Identification | More | [Name]
3,5-Dichlorophenol | [CAS]
591-35-5 | [Synonyms]
3,5-DICHLOROPHENOL 3,5-dichloro-pheno 2,4-DICHLOROBENZOIC ACID PESTANAL 3,5 DICHLOROPHENOL PESTANAL, 250 MG 3,5-DICHLOROPHENOL, 1000MG, NEAT 3,5-Dichlorophenol,98+% Phenol, 3,5-dichloro- 3,5-DICHLOROPHENOL TYPICALLY 99% 3,5-DCP | [EINECS(EC#)]
209-714-9 | [Molecular Formula]
C6H4Cl2O | [MDL Number]
MFCD00002259 | [Molecular Weight]
163 | [MOL File]
591-35-5.mol |
Chemical Properties | Back Directory | [Appearance]
yellow to light brown crystals, crystalline powder | [Melting point ]
65-68 °C (lit.) | [Boiling point ]
233 °C (lit.) | [density ]
1.3446 (rough estimate) | [refractive index ]
1.4430 (estimate) | [Fp ]
233°C | [storage temp. ]
0-6°C | [form ]
Crystals, Crystalline Powder or Crystalline Mass | [pka]
pKa 8.48(H2O t=25 I=0.025) (Uncertain) | [color ]
Yellow to light brown | [Water Solubility ]
Slightly soluble in water. Very soluble in ethanol, ethyl ether and petroleum ether. | [BRN ]
1906458 | [CAS DataBase Reference]
591-35-5(CAS DataBase Reference) | [NIST Chemistry Reference]
Phenol, 3,5-dichloro-(591-35-5) | [EPA Substance Registry System]
591-35-5(EPA Substance) |
Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R22:Harmful if swallowed. R36/38:Irritating to eyes and skin . R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) . S37/39:Wear suitable gloves and eye/face protection . | [RIDADR ]
UN 2020 6.1/PG 3
| [WGK Germany ]
3
| [RTECS ]
SK8820000
| [Hazard Note ]
Harmful | [TSCA ]
Yes | [HazardClass ]
6.1 | [PackingGroup ]
III | [HS Code ]
29081990 | [Hazardous Substances Data]
591-35-5(Hazardous Substances Data) |
Raw materials And Preparation Products | Back Directory | [Raw materials]
2',3'-cyclic UMP-->GAMMA-PENTACHLOROCYCLOHEXENE-->3,5-Dichloroiodobenzene-->3-chloro-5-methoxyphenol-->3,5-Dichloroanisole-->3,5-DICHLOROPHENYLBORONIC ACID, PINACOL ESTER-->3,5-Dichlorophenylboronic acid-->Phenol-->3,4-Dichlorophenol-->5-Chloro-1,3-dimethoxybenzene-->Sodium Methoxide-->Sulfamic acid | [Preparation Products]
3-(3,5-DICHLOROPHENOXY)BENZALDEHYDE-->3,5-dichloro-1,4-aminophenol-->3,5-Dichlorofluorobenzene |
Hazard Information | Back Directory | [General Description]
Prisms (from petroleum ether) or pink crystals. | [Reactivity Profile]
3,5-DICHLOROPHENOL(591-35-5) is incompatible with acid chlorides, acid anhydrides and oxidizing agents. | [Air & Water Reactions]
Insoluble in water. | [Fire Hazard]
Flash point data for this chemical are not available. 3,5-DICHLOROPHENOL is probably combustible. | [Chemical Properties]
yellow to light brown crystals, crystalline powder | [Uses]
3,5-Dichlorophenol is used as pharmaceutical intermediate. | [Application]
3,5-Dichlorophenol is a metabolite of the pesticides polychlorinated phenols and benzene hexachloride. found in chlorinated waste water; Used as a research chemical. | [Definition]
ChEBI: A dichlorophenol in which the two chloro substituents are located at positions 3 and 5. | [Preparation]
Catalytic hydrodechlorination of polychlorophenols in organic or aqueous media with a palladium catalyst was used to obtain 3-chlorophenol and 3,5-dichlorophenol. | [Synthesis Reference(s)]
Tetrahedron Letters, 25, p. 4565, 1984 DOI: 10.1016/S0040-4039(01)81494-5 | [Purification Methods]
Crystallise 3,5-dichlorophenol from pet ether/*benzene mixture and/or distil it. [Beilstein 6 IV 957.] |
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