3173-79-3

3173-79-3结构式
3173-79-3结构式

化源商城直购

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

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

海关编码 2932209090

~75%

3173-79-3结构式

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
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%