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Cas Database |
| Name |
4,5-Dichloropyrocatechol |
EINECS | N/A |
| CAS No. | 3428-24-8 | Density | 1.624g/cm3 |
| PSA | 40.46000 | LogP | 2.40460 |
| Solubility | N/A | Melting Point |
110-115 °C(lit.) |
| Formula | C6H4 Cl2 O2 | Boiling Point | 302.2°Cat760mmHg |
| Molecular Weight | 179.003 | Flash Point | 136.6°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Poison by intravenous route. Mutation data reported. When heated to decomposition it emits toxic fumes of Cl−. | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
|
| Synonyms |
Pyrocatechol,4,5-dichloro- (7CI,8CI); 4,5-Dichloro-1,2-benzenediol;4,5-Dichloro-1,2-dihydroxybenzene; 4,5-Dichlorocatechol; 4,5-Dichloropyrocatechol |
Article Data | 14 |
4,5-Dichloropyrocatechol Chemical Properties
Molecular Structure of 4,5-Dichloropyrocatechol (CAS NO.3428-24-8):
.png)
IUPAC Name: 4,5-dichlorobenzene-1,2-diol
Empirical Formula: C6H4Cl2O2
Molecular Weight: 179.0008
Surface Tension: 61.8 dyne/cm
Density: 1.624 g/cm3
Flash Point: 136.6 °C
Enthalpy of Vaporization: 56.41 kJ/mol
Boiling Point: 302.2 °C at 760 mmHg
Vapour Pressure: 0.000561 mmHg at 25°C
Index of Refraction: 1.642
mp: 110-115 °C(lit.)
Classification Code: Mutation data
4,5-Dichloropyrocatechol Toxicity Data With Reference
| 1. | mmo-smc 75 mg/L | MUREAV Mutation Research. 119 (1983),273. | ||
| 2. | ivn-mus LD50:42 mg/kg | CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#07864 . |
4,5-Dichloropyrocatechol Safety Profile
Poison by intravenous route. Mutation data reported. When heated to decomposition it emits toxic fumes of Cl−.
Hazard Codes 
Xi
Risk Statements 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
4,5-Dichloropyrocatechol Specification
4,5-Dichloropyrocatechol ,its CAS number is 3428-24-8,it can be called 4,5-dichlorobenzene-1,2-diol ; 1,2-benzenediol, 4,5-dichloro- ; catechol, 4,5-dichloro- ; Pyrocatechol, 4,5-dichloro- .
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