2-Oxetanone,3,3-dimethyl-4-(1-methylethylidene)-

名称

[ CAS 号 ]:
3173-79-3

[ 英文名 ]:
2-Oxetanone,3,3-dimethyl-4-(1-methylethylidene)-

[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

物理化学性质

[ 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

安全信息

[ 海关编码 ]:
2932209090

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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%