N-bromosuccinimide
English name: nbs; N-bromobutanimide; N-bromosuccinimide
CAS:
128-08-5
Molecular formula: c4h4brno2
Structural type:
Molecular weight: 177.98
Properties: This product is white or milky white fine-grained crystal with slight bromine smell. Soluble in acetone, ethyl acetate and acetic anhydride, but insoluble in water, benzene, carbon tetrachloride, chloroform, etc. Specific gravity 2.097, melting point 173-175 ° C, decomposition at 182 ° C.
Precautions: This product is highly irritating to skin and mucous membrane. Pay attention to protection.
Main use: organic synthetic raw materials, used for bromination reaction and pharmaceutical intermediates.
Packaging and storage: 25kg cardboard barrel Store away from light.
Product specification index
Appearance: White crystal
Content: ≥99%
Melting point: 173-175°C
Available bromine: ≥44%
Chloride: ≤0.05%
Loss on drying: ≤0.5%