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N-Bromosuccinimide

N-Bromosuccinimide Structure
N-Bromosuccinimide
  • CAS No.128-08-5
  • Chemical Name:N-Bromosuccinimide
  • CBNumber:CB2234049
  • Molecular Formula:C4H4BrNO2
  • Formula Weight:177.98
  • MOL File:128-08-5.mol
N-Bromosuccinimide Property
  • Melting point: :175-180 °C (dec.)(lit.)
  • Boiling point: :221.4°C (rough estimate)
  • Density  :2.098
  • vapor pressure  :14.8 hPa (20 °C)
  • refractive index  :1.6060 (estimate)
  • storage temp.  : 0-6°C
  • solubility  :14.8g/l (decomposition)
  • pka :-2.78±0.20(Predicted)
  • form  :Crystalline Powder
  • color  :White to light yellow
  • Water Solubility  :Soluble in acetone, tetrahydrofuran, dimethyl formamide, dimethyl sulfoxide and acetonitrile. Slightly soluble in water and acetic acid. Insoluble in ether, hexane and carbon tetrachloride.
  • Sensitive  :Moisture Sensitive
  • Merck  :14,1438
  • BRN  :113916
  • Stability: :Stable. Incompatible with strong oxidizing agents, halogenated hydrocarbons.
  • InChIKey :PCLIMKBDDGJMGD-UHFFFAOYSA-N
  • CAS DataBase Reference :128-08-5(CAS DataBase Reference)
  • FDA UNII :K8G1F2UCJF
  • NIST Chemistry Reference :2,5-Pyrrolidinedione, 1-bromo-(128-08-5)
  • EPA Substance Registry System :N-Bromosuccinimide (128-08-5)
Safety
  • Hazard Codes  :C,Xn
  • Risk Statements  :22-34-36/37/38
  • Safety Statements  :26-36/37/39-45-37/39
  • RIDADR  :UN 3261 8/PG 2
  • WGK Germany  :3
  • Hazard Note  :Harmful
  • TSCA  :Yes
  • HazardClass  :8
  • PackingGroup  :III
  • HS Code  :29251995
  • Toxicity :LD50 orally in Rabbit: > 2000 mg/kg
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H318-H302-H314-H290
  • Precautionary statements P234-P260-P264-P270-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P390-P405-P406-P501-P280-P305+P351+P338-P310-P260h-P301+P330+P331-P303+P361+P353-P501a
N-Bromosuccinimide Price More Price(14)
  • Brand: Sigma-Aldrich
  • Product number: B81255
  • Product name : N-Bromosuccinimide
  • Purity: 99%
  • Packaging: 5g
  • Price: $27.7
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: B81255
  • Product name : N-Bromosuccinimide
  • Purity: 99%
  • Packaging: 1kg
  • Price: $121
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: B0656
  • Product name : N-Bromosuccinimide
  • Purity: >98.0%(T)
  • Packaging: 25g
  • Price: $14
  • Updated: 2020/06/24
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: B0656
  • Product name : N-Bromosuccinimide
  • Purity: >98.0%(T)
  • Packaging: 100g
  • Price: $25
  • Updated: 2020/06/24
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: A15922
  • Product name : N-Bromosuccinimide, 99%
  • Purity: 
  • Packaging: 250g
  • Price: $40.9
  • Updated: 2020/06/24
  • Buy: Buy

N-Bromosuccinimide Chemical Properties,Usage,Production

  • Chemical Properties white to light yellow crystalline powder
  • Uses N-Bromosuccinimide is a brominated succinimide used as a chemical reagent in radical substitution and electrophilic addition reactions in organic synthesis.
  • Uses NBS, is a chemical reagent used in organic chemistry in electrophilic addition reactions and radical substitution
  • Uses In bromination of olefins; in oxidation of alcohols to aldehydes and ketones and of aldehydes to acid bromides.
  • Definition ChEBI: A five-membered cyclic dicarboximide compound having a bromo substituent on the nitrogen atom.
  • Safety Profile Poison by intraperitoneal route. An irritating poison to skin, eyes, and mucous membranes. Reacts explosively with adme, dtallyl sulfide, and hydrazine hydrate. Explosive reaction with propiononitrile after heating to 105℃ for 24 hours. Violent reaction with dtbenzoyl peroxide + 4-tok acid. When heated to decomposition it emits toxic fumes of Brand NOx. See also BROMIDES and NITROGEN MONOXIDE.
  • Purification Methods N-Bromosuccinimide (30g) is purified by dissolving rapidly in 300mL of boiling water and filtering through a fluted filter paper into a flask immersed in an ice bath, and left for 2hours. The crystals are filtered off, washed thoroughly with ca 100mL of ice-cold water and drained on a Büchner funnel before drying under vacuun over P2O5 or CaCl2 [Dauben & McCoy J Am Chem Soc 81 4863 1959]. This brominating agent has also been crystallised from acetic acid or water (10 parts), washed in water and dried in vacuo [Wilcox et al. J Am Chem Soc 108 7693 1986, Shell et al. J Am Chem Soc 108 121 1986, Phillips & Cohen J Am Chem Soc 108 2013 1986, Beilstein 21/9 V 543.]
N-Bromosuccinimide Preparation Products And Raw materials
Raw materials
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