256536

Phosphorus tribromide

99%

• 동의어(들): Phosphorus(III) bromide
• Linear Formula: PBr₃
• CAS Number: 7789-60-8
• Molecular Weight: 270.69
• EC Number: 232-178-2
• MDL number: MFCD00011436
• UNSPSC 코드: 12352101
• PubChem Substance ID: 24855534
• NACRES: NA.22

속성

• vapor pressure: 0.27 psi ( 54 °C)
• Quality Level: 200
• 분석: 99%
• 형태: liquid
• refractive index: n20/D 1.697 (lit.)
• bp: 175 °C (lit.)
• mp: −41.5 °C (lit.)
• density: 2.88 g/mL at 20 °C (lit.)
• SMILES string: BrP(Br)Br
• InChI: 1S/Br3P/c1-4(2)3
• InChI key: IPNPIHIZVLFAFP-UHFFFAOYSA-N

설명

일반 설명

Phosphorus tribromide (PBr₃) is commonly used in Hell-Volhard-Zelinsky halogenation for the α-bromination of carboxylic acids to form the corresponding acyl bromide. It is also useful for the conversion of primary and secondary alcohols to alkyl bromides.

애플리케이션

Phosphorus tribromide may be used as a reagent:

• In a novel protocol for synthesizing 7-ethoxy-1-(p-ethylphenoxy)-3,7-dimethyl-2-octene, a synthetic juvenile hormone mimic of trans,trans,cis-10,11-epoxy-7-ethyl-3,11-dimethyltrideca-2,6-dienoate.
• To synthesize 1,2,3-diazaphosphinane, 1,2,3-thiazaphosphinine and 1,2-azaphosphole bearing a chromone ring.
• To synthesize 1-Bromoundec-1-ene from 10-undecen-1-ol.

안전성 정보

• 픽토그램: GHS05,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H314,H335
• 예방조치 성명서: P261 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
• 표적 기관: Respiratory system
• 보충제 위험성: EUH014
• Storage Class Code: 8B - Non-combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable
• 개인 보호 장비: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter