3A-METHYL-3A,4,7,7A-TETRAHYDROISOBENZOFURAN-1,3-DIONE

Modify Date: 2024-04-05 10:11:38

3A-METHYL-3A,4,7,7A-TETRAHYDROISOBENZOFURAN-1,3-DIONE Structure
3A-METHYL-3A,4,7,7A-TETRAHYDROISOBENZOFURAN-1,3-DIONE structure
Common Name 3A-METHYL-3A,4,7,7A-TETRAHYDROISOBENZOFURAN-1,3-DIONE
CAS Number 42498-58-8 Molecular Weight 166.17400
Density 1.251g/cm3 Boiling Point 292.4ºC at 760mmHg
Molecular Formula C9H10O3 Melting Point N/A
MSDS N/A Flash Point 136.1ºC

 Names

Name 7a-methyl-4,7-dihydro-3aH-2-benzofuran-1,3-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.251g/cm3
Boiling Point 292.4ºC at 760mmHg
Molecular Formula C9H10O3
Molecular Weight 166.17400
Flash Point 136.1ºC
Exact Mass 166.06300
PSA 43.37000
LogP 1.04230

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KC9275000
CHEMICAL NAME :
Epoxy hardener zzla-0334
CAS REGISTRY NUMBER :
42498-58-8
LAST UPDATED :
199409
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C9-H10-O3
MOLECULAR WEIGHT :
166.19

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Open irritation test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 6/22/1966
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 6/22/1966 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2460 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 6/22/1966
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1590 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 6/22/1966

 Safety Information

Risk Phrases 61-36/38-43-51/53-62
RIDADR UN 3082 9/PG 3
WGK Germany 3
HS Code 2932999099

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2,3,5,6-Tetrahydro-2-Methylphthalic Anhydride
EINECS 247-830-1
AC 220J
Lindride
cis-1,3-Dioxo-3a-methyl-4,7-dihydro-phthalan
1,2,3,6-Tetrahydromethylphthalic anhydride
MTHPA
ZZLA-0334
Epoxy hardener zzla-0334
Phthalic anhydride,methyltetrahydro
EINECS 255-853-3
1-methyl-cis-4-cyclohexene-1,2-dicarboxylic anhydride