2013年11月14日星期四

Introdution of 4-Bromobenzonitrile

IUPAC Name:  4-Bromobenzonitrile 
Synonyms: 1-Bromo-4-cyanobenzene ; p-Bromobenzonitrile ; Benzonitrile, 4-bromo- ; Benzonitrile, p-bromo- (8CI) 
Molecular Formula: C7H4BrN
Molecular Weight: 182.02
Molecular Structure: 
CAS NO: 623-00-7
EINECS: 210-764-9
H bond acceptors: 1 
H bond donors: 0 
Freely Rotating Bonds: 0 
Polar Surface Area: 23.79 Å2 
Index of Refraction: 1.606 
Molar Refractivity: 39.04 cm3 
Molar Volume: 113.1 cm3 
Surface Tension: 52.1 dyne/cm 
Density: 1.6 g/cm3 
Flash Point: 97 C 
Enthalpy of Vaporization: 47.36 kJ/mol 
Boiling Point: 236.8 C at 760 mmHg 
Vapour Pressure: 0.0464 mmHg at 25C 
Melting Point: 110-115 C(lit.)
Appearance: white to light yellow powder or flakes
Product Categories of 4-Bromobenzonitrile (CAS NO.623-00-7): FINE Chemical and INTERMEDIATES; blocks; Bromides; Carboxes; Halides; Phenyls and Phenyl-Het; Nitrile; Nitriles; Miscellaneous; Bromine Compounds; Benzonitriles (Building Blocks for Liquid Crystals);Building Blocks for Liquid Crystals;Functional Materials;Phenyls & Phenyl-Het;C6 to C7;Cyanides/Nitriles;Nitrogen Compounds.


Safety Information about 4-Bromobenzonitrile: 
Hazard Codes:HarmfulXn,Xi ToxicT
Risk Statements: 36/37/38-20/21/22
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38: Irritating to eyes, respiratory system and skin. 
Safety Statements: 61-36/37/39-26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S61: Avoid release to the environment. Refer to special instructions / safety data sheets. 
RIDADR: UN 3439 6.1/PG 3
WGK Germany: 2
RTECS: DI2460000
Hazard Note: Toxic/Irritant 
HazardClass: 6.1 
PackingGroup: III 
HS Code: 29269095


General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. 

Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. 

Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. 
Storage: Store in a cool, dry place. Store in a tightly closed container.

Spill Cleanup Instructions of 4-Bromobenzonitrile:
Toxic material. Irritating material. Environmentally hazardous material. Stop leak if without risk. DO NOT get water inside container. DO NOT touch spilled material. Use water spray to reduce vapors. Prevent entry into sewers, basements or confined areas; dike if needed. Eliminate all sources of ignition. Consult federal, state, and/or local authorities for assistance on disposal.

Handling and Storage Information of 4-Bromobenzonitrile:
TOXIC. IRRITANT. ENVIRONMENTAL HAZARD. Keep locked up. Keep away from heat. Mechanical exhaust required. When not in use, tightly seal the container and store in a dry, cool place. Avoid excessive heat and light. DO NOT ingest. Do not breathe dust. Wear suitable protective clothing. If ingested, seek medical advice immediately and show the container or the label. Treat symptomatically and supportively. Always store away from incompatible compounds such as oxidizing agents, alkalis (bases).

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