1,4-Benzenediol,2,3,5,6-tetrachloro- cas no:87-87-6

Name1,4-Benzenediol,2,3,5,6-tetrachloro-
CAS87-87-6
SynonymsHydroquinone,tetrachloro- (6CI,7CI,8CI); 2,3,5,6-Tetrachloro-1,4-benzenediol;2,3,5,6-Tetrachloro-1,4-dihydroxybenzene; 2,3,5,6-Tetrachlorohydroquinone;Dihydro-p-chloranil; NSC 100888; NSC 4858; Nordrosophilin A;Perchlorohydroquinone; Tetrachloro-1,4-benzenediol;Tetrachloro-1,4-hydroquinone; Tetrachloro-p-benzohydroquinone;Tetrachloro-p-hydroquinone; Tetrachlorobenzoquinol
EINECS(EC#)201-779-1
Molecular FormulaC6H2 Cl4 O2
Molecular Weight247.88

Appearancetan-coloured or yellowish powder
refractive index1.661

Hazard Xn: Harmful;
Risk 22-41
Safety

Safety Information of Tetrachlorohydroquinone (CAS NO.87-87-6):
Hazard Codes: Xn 
Risk Statements: 22-41
R22:Harmful if swallowed
R41:Risk of serious damage to the eyes
Safety Statements: 26-36/37/39-39
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
S39:Wear eye / face protection
RTECS: MX7700000
Poison by ingestion and intraperitoneal routes. Mutation data reported. When heated to decomposition it emits toxic fumes of Cl⁻.

1.		dnd-omi 100 µmol/L		MUREAV    Mutation Research. 145 (1985),71.
2.		dnd-mam:lym 50 mmol/L		MUREAV    Mutation Research. 145 (1985),71.
3.		orl-mus LD50:368 mg/kg		TECSDY    Toxicological and Environmental Chemistry. 11 (1986),37.
4.		ipr-mus LD50:25 mg/kg		NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .