90比分即时足球比分localpc端|捷报足球即时比分网比|足球比赛即时比分|买足球竞彩,2024香港今期开奖号码马会,篮球比分网即时比分,90即时比分足球比分

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 >