N-bromobutanimide

Post Date:
Feb 22,2019
Expiry Date:
Feb 22,2020
Detailed Description:
Cas No. :128-08-5 Quantity: 10000Metric Tons
Specs:99%
Price:7975 USD Metric Tons
Payment Method: TT or L/C
[Product Name]: NBS; N-bromobutanimide;N-bromosuccinimide

[CAS]: 128-08-5

[Molecular Formula]: C4H4BrNO2

[Structural Formula]:

[Molecular Weight]: 177.98

[Properties]: white or milk white crystalline fine granules with slight bromine smell; soluble in acetone, ethyl acetate and acetic anhydride; insoluble in water, benzene, carbon tetrachloride and chloroform; specific weight 2.097, m.p. 173-175°C, decomposed at 182°C.

[Safety Notes]: it is slightly irritating; no inhalation.

[Use]: As material in organic synthesis, used in bromination and pharmaceutical intermediates.
[Packing & Storage]: 25kg cardboard drum. Avoid light.

[Quality Index]
Appearance
white crystal

Assay%
≥99%

m.p.°C
173-175°C

Effective Bromine
≥44%

Chloride
≤0.05%

Dyring Loss
≤0.5%
CAS Registry Number:
128-08-5
Synonyms:
;1-Bromo-2,5-pyrrolidinedione;NBS;N-Bromobutanimide;N-Bromo Succinimide;1-bromopyrrolidine-2,5-dione;Bromosuccinimide, N-;
Molecular Formula:
C₄H₄BrNO₂
Molecular Weight:
177.9841
Molecular Structure:
Hazard Symbols:
Xn:Harmful;
Risk Codes:
R22:;
R36/37/38:;
Safety Description:
S26:;
S37/39:;

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