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4'-Hydroxyacetophenone, a natural product isolated and purified from the herbs of Rhodiola crenulata, is a potent xanthine oxidase inhibitor.
Synonyms: P-hydroxyacetophenone
4.5
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Morningstar, John Tanner ;
Abstract: Molecular electronics is a continuously growing field which attempts to solve the problem that their solid-state counterparts encounter with continuing to grow smaller while maintaining the same functionality. Although successful molecular electronics have been created, their level of functionality does not yet match solid states. Furthering the field involves elucidating the mechanism of rectification and continuing to grow the library of compounds available. To accomplish this, we have successfully synthesized twenty new alkylsilanes which exhibit rectification behavior. We were able to draw several conclusions about promising scaffolds through examination of terminal groups with electron withdrawing and donating substituents, nitrogen heterocycles, and sterically hindered substituents. Additionally, our compounds were subjected to doping of the selfassembled monolayer devices which we found to benefit rectification. It was hypothesized that adding electron withdrawing groups, large and soft atoms, and groups with non-bonding electrons would also boost rectification. We obtained compounds with R ratios as high as 8500. This value is the highest our group has achieved to date. Biopolymers are commonly used as drug delivery scaffolds due to their safety and resistance to environmental stimuli. Alginate is one such polymer which has garnered increased attention as of late. To improve the properties of alginate for this purpose, we have developed a method to quantitatively modify the backbone of alginate with small molecules via sodium periodate oxidation and reductive amination of the corresponding oxidized product. Examining the difference in modified alginate with a small unsubstituted aromatic ring as well as an aromatic ketone, ester, and carboxylic acid allowed us to determine which molecules are beneficial to environmental pH sensitivity. xiv We successfully synthesized three new quantitatively modified alginates and examined their pH sensitivity using hydrogel beading studies. Each new compound shows distinct pH response; however, our expectations were met as our original benzoic acid modified product still holds the most desirable degradation profile.
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CAS No. : | 99-93-4 |
Formula : | C8H8O2 |
M.W : | 136.15 |
SMILES Code : | CC(C1=CC=C(O)C=C1)=O |
Synonyms : |
P-hydroxyacetophenone
|
MDL No. : | MFCD00002359 |
InChI Key : | TXFPEBPIARQUIG-UHFFFAOYSA-N |
Pubchem ID : | 7469 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
12.25 g (94%) | With N-ethyl-N,N-diisopropylamine; In dichloromethane; | EXAMPLE 1 2-(4-Hydroxyphenyl)-6-(4-morpholinyl)-4H-pyran-4-one (Compound 1) 4'-Hydroxyacetophenone (10 g, 73.4 mmole) was suspended in 200 ml dichloromethane in a 500 ml one neck round bottom flask under nitrogen at 0 C. The suspension was treated with diisopropylethylamine (14.7 ml, 84.5 mmole) followed by acetyl chloride (6.0 ml, 84.5 mmole) in 1*50 ml dichloromethane slowly dropwise. The reaction mixture was stirred 30 minutes at 0 C. and then for 1 hour at room temperature. The mixture was washed with 1*100 ml 10% hydrochloric acid and the organics were dried over magnesium sulfate. The dried organics were concentrated in vacuo to a yellow oil. The oil was distilled via kugelrohr (high vacuum, 165 C.) to give 12.25 g (94%) of 4'-acetoxy-acetophenone as a white solid. |
Clean and dry 250-ml two neck RB flask was takenand fitted with condenser and addition funnel. About.5 mol of 4-hydroxyacetophenone was taken and 200 mlof chloroform was added to it with stirring. The reactionmixture was cooled at 5-10C and .5 mol of acetyl chloridewas added dropwise to the reaction mixture. Stirringwas continued for another 15 min and .5 mol of potassiumcarbonate was slowly added. Reaction was continuedfor another 4 h and monitored using TLC. Thereaction mass was transferred into 1-l beaker and washedtwice with water (2 × 250 ml). The chloroform layer wasseparated and washed with 10% NaOH solution (2 ×250 ml). The chloroform layer formed was separated and dried with anhydrous sodium sulphate. The chloroformlayer was filtered and concentrated under reduced pressureusing rotary vacuum, cooled and hexane was addedto it. Solid was precipitated which is filtered and the productwas air dried (Figure 2(a)). | ||
1660 g | With sodium carbonate; In ethyl acetate; at 20 - 30℃; for 8h;Large scale; | In a 10L reaction flask, 4080 g of ethyl acetate, 1360 g of p-hydroxyacetophenone, and 1272 g of sodium carbonate were sequentially added, and stirring was started, and 1335 g of acetyl chloride was added dropwise at a controlled temperature of 20-30 C.After the dropwise addition was completed, the mixture was kept under stirring for 8 hours, and then filtered. The filtrate was washed and separated with 3022 g of an 8% aqueous sodium hydrogen carbonate solution. The organic layer was recovered by distillation, and 1380 g of hexane was added to the concentrated residue. After the cake was dried, 1660 g of acetoxyacetophenone was obtained, and the HPLC purity was> 99.9%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
EXAMPLE 6 The following example illustrates the reaction of 4-hydroxyacetophenone (4-HAP) with acetic anhydride to form 4-acetoxyacetophenone (4-AAP). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Syntheses of Exemplified Compounds (see Tables for Compound Characterization) Entry 1: 4-(3-N-Methylcarbamoylphenoxy)aniline was prepared according to Method A13. According to Method C3, <strong>[5369-19-7]3-tert-butylaniline</strong> was reacted with bis(trichloromethyl)carbonate followed by 4-(3-N-Methylcarbamoylphenoxy)aniline to afford the urea. Entry 2: 4-Fluoro-1-nitrobenzene and p-hydroxyacetophenone were reacted according to Method A13, Step 1 to afford the 4-(4-acetylphenoxy)-1-nitrobenzene. | ||
Syntheses of Exemplified Compounds (See Tables for Compound Characterization) Entry 1: 4-(3-N-Methylcarbamoylphenoxy)aniline was prepared according to Method A13. According to Method C3, <strong>[5369-19-7]3-tert-butylaniline</strong> was reacted with bis(trichloromethyl)carbonate followed by 4-(3-N-Methylcarbamoylphenoxy)aniline to afford the urea. Entry 2: 4-Fluoro-1-nitrobenzene and p-hydroxyacetophenone were reacted according to Method A13, Step 1 to afford the 4-(4-acetylphenoxy)-1-nitrobenzene. | ||
SYNTHESES OF EXEMPLIFIED COMPOUNDS (See Tables for Compound Characterization) Entry 1: 4-(3-N-Methylcarbamoylphenoxy)aniline was prepared according to Method A13. According to Method C3, <strong>[5369-19-7]3-tert-butylaniline</strong> was reacted with bis(trichloromethyl)carbonate followed by 4-(3-N-Methylcarbamoylphenoxy)aniline to afford the urea. Entry 2: 4-Fluoro-1-nitrobenzene and p-hydroxyacetophenone were reacted according to Method A13, Step 1 to afford the 4-(4-acetylphenoxy)-1-nitrobenzene. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
The reaction proceeded with 99% conversion based on phenol and 95% selectivity to 4-hydroxyacetophenone. The following example illustrates the reaction of 4-hydroxyacetophenone (4-HAP) with acetic anhydride to form 4-acetoxyacetophenone (4-AAP). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogen bromide; acetic anhydride; acetic acid; | EXAMPLE VII Seventeen and one-tenth (17.1) g (0.096 mole) of p-acetoxyacetophenone, 17.1 g (0.17 mole) of acetic anhydride, 65 g (1.08 moles) of acetic acid, 0.51 g (0.002 mole) of Co(OAc)2.4H2 O, 0.50 g (0.002 mole) of Mn(OAc)2.4H2 O, and 0.68 g (0.004 mole) of 48% HBr were combined in a glass reactor and heated to 100 C. Air was introduced at a rate of 50 ml/min. After 164 hours of reaction time, the oxidation ceased. Analysis of the reaction solution showed 3.4 wt % p-acetoxyacetophenone and 2.7 wt % p-hydroxyacetophenone. In addition, p-acetoxybenzoic acid and p-hydroxybenzoic acid were present in substantial amounts. An additional 30 g (0.294 mole) of acetic anhydride were added and the oxidation reaction continued. Final reaction time was 240 hours. Analysis of the final reaction mixture showed 41 mole % yield of p-acetoxybenzoic acid, 3.9 mole % yield of p-hydroxybenzoic acid, and 1.0 mole % yield unreacted p-acetoxyacetophenone. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With acetic anhydride; In palladium-carbon; | EXAMPLE 1 This example illustrates the preparation of 4-acetoxystyrene oxide from 4-acetoxystyrene under the invention, the latter compound having been prepared from 4-hydroxyacetophenone (4-HAP) as an intermediate. A solution of 136.2g (1.0 mol) of 4-hydroxyacetophenone and 400 ml of acetic anhydride was heated at reflux for 3 h under a nitrogen atmosphere. The acetic acid and acetic anhydride was distilled overhead in vacuo (30-41C, 2.6 mm Hg). The remaining oil was then distilled in vacuo (132-134C, 2.0 mm Hg) to yield 169.7g (95.2%) of white crystals identified as 4 -acetoxyacetophenone. 4-Acetoxyacetophenone (100.0 g, 0.56 mol) was hydrogenated in a Fluidtron Reactor with 5% Pd/C (3.94 g) at 100 psig. The hydrogenation was carried out at 60C for 5.25 hours. The reactor was depressurized and the catalyst removed via filtration to afford 1-(4--acetoxyphenyl)ethanol as an oil (93.6 g). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86% | General procedure: To a stirred suspension of 4-hydroxy benzaldehyde/4-hydroxy acetophenone (1 mmol) in dimethyl sulfoxide (DMSO) (5 mL) at 5-10 C was added potassium t-butoxide (1.2 mmol) was added in small portions in the period of 10 min. After stirring of 30 min, substituted benzyl/aryl halide (1 mmol) was added and then stirring was continued at room temperature for 4-5 h. The reaction mixture was quenched with ice cold water (5 mL) and extracted with ethyl acetate (3 × 5 mL), the combined organic layers were washed with water (3 × 5 mL) dried over Na2SO4 and concentrated under reduced pressure to obtain the crude product which was purified by column chromatography by using silica gel (60-120 mesh) and ethyl acetate: Hexane (4:94) as eluent to give the compounds (2a-f and 14a-f). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70.5% | In ethanol;Reflux; | General procedure: solutionof acid hydrazide (0.01 mol) and appropriate benzaldehyde/acetophenone (0.01 mol) in ethanol was refluxed for 5-6 h. The precipitated title compounds were then filtered off, washed with water and recrystallized from ethanol. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With sodium acetate; acetic acid; In ethanol; at 25℃; for 2h;Reflux; | To a solution of l-(4-hydroxyphenyl)ethanone (5.98 g, 43.9 mmol) in EtOH (100 ml) was added 0-(4-(trifluoromethyl)benzyl)hydroxylamine hydrochloride (10 g, 43.9 mmol) followed by addition of acetic acid (7.55 ml, 132 mmol) and sodium acetate (7.21 g, 88 mmol) at 25 C. The reaction mixture was refluxed for 2 hr. The reaction mixture was cooled to room temperature and solvent was evaporated under vacuum. The residue was poured into water. White solid separated was filtered, washed with water and dried over P205 under vacuum to yield 12.0 g, (88 %) of product as white solid. 1H NMR: CDC13,? 2.25 (s, 3H), 5.22 (s, 2H), 6.76-6.79 (m, 2H), 7.49-7.53 (m, 4H), 7.59 (d, /.= 8.4 Hz, 2H). |
88% | With sodium acetate; acetic acid; In ethanol; for 2h;Reflux; | Step 3: Preparation of, 1-(4-hydroxyphenyl)ethanone O-(4-(trifluoromethyl)benzyl)oxime To a solution of 1-(4-hydroxyphenyl)ethanone (5.98 g, 43.9 mmol) in EtOH (100 ml) was added <strong>[321574-29-2]O-(4-(trifluoromethyl)benzyl)hydroxylamine hydrochloride</strong> (10 g, 43.9 mmol) followed by acetic acid (7.55 ml, 132 mmol) and sodium acetate (7.21 g, 88 mmol) at 25 C. and the reaction mixture was refluxed for 2 hr. The reaction mixture was cooled to room temperature and solvent was evaporated under vacuum. The residue was poured into water. White solid separated was filtered, washed with water and dried over P2O5 under vacuum to yield 12.0 g (88%) of product as white solid. 1H NMR: CDCl3, delta 2.25 (s, 3H), 5.22 (s, 2H), 6.76-6.79 (m, 2H), 7.49-7.53 (m, 4H), 7.59 (d, J=8.4 Hz, 2H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
13% | With potassium carbonate; In N,N-dimethyl-formamide; at 140℃; for 1h;Microwave irradiation; | A mixture of 1-(4-hydroxyphenyl)ethanone (283 mg, 2.08 mmol), <strong>[1120-95-2]3-<strong>[1120-95-2]chloropyridazine</strong></strong> (238 mg, 2.08 mmol) and potassium carbonate (574 mg, 4.16 mmol) in DMF (5 mL) is irradiated in a microwave reactor (Biotage Initiator) for 60 mm. at 140 oC. After cooling, the reaction mixture is filtered through Celite pad and the filter cake is washed with EtOAc. The filtrate and washings are washed with water and brine, dried over sodium sulfate, filtered and concentrated in vacuo. The residue is purified by column chromatography (Biotage) on silica gel (25 g) eluting with 10-80percent ethyl acetate in DCM to give the the titled compound (58 mg, 13percent yield) as a white solid.1HNMR (270 MHz, DMSO-d6): delta 9.07 (dd, J = 4.6, 1.3 Hz, 1H), 8.06 (d, J = 8.5 Hz, 2H), 7.84 (dd, J = 9.2, 4.6 Hz, 1H), 7.59-7.55 (m, 1H), 7.36 (d, J = 8.5 Hz, 2H), 2.60 (s, 3H).MS (ESI) mlz: 215.1 (M+H)÷. |
13% | With potassium carbonate; In d7-N,N-dimethylformamide; at 140℃; for 1h;Microwave irradiation; | A mixture of i-(4-hydroxyphenyl)ethanone (283 mg, 2.08 mmol), <strong>[1120-95-2]3-<strong>[1120-95-2]chloropyridazine</strong></strong> (238 mg, 2.08 mmol) and potassium carbonate (574 mg, 4.16 mmol) in DMF (5 mL) was iffadiated in a microwave reactor (Biotage Initiator) for 60 mm. at 140°C. After cooling, the reaction mixture was filtered through Celite pad and the filtrate was washed with EtOAc. The filtrate was diluted with water and the organic layer was separated. After the extraction of the aqueous layer with EtOAc, the combined organic layers were washed with brine, dried over sodium sulfate, filtered and the filtrate was concentrated in vacuo. The residue was purified by column chromatography (Biotage) on silica gel (25 g) eluting with 10-80percent EtOAc in DCM to give the titled compound (58 mg, 13percent yield) as a white solid.1HNMR (270 MHz, DMSO-d6): delta 9.07 (dd, J = 4.6, 1.3 Hz, 1H), 8.06 (d, J = 8.5 Hz, 2H), 7.84 (dd, J = 9.2, 4.6 Hz, 1H), 7.59-7.55 (m, 1H), 7.36 (d, J = 8.5 Hz, 2H), 2.60 (s, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With potassium carbonate; In N,N-dimethyl-formamide; at 100℃; for 6h; | General procedure for the synthesis of ClA mixture of 4?-hydroxyacetophenone (5.00 g, 36.7 mmol), <strong>[1480-65-5]5-chloro-2-fluoropyridine</strong> (5.79 g, 44.0 mmol) and K2C03 (10.1 g, 73.4 mmol) in DMF (150 mL) was stirred at 100 °C for 6 hours. After cooling to room temperature, the reaction mixture was diluted with EtOAc (200 mL), then filtered and the filtrate was washed with brine (150 mL x3), dried over anhydrous Na2SO4 and concentrated under reduced pressure to afford a residue. The residue was washed with PE/ EtOAc = 20/1(40 mL) to afford Cl. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
33.8% | With potassium hydroxide; In ethanol; for 10h;Cooling with ice; | Reaction step <strong>[186534-02-1]3,5,6-trimethylpyrazine-2-carbaldehyde</strong> (2.0 g, 13.3 mmol) was sequentially added to a 100 mL three-necked flask,4-hydroxyacetophenone (1.5 g, 11.0 mmol),Anhydrous ethanol 10mL,8.0 mL of a 20% KOH solution was slowly added dropwise under ice-cooling,Ice bath under the reaction 10h,TLC (petroleum ether - ethyl acetate 2: 1) detection reaction is almost complete,The reaction solution was poured into 100 mL of ice water,The pH was adjusted to 6-7 with 10% dilute hydrochloric acid,A yellow precipitate precipitated.filter,The filter cake was recrystallized from absolute ethanol,Dried to give 1.0 g of yellow crystals,The yield was 33.8% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
73% | General procedure: To the solution of (0.05 mol, 6.8 g) of 1-(4-Hydroxy-phenyl)-ethanone (1) in 30 ml of methanol on an ice bath, freshly prepared2 N methanolic NaOH solution (50 ml) was added and stirred for20 min. To this 0.05 mol of appropriate aldehyde (2a?l) was addedand the reaction mixture was stirred at room temperature for20?24 h. The reaction mixture was cooled in an ice bath andneutralized with dilute hydrochloric acid. The obtained precipitatewas separated by filtration and washed with distilled water to givethe crude product. The product (3a?o) so obtained was recrystallizedfrom 75percent methanol. The purity of the products was checkedon TLC by using a mixture of ethyl acetate and hexane as mobilephase. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79% | In ethanol; at 20℃; | Hydroxylamine HCl (33 mg, 0.26 mmol) was added at room temperature to a solution of 4-hydroxyacetophenone (30 mg, 0.22 mmol) in EtOH (1 mL). The reaction mixture was stirred on TLC until all the starting material was consumed and quenched with H2O.The resulting mixture was diluted with EtOA and the organic phase was washed with H2O and brine, dried over MgSO4 and concentrated in vacuo.The residue was purified via flash column chromatography on silica gel (EtOAc: hexane = 1: 6 to 1: 5) to give a colorless liquid36 mg (79%) of Compound 14a |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
49.44% | With potassium carbonate; In acetone; for 4h;Reflux; | General procedure: To a solution of various substituted phenols (1 mmol) in dry acetone (30 mL) K2CO3 (1 mmol)and compound 3 or 4 (1 mmol) were added. After being stirred for 4 h at reflux temperature, thereaction mixture was cooled, filtered, and concentrated under vacuum. Then the residue was dilutedwith 30 mL ethyl acetate and sequentially washed with 30 mL 1 M HCl, aq. NaHCO3 solution andbrine in order. The organic layer was dried over MgSO4 and concentrated in vacuo. Purification of theresidue by chromatography on silica gel furnished target compounds. 1H-NMR, 13C-NMR and massspectroscopy (MS) of compounds 5a-m and 6a-m are shown in Supplementary Materials. |
Tags: 99-93-4 synthesis path| 99-93-4 SDS| 99-93-4 COA| 99-93-4 purity| 99-93-4 application| 99-93-4 NMR| 99-93-4 COA| 99-93-4 structure
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P370 + P378 | In case of fire: |
P370 + P380 | In case of fire: Evacuate area. |
P370 + P380 + P375 | In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion. |
P371 + P380 + P375 | In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion. |
Storage | |
Code | Phrase |
P401 | |
P402 | Store in a dry place. |
P403 | Store in a well-ventilated place. |
P404 | Store in a closed container. |
P405 | Store locked up. |
P406 | Store in corrosive resistant/ container with a resistant inner liner. |
P407 | Maintain air gap between stacks/pallets. |
P410 | Protect from sunlight. |
P411 | |
P412 | Do not expose to temperatures exceeding 50 oC/ 122 oF. |
P413 | |
P420 | Store away from other materials. |
P422 | |
P402 + P404 | Store in a dry place. Store in a closed container. |
P403 + P233 | Store in a well-ventilated place. Keep container tightly closed. |
P403 + P235 | Store in a well-ventilated place. Keep cool. |
P410 + P403 | Protect from sunlight. Store in a well-ventilated place. |
P410 + P412 | Protect from sunlight. Do not expose to temperatures exceeding 50 oC/122oF. |
P411 + P235 | Keep cool. |
Disposal | |
Code | Phrase |
P501 | Dispose of contents/container to ... |
P502 | Refer to manufacturer/supplier for information on recovery/recycling |
Physical hazards | |
Code | Phrase |
H200 | Unstable explosive |
H201 | Explosive; mass explosion hazard |
H202 | Explosive; severe projection hazard |
H203 | Explosive; fire, blast or projection hazard |
H204 | Fire or projection hazard |
H205 | May mass explode in fire |
H220 | Extremely flammable gas |
H221 | Flammable gas |
H222 | Extremely flammable aerosol |
H223 | Flammable aerosol |
H224 | Extremely flammable liquid and vapour |
H225 | Highly flammable liquid and vapour |
H226 | Flammable liquid and vapour |
H227 | Combustible liquid |
H228 | Flammable solid |
H229 | Pressurized container: may burst if heated |
H230 | May react explosively even in the absence of air |
H231 | May react explosively even in the absence of air at elevated pressure and/or temperature |
H240 | Heating may cause an explosion |
H241 | Heating may cause a fire or explosion |
H242 | Heating may cause a fire |
H250 | Catches fire spontaneously if exposed to air |
H251 | Self-heating; may catch fire |
H252 | Self-heating in large quantities; may catch fire |
H260 | In contact with water releases flammable gases which may ignite spontaneously |
H261 | In contact with water releases flammable gas |
H270 | May cause or intensify fire; oxidizer |
H271 | May cause fire or explosion; strong oxidizer |
H272 | May intensify fire; oxidizer |
H280 | Contains gas under pressure; may explode if heated |
H281 | Contains refrigerated gas; may cause cryogenic burns or injury |
H290 | May be corrosive to metals |
Health hazards | |
Code | Phrase |
H300 | Fatal if swallowed |
H301 | Toxic if swallowed |
H302 | Harmful if swallowed |
H303 | May be harmful if swallowed |
H304 | May be fatal if swallowed and enters airways |
H305 | May be harmful if swallowed and enters airways |
H310 | Fatal in contact with skin |
H311 | Toxic in contact with skin |
H312 | Harmful in contact with skin |
H313 | May be harmful in contact with skin |
H314 | Causes severe skin burns and eye damage |
H315 | Causes skin irritation |
H316 | Causes mild skin irritation |
H317 | May cause an allergic skin reaction |
H318 | Causes serious eye damage |
H319 | Causes serious eye irritation |
H320 | Causes eye irritation |
H330 | Fatal if inhaled |
H331 | Toxic if inhaled |
H332 | Harmful if inhaled |
H333 | May be harmful if inhaled |
H334 | May cause allergy or asthma symptoms or breathing difficulties if inhaled |
H335 | May cause respiratory irritation |
H336 | May cause drowsiness or dizziness |
H340 | May cause genetic defects |
H341 | Suspected of causing genetic defects |
H350 | May cause cancer |
H351 | Suspected of causing cancer |
H360 | May damage fertility or the unborn child |
H361 | Suspected of damaging fertility or the unborn child |
H361d | Suspected of damaging the unborn child |
H362 | May cause harm to breast-fed children |
H370 | Causes damage to organs |
H371 | May cause damage to organs |
H372 | Causes damage to organs through prolonged or repeated exposure |
H373 | May cause damage to organs through prolonged or repeated exposure |
Environmental hazards | |
Code | Phrase |
H400 | Very toxic to aquatic life |
H401 | Toxic to aquatic life |
H402 | Harmful to aquatic life |
H410 | Very toxic to aquatic life with long-lasting effects |
H411 | Toxic to aquatic life with long-lasting effects |
H412 | Harmful to aquatic life with long-lasting effects |
H413 | May cause long-lasting harmful effects to aquatic life |
H420 | Harms public health and the environment by destroying ozone in the upper atmosphere |
Sorry,this product has been discontinued.
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