1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-3a-methyl- cas no:42498-58-8

Name1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-3a-methyl-
CAS42498-58-8
Synonyms4-Cyclohexene-1,2-dicarboxylicanhydride, 1-methyl- (6CI); 1-Methyltetrahydrophthalic anhydride; ZZLA 0334
EINECS(EC#)255-853-3
Molecular FormulaC9H10 O3
Molecular Weight166.19

Safety

Moderately toxic by ingestion and skin contact. A skin and severe eye irritant.
Hazard Codes: Xn
Risk Statements: 61-36/38-43-51/53-62 
R61: May cause harm to the unborn child. 
R36/38: Irritating to eyes and skin. 
R43: May cause sensitization by skin contact. 
R51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R62: Risk of impaired fertility.
Safety Statements: 53-26-36/37-45-61 
S53: Avoid exposure - obtain special instructions before use. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37: Wear suitable protective clothing and gloves. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 3082 9/PG 3
WGK Germany: 3
F: 21

1.		skn-rbt 500 mg open MLD		UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 6/22 ,1966.
2.		eye-rbt 1 mg SEV		UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 6/22 ,1966.
3.		orl-rat LD50:2460 mg/kg		UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 6/22 ,1966.
4.		skn-rbt LD50:1590 mg/kg		UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 6/22 ,1966.