2-Oxetanone,3,3-dimethyl-
- 中文别名：新戊内酯
- 英文别名：Pivalolactone.;
3,3-dimethylpropiolactone;
Dimethyl propiolactone;
3,3-dimethyl-oxetan-2-one;
PPIVALOLACTONE;
3,3-DIMETHYL-2-OXETANONE;
2,2-Dimethyl-3-hydroxypropanoic acid lactone;
Pivalolactone
- CAS No.：1955-45-9
- 分子式：C5H8O2
- 分子量：100.13
- 精确分子量：100.05200
- PSA：26.30000
- 分子结构式：
物化性质
- 密度：
- 1.032g/cm3
- 沸点：
- 131.6ºC at 760 mmHg
- 闪点：
- 33.7ºC
- 折射率：
- 1.427
- 蒸汽压：
- 9.21mmHg at 25°C
安全信息
- 密度：
- 1.032g/cm3
- 沸点：
- 131.6ºC at 760 mmHg
- 闪点：
- 33.7ºC
- 折射率：
- 1.427
- 蒸汽压：
- 9.21mmHg at 25°C
毒理性
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- RQ7525000
- CHEMICAL NAME :
- 2-Oxetanone, 3,3-dimethyl-
- CAS REGISTRY NUMBER :
- 1955-45-9
- BEILSTEIN REFERENCE NO. :
- 1280648
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 12
- MOLECULAR FORMULA :
- C5-H8-O2
- MOLECULAR WEIGHT :
- 100.13
- WISWESSER LINE NOTATION :
- T4OVTJ C1 C1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1470 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 316 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 216 gm/kg/2Y-I
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 72 gm/kg/69W
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors
MUTATION DATA
- TYPE OF TEST :
- Mutation in microorganisms
- TEST SYSTEM :
- Bacteria - Serratia marcescens
- DOSE/DURATION :
- 25 mg/L
- REFERENCE :
- ATXKA8 Archiv fuer Toxikologie. (Berlin, Fed. Rep. Ger.) V.15-31, 1954-74. For publisher information, see ARTODN. Volume(issue)/page/year: 30,67,1972
海关数据
中国海关编码：2932209090
- 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
- 摘要/Summary：
- 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
