Introduction:Basic information about CAS 42498-58-8|3A-METHYL-3A,4,7,7A-TETRAHYDROISOBENZOFURAN-1,3-DIONE, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3A-METHYL-3A,4,7,7A-TETRAHYDROISOBENZOFURAN-1,3-DIONE |
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| CAS Number | 42498-58-8 | Molecular Weight | 166.17400 |
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| Density | 1.251g/cm3 | Boiling Point | 292.4ºC at 760mmHg |
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| Molecular Formula | C9H10O3 | Melting Point | / |
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| MSDS | / | Flash Point | 136.1ºC |
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Names
| Name | 7a-methyl-4,7-dihydro-3aH-2-benzofuran-1,3-dione |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.251g/cm3 |
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| Boiling Point | 292.4ºC at 760mmHg |
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| Molecular Formula | C9H10O3 |
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| Molecular Weight | 166.17400 |
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| Flash Point | 136.1ºC |
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| Exact Mass | 166.06300 |
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| PSA | 43.37000 |
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| LogP | 1.04230 |
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| InChIKey | SOOZEQGBHHIHEF-UHFFFAOYSA-N |
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| SMILES | CC12CC=CCC1C(=O)OC2=O |
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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 DATAACUTE 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
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Safety Information
| Risk Phrases | 61-36/38-43-51/53-62 |
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| RIDADR | UN 3082 9/PG 3 |
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| WGK Germany | 3 |
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| HS Code | 2932999099 |
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Customs
| HS Code | 2932999099 |
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| 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% |
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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 |