42498-58-8

• 常用中文名：3a-甲基-3a,4,7,7a-四氢异苯并呋喃-1,3-二酮
• 常用英文名：3A-METHYL-3A,4,7,7A-TETRAHYDROISOBENZOFURAN-1,3-DIONE
• CAS号：42498-58-8
• 分子式：C₉H₁₀O₃
• 分子量：166.17400
• 发布时间：2018-12-03 20:45:43
• 更新时间：2025-08-28 09:53:07

名称

• 中文名: 3a-甲基-3a,4,7,7a-四氢异苯并呋喃-1,3-二酮
• 英文名: 7a-methyl-4,7-dihydro-3aH-2-benzofuran-1,3-dione
• 英文别名: 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

物化性质

• 密度: 1.251g/cm3
• 沸点: 292.4ºC at 760mmHg
• 分子式: C₉H₁₀O₃
• 分子量: 166.17400
• 闪点: 136.1ºC
• 精确质量: 166.06300
• PSA: 43.37000
• LogP: 1.04230

毒性和生态

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

安全

• 风险声明 (欧洲): 61-36/38-43-51/53-62
• 危险品运输编码: UN 3082 9/PG 3
• WGK德国: 3
• 海关编码: 2932999099

海关

海关编码	2932999099
中文概述	2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途
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%