产品名称

英文名称：Acetoin

同义词

Acetylmethylcarbinol (May exist as crystalline dimer) 、 3-Hydroxy-2-butanone (May exist as crystalline dimer)

产品性质

CAS编号：513-86-0

分子式：C4H8O2

分子量：88.11

Beilstein号：385636

EC号：208-174-1

MDL号：MFCD00004521

PubChem编号：179

英文别名：Acetylmethylcarbinol (May exist as crystalline dimer) | 3-Hydroxy-2-butanone (May exist as crystalline dimer)

规格或纯度：≥97%,可能以结晶二聚体形式存在

英文名称：Acetoin

应用：用于制作香精和香料。

储存温度：2-8°C储存,充氩

运输条件：冰袋运输

产品介绍：易挥发。与水混溶，可混溶于乙醇，微溶于醚、石油醚。可能以晶形二聚体存在。用于制作香精和香料。Acetoin is a volatile compound widely employed as flavour and fragrance compound in foods, cigarettes, cosmetics, detergents, chemical synthesis, plant growth promoters and biological pest controls.Acetoin is the main extracellular product of Bacilus subtilis grown on glucose and other fermentable carbon sources.It contributes to the aroma and flavor associated with alcoholic beverages. Production of acetoin by wine yeast fermentation has been reported.Acetoin is naturally present in buttery foods such as beer, butter and cheese.Determination of diacetyl and acetoin to evaluate the workplace exposures at a popcorn processing facility has been reported. Acetoin is an acyloin derivative. In the presence of light and moisture it transforms into a white colored solid dimer. It is formed by the reduction of diacetyl.It has been synthesized from acetaldehyde.

IUPAC Name：3-hydroxybutan-2-one

INCHI：InChI=1S/C4H8O2/c1-3(5)4(2)6/h3,5H,1-2H3

InChi Key：ROWKJAVDOGWPAT-UHFFFAOYSA-N

Canonical SMILES：CC(C(=O)C)O

Isomeric SMILES：CC(C(=O)C)O

WGK Germany：1

RTECS：EL8790000

PubChem CID：179

UN Number：2621(liquid)1325(solid dimer)

Packing Group：III

溶解性：Miscible with water, propylene glycol and alcohol. Slightly miscible with ether, petroleum ether. Immiscible with fatty oils and vegetable oil.

密度：1.013

敏感性：光&空气敏感;对湿度敏感

折光率：1.417

闪点(℉)：118.4 °F

闪点(℃)：47°C

沸点：148°C

熔点：15°C

一般危化品：一般危化品

象形图：

信号词：Warning

危险声明：H315 Causes skin irritationH319 Causes serious eye irritationH228 Flammable solidH226 Flammable liquid and vapor

预防措施声明：P305+P351+P338,P280,P370+P378,P210,P302+P352,P321,P501,P233,P240,P264,P403+P235,P303+P361+P353,P241,P362+P364,P242,P243,P264+P265,P337+P317,P332+P317

Class：3

Merck Index：64

个人防护装备：dust mask type N95 (US),Eyeshields,Gloves

产品包装