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二溴甲烷
二溴甲烷(Dibromomethane)
CAS No: 74-95-3
中文名称:二溴甲烷
英文名称:Dibromomethane；
英文别名:Methylene bromide; methylene dibromide
化学式:CH2Br2
UN Number:2664
危害性分类:可之毒性液体。
外观:无色透明液体。
二溴甲烷含量，% 99.0
溴氯甲烷,% 0.8
二氯甲烷,% 0.1
酸度，(以HBr计),% 0.05
沸点:97.0
比重:2.4969 (20)
蒸气压力:44.4mmHg (25)
蒸气比重:6.05 (空气＝1)
水中溶解度:11.7 g/1000 g water (15)
主要用途: 二溴甲烷作为农药中间体,是合成新型高效、广普杀菌剂-的主要原料，更是大吨位杀螨剂的原料。二溴甲烷是一种很好的阻剂二溴甲烷添加到聚合物中有效地降低塑料烧时的烧热。
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.
