青草国产视频|a在线|色戒电影未删减完整版免费观看|下海未删减完整版电影,终结者4电影在线观看完整版,久久先锋,日韩三级欧美

Product
 

N-bromobutanimide

 

 

[Synonyms]:

 

 

NBS; N-bromosuccinimide

[CAS]: 128-08-5
[Molecular Formula]: C4H4BrNO2
[Structural Formula]:
[Molecular Weight]: 177.98
[Property]: This product is white or milky white fine crystal, with slight bromine odor, soluble in acetone, ethyl acetate, acetic anhydride, hardly soluble in water, benzene, carbon tetrachloride, chloroform etc. It has the specific gravity of 2.097, melting point of 173-175°C, and it will decompose at 182°C.
[Precautions]: This product is highly irritative to the skin and mucosa. Be careful in use.
[Main Uses]: In organic synthesis of raw materials, which are applied to brominating reactions and the manufacture of pharmaceutical intermediates.
[Package and Storage]: In cardboard drums with the capacity of 25 kg at dark places.


[Product Specification and Indexes]:
 

Appearance
White or yellowish crystal
Content% ≥
99%
Melting Point
173-175°C
Effective bromine ≥
44%
Chloride ≤
0.05%
Loss on Drying ≤
0.5%





< Return to the previous page >