3173-79-3

• 常用中文名：2-Oxetanone,3,3-dimethyl-4-(1-methylethylidene)-
• 常用英文名：2-Oxetanone,3,3-dimethyl-4-(1-methylethylidene)-
• CAS号：3173-79-3
• 分子式：C₈H₁₂O₂
• 分子量：140.18000
• 发布时间：2016-08-28 09:46:27
• 更新时间：2025-09-14 15:30:53

名称

• 英文名: 3,3-dimethyl-4-propan-2-ylideneoxetan-2-one
• 英文别名: 4-isopropylidene-3,3-dimethyloxetan-2-one; 2-Oxetanone,4-isopropylidene-3,3-dimethyl; EINECS 221-643-5; 4-Isopropylidene-3,3-dimethyl-2-oxetanone; Dimethylketene dimer

物化性质

• 分子式: C₈H₁₂O₂
• 分子量: 140.18000
• 精确质量: 140.08400
• PSA: 26.30000
• LogP: 1.86330

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : RQ7875000 CHEMICAL NAME : 2-Oxetanone, 4-isopropylidene-3,3-dimethyl- CAS REGISTRY NUMBER : 3173-79-3 LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C8-H12-O2 MOLECULAR WEIGHT : 140.20 WISWESSER LINE NOTATION : T4VOY DHJ CUY1&1 D1 D1 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 39 gm/kg/78W-I TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application REFERENCE : JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60, 1940-78. For publisher information, see JJIND8. Volume(issue)/page/year: 39,1213,1967

安全

• 海关编码: 2932209090

合成路线

598-26-5 ~75% 3173-79-3

文献：Ibrahim, Ahmad A.; Wei, Pei-Hsun; Harzmann, Gero D.; Kerrigan, Nessan J. Journal of Organic Chemistry, 2010 , vol. 75, # 22 p. 7901 - 7904

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海关

海关编码	2932209090
中文概述	2932209090. 其他内酯. 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	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%