| Identification | More | [Name]
2,5-Dichlorophenol | [CAS]
583-78-8 | [Synonyms]
2,5-DCP
2,5-DICHLORO-1-HYDROXY-BENZENE
2,5-DICHLOROPHENOL
6-HYDROXY-1,4-DICHLOROBENZENE
DICHLOROPHENOL-2,5
2,5-dichloro-pheno
Dichlorophenol,98%
2,5-DICHLOROPHENOL PESTANAL
2,5-Dichlorophenol,98%
Phenol, 2,5-dichloro-
2,5-Dichlorphenol
1-Hydroxy-2,5-dichlorobenzene | [EINECS(EC#)]
209-520-4 | [Molecular Formula]
C6H4Cl2O | [MDL Number]
MFCD00002174 | [Molecular Weight]
163 | [MOL File]
583-78-8.mol |
| Chemical Properties | Back Directory | [Appearance]
white to light brown crystals | [Melting point ]
54-57 °C (lit.) | [Boiling point ]
211 °C (lit.) | [density ]
1.3446 (rough estimate) | [refractive index ]
1.4430 (estimate) | [Fp ]
100 °C
| [storage temp. ]
0-6°C | [solubility ]
2000mg/l (experimental) | [form ]
Crystals | [pka]
7.53±0.10(Predicted) | [color ]
White to light brown | [Water Solubility ]
3 g/L (20 ºC) | [BRN ]
1907692 | [Henry's Law Constant]
1.6×100 mol/(m3Pa) at 25℃, HSDB (2015) | [InChI]
1S/C6H4Cl2O/c7-4-1-2-5(8)6(9)3-4/h1-3,9H | [InChIKey]
RANCECPPZPIPNO-UHFFFAOYSA-N | [SMILES]
Oc1cc(Cl)ccc1Cl | [LogP]
3.06 at 20℃ | [CAS DataBase Reference]
583-78-8(CAS DataBase Reference) | [NIST Chemistry Reference]
Phenol, 2,5-dichloro-(583-78-8) | [EPA Substance Registry System]
583-78-8(EPA Substance) |
| Safety Data | Back Directory | [Symbol(GHS) ]
 
GHS07,GHS09 | [Signal word ]
Warning | [Hazard statements ]
H302-H315-H319-H411 | [Precautionary statements ]
P273-P301+P312+P330-P302+P352-P305+P351+P338 | [Hazard Codes ]
C,N,Xn | [Risk Statements ]
R22:Harmful if swallowed.
R34:Causes burns.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R36/38:Irritating to eyes and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S37/39:Wear suitable gloves and eye/face protection . | [RIDADR ]
UN 2020 6.1/PG 3
| [WGK Germany ]
2
| [RTECS ]
SK8600000
| [TSCA ]
Yes | [REACH Registrations]
Active | [HazardClass ]
6.1 | [PackingGroup ]
III | [HS Code ]
29081000 | [Storage Class]
6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects | [Hazard Classifications]
Acute Tox. 4 Oral
Aquatic Chronic 2
Eye Irrit. 2
Skin Irrit. 2 | [Hazardous Substances Data]
583-78-8(Hazardous Substances Data) | [Toxicity]
LD50 orally in Rabbit: 580 mg/kg |
| Raw materials And Preparation Products | Back Directory | [Raw materials]
Sodium nitrate-->2,4-Dichlorophenol-->2,5-Dichloroaniline-->Nitrous acid-->Sodium 2,4,5-trichlorobenzenesulphonate-->Diphosphate-->3,4-Dichloroanisole-->2,5-Dichloroanisole-->2,4-Dichloroanisole-->2-Bromo-1,4-dichlorobenzene-->3,4-Dichlorophenol-->3-Chlorophenol-->3,7-Dichlorodibenzofuran | [Preparation Products]
Dicamba-->3,6-Dichloro-2-hydroxy benzoic acid-->4-Bromo-2,5-dichlorophenol-->3,5-Dichlorophenol-->2,4,5-Trichlorophenoxyacetic acid-->2,3,4,6-Tetrachlorophenol-->3,6-Dichlorocatechol |
| Hazard Information | Back Directory | [General Description]
Prisms (from benzene, petroleum ether) or white crystals. Odor threshold 30 μg/L at 68-72°F; 33 μg/L at 86°F. Taste threshold 0.5 μg/L. | [Reactivity Profile]
2,5-DICHLOROPHENOL(583-78-8) 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. 2,5-DICHLOROPHENOL is probably combustible. | [Chemical Properties]
white to light brown crystals | [Uses]
2,5-Dichlorophenol is an intermediates in the manufacture of more complex chemical compounds such as fungicides. | [Definition]
ChEBI: A dichlorophenol with the chloro substituents at positions 2 and 5. | [Synthesis Reference(s)]
Journal of the American Chemical Society, 74, p. 3890, 1952 DOI: 10.1021/ja01135a052 | [Purification Methods]
Crystallise it from ligroin and sublime it in a vacuum or distil it. [Beilstein 6 IV 942.] |
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