Pivalolactone.

Pivalolactone.名称

[ CAS 号 ]:
1955-45-9

[ 英文名 ]:
Pivalolactone.

[英文别名 ]:

Pivalolactone.物理化学性质

[ 密度 ]:
1.032g/cm3

[ 沸点 ]:
131.6ºC at 760 mmHg

[ 分子式 ]:
C5H8O2

[ 分子量 ]:
100.11600

[ 闪点 ]:
33.7ºC

[ 精确质量 ]:
100.05200

[ PSA ]:
26.30000

[ LogP ]:
0.56940

[ 蒸汽压 ]:
9.21mmHg at 25°C

[ 折射率 ]:
1.427

Pivalolactone.毒性和生态

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

Pivalolactone.安全信息

[ 海关编码 ]:
2932209090

Pivalolactone.合成路线

Pivalolactone.上下游产品

Pivalolactone.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%

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热门化合物

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