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四甲基-1,3-环丁二酮

四甲基-1,3-环丁二酮名称

[ CAS 号 ]:
933-52-8

[ 中文名 ]:
四甲基环丁烷-1,3-二酮

[ 英文名 ]:
Tetramethyl-1,3-cyclobutanedione

[中文别名 ]:

[英文别名 ]:

1,3-Cyclobutanedione, 2,2,4,4-tetramethyl-
EINECS 213-269-6
Tetramethylcyclobutane-1,3-dione
2,2,4,4-Tetramethyl-1,3-cyclobutanedione
2,2,4,4-tetramethylcyclobutane-1,3-dione
Tetramethyl-1,3-cyclobutanedione
MFCD00001331

四甲基-1,3-环丁二酮物理化学性质

[ 密度 ]:
1.0±0.1 g/cm3

[ 沸点 ]:
208.3±15.0 °C at 760 mmHg

[ 熔点 ]:
114-116 °C(lit.)

[ 分子式 ]:
C₈H₁₂O₂

[ 分子量 ]:
140.180

[ 闪点 ]:
74.3±17.4 °C

[ 精确质量 ]:
140.083725

[ PSA ]:
34.14000

[ LogP ]:
0.43

[ 外观性状 ]:
固体;White to Almost white powder to crystal

[ 蒸汽压 ]:
0.2±0.4 mmHg at 25°C

[ 折射率 ]:
1.443

[ 储存条件 ]:
室温，干燥

四甲基-1,3-环丁二酮MSDS

详细MSDS(安全技术说明书)

四甲基-1,3-环丁二酮毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GU1775000

CHEMICAL NAME :: 1,3-Cyclobutanedione, 2,2,4,4-tetramethyl-

CAS REGISTRY NUMBER :: 933-52-8

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C8-H12-O2

MOLECULAR WEIGHT :: 140.20

WISWESSER LINE NOTATION :: L4V CVTJ B1 B1 D1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 308 mg/kg/77W-I

TOXIC EFFECTS :: Tumorigenic - neoplastic 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: 46,143,1971

四甲基-1,3-环丁二酮安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 安全声明 (欧洲) ]:
S24/25

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
GU1775000