国产美女特级片免费视频播放器,狠狠操天天操夜夜操,天天摸天天做天天爽天天舒服,亚洲毛片在线观看av,中国一级特黄**毛片免费看,高清拍拍拍无挡视频免费1000,久久露脸国产精品

Huaihua Wangda Biotechnology Co., Ltd.

Huaihua Wangda Biotechnology Co., Ltd.

tel
Detail
Product name Hydrazine dihydrochloride
Also known as Hydrazine dihydrochloride
English name

Hydrazine dihydrochloride

Molecular formula

H2NNH22HCl

CAS NO. 5341-61-7
Molecular weight 104.97
Molecular structure
Product nature White crystal powder. Density: 1.42, easily soluble in water.
Specification
Exterior White crystal powder
Storage Store in a cool, and dry place, isolated from the air; it should be sealed when not in use.
Package Cardboard drum lined with plastic bag, 25 Kg/barrel; or according to customer requirements.
Use Pharmaceutical intermediate
Other

Melting range:198℃

Content:≥98.0%

Loss on drying:≤0.5%

【Back】