| Identification | More | [Name]
3-Methylsalicylic acid | [CAS]
83-40-9 | [Synonyms]
2-ANISIC ACID
2-METHOXYBENZOIC ACID
AKOS BBS-00003735
FEMA 3943
O-ANISIC ACID
O-METHOXYBENZOIC ACID
O-METHYLSALICYLIC ACID
RARECHEM AL BO 0025
2,3-Cresotic acid
2,3-cresoticacid
2,3-Cresotinic acid
2,3-cresotinicacid
2-hydroxy-3-methyl-benzoicaci
2-methylsalicylicacid
3-Methylsalycilic acid
3-MS
Acido 3-ossi-5-metil-benzoico
Acido ortocresotinico
acido3-ossi-5-metil-benzoico
acidoortocresotinico | [EINECS(EC#)]
209-447-8 | [Molecular Formula]
C8H8O3 | [MDL Number]
MFCD00002431 | [Molecular Weight]
152.15 | [MOL File]
83-40-9.mol |
| Chemical Properties | Back Directory | [Appearance]
White To Slightly Reddish Crystalline Solid | [Melting point ]
163-165 °C (lit.) | [Boiling point ]
234.6°C (rough estimate) | [density ]
1.2143 (rough estimate) | [vapor pressure ]
0.065-0.307Pa at 25℃ | [refractive index ]
1.4945 (estimate) | [storage temp. ]
Inert atmosphere,Room Temperature | [solubility ]
methanol: soluble5%, clear to slightly hazy (colorlessto faint brown) | [form ]
Fine Powder | [pka]
pK1:2.99 (25°C) | [color ]
Almost white | [PH]
2.8 (1.5g/l, H2O, 20℃) | [Water Solubility ]
1.5 g/L (20 ºC) | [Usage]
Toxicity is similar to salicylic acid. Used in manufacturing of dyes | [Detection Methods]
T,NMR | [Merck ]
14,2581 | [BRN ]
2086811 | [InChIKey]
WHSXTWFYRGOBGO-UHFFFAOYSA-N | [LogP]
2.79-2.86 | [CAS DataBase Reference]
83-40-9(CAS DataBase Reference) | [NIST Chemistry Reference]
Hydroxytoluic acid(83-40-9) | [EPA Substance Registry System]
83-40-9(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R22:Harmful if swallowed.
R37/38:Irritating to respiratory system and skin .
R41:Risk of serious damage to eyes. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/39:Wear suitable protective clothing and eye/face protection .
S22:Do not breathe dust . | [RIDADR ]
UN 2811 | [WGK Germany ]
3
| [RTECS ]
BZ4385000
| [TSCA ]
Yes | [HS Code ]
29182990 | [Toxicity]
LD50 oral in rat: 445mg/kg |
| Raw materials And Preparation Products | Back Directory | [Raw materials]
o-Cresol | [Preparation Products]
Chromeazurol B-->o-Anisic acid-->2-METHOXY-3-METHYLBENZOIC ACID-->NSC 46633-->2-Hydroxy-5-[[4-[(4-hydroxy-3-nitro-5-sodiosulfophenyl)azo]-5-methyl-2-methoxyphenyl]azo]-3-methylbenzoic acid sodium salt-->DIRECT ORANGE 1-->Mordant Violet 1-->5,5'-[4-(dimethylamino)benzylidene]bis(3-methylsalicylic) acid-->5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)[4-(dimethylamino)phenyl]methyl]-3-methylsalicylic acid-->5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)[4-[(4-tolyl)amino]phenyl]methyl]-3-methylsalicylic acid-->DIRECT ORANGE 6-->disodium 5-[[4'-[(1-amino-4-sulphonato-2-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]salicylate-->disodium 5-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-3-methylsalicylate-->5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid]-->5-[(3-Carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxy-3-methylbenzoic acid-->5-[(2-Chloro-4-nitrophenyl)[3-methyl-4-oxo-5-(sodiooxycarbonyl)-2,5-cyclohexadien-1-ylidene]methyl]-2-hydroxy-3-methylbenzoic acid sodium salt-->3-[(3-Carboxy-4-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-6-hydroxy-2,4-dimethylbenzoic acid-->C.I. Direct red 59 |
| Hazard Information | Back Directory | [Chemical Properties]
White To Slightly Reddish Crystalline Solid | [Uses]
3-Methylsalicylic acid is used in manufacture of dyes.
| [Uses]
analgesic, antiseptic | [Uses]
Toxicity is similar to salicylic acid. Used in manufacturing of dyes | [Definition]
ChEBI: A monohydroxybenzoic acid consisting of salicylic acid carrying a methyl group at the 3-position. | [Synthesis Reference(s)]
Synthesis, p. 758, 1984 DOI: 10.1055/s-1984-30960 | [General Description]
3-Methylsalicylic acid reacts with WOCl4 to yield tungsten(VI) oxo-salicylate complexes. | [Purification Methods]
Crystallise the acid from water. [Beilstein 10 H 220, 10 II 131, 10 III 505, 10 IV 601.] |
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