产品名称

英文名称：2,3-Butanedione

同义词

2,3-butanedione、diacetyl、biacetyl、Butane-2,3-dione、431-03-8、dimethylglyoxal、Butanedione、dimethyl diketone、2,3-diketobutane、Dimethyl glyoxal、2,3-Butadione、2,3-dioxobutane、butadione、Glyoxal, dimethyl-、2,3-butandione、Diacetyl (natural)、FEMA No. 2370、Butan-2,、二乙酰、双乙酰

产品性质

CAS编号：431-03-8

分子式：C4H6O2

分子量：86.09

Beilstein号：1769

MDL号：MFCD00008756

PubChem编号：650

别名：二乙酰|双乙酰

英文别名：2,3-butanedione|diacetyl|biacetyl|Butane-2,3-dione|431-03-8|dimethylglyoxal|Butanedione|dimethyl diketone|2,3-diketobutane|Dimethyl glyoxal|2,3-Butadione|2,3-dioxobutane|butadione|Glyoxal, dimethyl-|2,3-butandione|Diacetyl (natural)|FEMA No. 2370|Butan-2,

规格或纯度：98%

英文名称：2,3-Butanedione

应用：有机合成。生化研究，蛋白质中精氨酸残基的特殊修改试剂。乳油、咖啡、蜂蜜等用香料载体。明胶硬化剂。 可用于灭活氨肽酶-N。与胺发生环缩合反应，用于形成三嗪和蝶啶环体系。也可用作 α-二酮的前体。

储存温度：2-8°C储存,充氩

运输条件：冰袋运输

产品介绍：有苯醌气味，极稀水溶液有特殊的白脱油香。蒸气有似氯气味。能与乙醇、乙醚和丙二醇等大多数非挥发性溶剂混溶，微溶于甘油和水，不溶于矿物油。易燃。低毒，半数致死量(大鼠，经口)1580mg/kg。有刺激性。 有机合成。生化研究，蛋白质中精氨酸残基的特殊修改试剂。乳油、咖啡、蜂蜜等用香料载体。明胶硬化剂。 可用于灭活氨肽酶-N。与胺发生环缩合反应，用于形成三嗪和蝶啶环体系。也可用作 α-二酮的前体。2,3-Butanedione, a volatile compound, is a product of citrate metabolism that is generally produced by certain bacteria including Lactococcus lactis ssp. diacetylactis and Leuconostoc citrovorum. It has a typical buttery flavor and is commonly found in fermented dairy products, such as sour cream, yogurt and cottage cheese.Inactivates aminopeptidase-N. Cyclocondensation with amines has been used to form triazine and pteridine ring systems. Also used as a precursor to α-diones.

IUPAC Name：butane-2,3-dione

INCHI：InChI=1S/C4H6O2/c1-3(5)4(2)6/h1-2H3

InChi Key：QSJXEFYPDANLFS-UHFFFAOYSA-N

Canonical SMILES：CC(=O)C(=O)C

Isomeric SMILES：CC(=O)C(=O)C

WGK Germany：2

RTECS：EK2625000

PubChem CID：650

UN Number：2346

Packing Group：II

Reaxy-Rn：605398

溶解性：Miscible with water.

密度：0.98

敏感性：对热敏感；对空气敏感

折光率：1.394

闪点(℃)：7 °C

沸点：88°C

熔点：-4 °C

一般危化品：一般危化品

象形图：

信号词：Danger

危险声明：H315 Causes skin irritationH331 Toxic if inhaledH373 Causes damage to organs through prolonged or repeated exposureH302 Harmful if swallowedH318 Causes serious eye damageH225 Highly Flammable liquid and vaporH317 May cause an allergic skin reaction

预防措施声明：P261,P280,P370+P378,P210,P302+P352,P321,P405,P501,P233,P240,P264,P403+P235,P260,P303+P361+P353,P271,P241,P270,P304+P340,P403+P233,P272,P333+P313,P362+P364,P330,P242,P243,P264+P265,P301+P317,P305+P354+P338,P317,P332+P317,P316,P319

Class：3

Merck Index：2966

个人防护装备：Eyeshields, Faceshields, full-face respirator (US), Gloves, Heavyweight Gloves, multi-purpose combination respirator cartridge (US), Safety Clothing, type ABEK (EN14387) respirator filter

产品包装