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506-68-3

Name Cyanogen bromide
CAS 506-68-3
EINECS(EC#) 208-051-2
Molecular Formula CBrN
MDL Number MFCD00011597
Molecular Weight 105.92
MOL File 506-68-3.mol

Chemical Properties

Appearance Cyanogen bromide is a colorless or white, volatile, crystalline solid with a penetrating odor.
Melting point  50-53 °C(lit.)
Boiling point  61-62 °C(lit.)
density  1.443 g/mL at 25 °C
vapor density  3.65 (vs air)
vapor pressure  100 mm Hg ( 22.6 °C)
refractive index  1.4670 (estimate)
Fp  61.4°C
storage temp.  0-6°C
solubility  Soluble in chloroform, dichloromethane, ethanol, diethyl ether, benzene and acetonitrile.
form  Solution
color  White
Odor Penetrating odor
Stability: Stable. Reacts violently with water and with mineral and organic acids.
Water Solubility  decomposed slowly by cold H2O [HAW93]
Sensitive  Moisture & Light Sensitive
Merck  14,2693
BRN  1697296
Exposure limits No exposure limit is set. However, on the basis of the exposure limits of related compounds a ceiling limit of 0.5 ppm (2 mg/m3) is recommended.
CAS DataBase Reference 506-68-3(CAS DataBase Reference)
NIST Chemistry Reference Cyanogen bromide(506-68-3)
EPA Substance Registry System 506-68-3(EPA Substance)

Safety Data

Hazard Codes  T+,N,F,C
Risk Statements 
R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed .
R34:Causes burns.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R40:Limited evidence of a carcinogenic effect.
R11:Highly Flammable.
R36/37:Irritating to eyes and respiratory system .
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S16:Keep away from sources of ignition-No smoking .
S7/9:Keep container tightly closed and in a well-ventilated place .
RIDADR  UN 3390 6.1/PG 1
WGK Germany  3
RTECS  GT2100000
8-17-19-21
TSCA  Yes
HazardClass  6.1
PackingGroup  I
HS Code  28530090
Safety Profile
A human and experimental poison by inhalation. Corrosive. When heated to decomposition it emits very toxic fumes of CNand Br-. Possibly unstable. See also other cyanogen entries; CYANIDE; and BROMIDES.
Hazardous Substances Data 506-68-3(Hazardous Substances Data)
Toxicity
LCLO inhal (human) 92 ppm (398 mg/m3; 10 min)
LCLO inhal (mouse) 115 ppm (500 mg/m3; 10 min)

Hazard Information

Material Safety Data Sheet(MSDS)

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