< 生产厂家价格 >

4,6-二甲基-2-吡喃酮

4,6-二甲基-2-吡喃酮名称

[ CAS 号 ]:
675-09-2

[ 中文名 ]:
4,6-二甲基-2-吡喃酮

[ 英文名 ]:
4,6-Dimethyl-2H-pyran-2-one

[中文别名 ]:

[英文别名 ]:

2H-Pyran-2-one, 4,6-dimethyl-
T6OVJ D1 F1
MFCD00075555
4,6-Dimethyl-α-pyrone
4,6-dimethylpyran-2-one
EINECS 211-618-7
4,6-Dimethyl-2H-pyran-2-one

4,6-二甲基-2-吡喃酮物理化学性质

[ 密度 ]:
1.1±0.1 g/cm3

[ 沸点 ]:
245.0±0.0 °C at 760 mmHg

[ 熔点 ]:
48-50 °C(lit.)

[ 分子式 ]:
C₇H₈O₂

[ 分子量 ]:
124.137

[ 闪点 ]:
90.1±16.1 °C

[ 精确质量 ]:
124.052429

[ PSA ]:
30.21000

[ LogP ]:
0.98

[ 外观性状 ]:
黄色固体

[ 蒸汽压 ]:
0.0±0.5 mmHg at 25°C

[ 折射率 ]:
1.485

[ 储存条件 ]:
室温，密闭，干燥

4,6-二甲基-2-吡喃酮MSDS

4,6-二甲基-2-吡喃酮毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ0700000

CHEMICAL NAME :: 2H-Pyran-2-one, 4,6-dimethyl-

CAS REGISTRY NUMBER :: 675-09-2

BEILSTEIN REFERENCE NO. :: 0002468

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C7-H8-O2

MOLECULAR WEIGHT :: 124.15

WISWESSER LINE NOTATION :: T6OVJ D1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 750 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 2,109,1946

点击显示

4,6-二甲基-2-吡喃酮安全信息

[ 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 ]:
UQ0700000

[ 海关编码 ]:
2932999099

4,6-二甲基-2-吡喃酮合成路线

4,6-二甲基-2-吡喃酮上下游产品

4,6-二甲基-2-吡喃酮上游产品

4,6-二甲基-2-吡喃酮下游产品

4,6-二甲基-2-吡喃酮海关

[ 海关编码 ]: 2932999099

[ 中文概述 ]:
2932999099. 其他仅含氧杂原子的杂环化合物. 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 ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

4,6-二甲基-2-吡喃酮文献

Single-crystal X-ray structure of 1,3-dimethylcyclobutadiene by confinement in a crystalline matrix.

Science 329(5989) , 299-302, (2010)

Cyclobutadiene (CBD), the smallest cyclic hydrocarbon bearing conjugated double bonds, has long intrigued chemists on account of its strained geometry and electronic instability, but the parent compou...

Unprecedented synthesis of 1,3-dimethylcyclobutadiene in the solid state and aqueous solution.

Chemistry 17(36) , 10021-8, (2011)

Cyclobutadiene (CBD), the smallest cyclic hydrocarbon bearing conjugated double bonds, has long intrigued chemists because of its chemical characteristics. The question of whether the molecule could b...

更多文献