二溴甲烷 

二溴甲烷(Dibromomethane)

CAS No: 74-95-3

中文名稱:二溴甲烷

英文名稱:Dibromomethane；

英文別名:Methylene bromide; methylene dibromide

化學式:CH2Br2

UN Number:2664

危害性分類:可之毒性液體。

外觀:無色透明液體。

二溴甲烷含量，% 　　 99.0

溴氯甲烷,% 　　　　　0.8

,% 　　　　　0.1

酸度，(以HBr計),% 　 0.05

沸點:97.0

比重:2.4969 (20)

蒸氣壓力:44.4mmHg (25)

蒸氣比重:6.05 (空氣＝1)

水中溶解度:11.7 g/1000 g water (15)

主要用途: 二溴甲烷作為中間體,是合成新型高效、廣普殺菌劑-的主要原料，更是大噸位殺螨劑的原料。二溴甲烷是一種很好的阻劑二溴甲烷添加到聚合物中有效地降低塑料燒時的燒熱。

Dibromomethane

CAS No: 74-95-3

Chinese Name: Dibromomethane

English Name: Dibromomethane;

English synonyms: Methylene bromide; methylene dibromide

Chemical formula: CH2Br2

UN Number:2664

Hazard classification: combustible toxic liquid.

Appearance: colorless transparent liquid.

Dibromomethane content 99, %

Bromine chlorine methane, % 0.8

Methylene chloride, % 0.1

Acidity, ( HBr), % 0.05

Boiling point: 97

Proportion: 2.4969 ( 20 )

Steam pressure: 44.4mmHg ( 25 )

Vapor specific gravity ( air = 1 ): 6.05

Solubility in water: 11.7 g/1000 g water ( 15 )

Main uses: Dibromomethane as pesticide intermediates, synthetic model is efficient, broad-spectrum germicide - the main raw material, is the large tonnage acaricide raw materials. Dibromomethane is a good flame retardant Dibromomethane added to polymers effectively reduce plastic combustion heat of combustion.