16772

Cyanogenbromid

≥98.5% (RT)

• Synonym(e): Bromine cyanide
• Lineare Formel: BrCN
• CAS-Nummer: 506-68-3
• Molekulargewicht: 105.92
• Beilstein: 1697296
• EG-Nummer: 208-051-2
• MDL-Nummer: MFCD00011597
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 57647589
• NACRES: NA.22

Eigenschaften

• Dampfdichte: 3.65 (vs air)
• Qualitätsniveau: 200
• Dampfdruck: 100 mmHg ( 22.6 °C)
• Assay: ≥98.5% (RT)
• Form: crystals
• bp: 61-62 °C (lit.)
• mp (Schmelzpunkt): 50-53 °C (lit.)
• Lagertemp.: 2-8°C
• SMILES String: BrC#N
• InChI: 1S/CBrN/c2-1-3
• InChIKey: ATDGTVJJHBUTRL-UHFFFAOYSA-N

Beschreibung

Anwendung

• Cyanogen bromide is widely used in protein immobilization and cleavage.
• Under von Braun reaction conditions, CNBr reacts with tertiary amines to yield respective organocyanamides.
• It can also be used to synthesize organic intermediates like cyanuric bromide, derivatives of urea, guanidine, creatine, aryl nitriles, and a variety of heterocyclic compounds.

Sonstige Hinweise

Reagent for the selective cleavage of peptide bonds (e.g. methionine)

Sicherheitshinweise

• Piktogramme: GHS06,GHS05,GHS09
• Signalwort: Danger
• H-Sätze: H300 + H310 + H330,H314,H400
• P-Sätze: P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1B
• Zusätzliche Gefahrenhinweise: EUH032
• Lagerklassenschlüssel: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): >149.0 °F - closed cup
• Flammpunkt (°C): > 65 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges