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92-67-1

Name 4-AMINOBIPHENYL
CAS 92-67-1
EINECS(EC#) 202-177-1
Molecular Formula C12H11N
MDL Number MFCD00007879
Molecular Weight 169.22
MOL File 92-67-1.mol

Chemical Properties

Description
4-Aminobiphenyl is an aromatic amine (arylamine) that exists at room temperature as a colorless crystalline solid with a floral odor. It is slightly soluble in cold water, but readily soluble in hot water. It is soluble in ethanol, ether, acetone, chloroform, and lipids. It oxidizes in air and emits toxic fumes when heated to decomposition (Akron 2009).
Appearance 4-Aminobiphenyl is a combustible, colorless to tan crystalline solid that turns purple on exposure to air. May be used in a liquid solution. Floral odor.
Melting point  52-54 °C(lit.)
Boiling point  191 °C15 mm Hg(lit.)
density  1.1154 (rough estimate)
vapor pressure  6 x 10-5 mmHg at 20–30 °C (quoted, Mercer et al., 1990)
refractive index  1.5785 (estimate)
Fp  >110°C
storage temp.  -20°C Freezer
solubility  Soluble in Dichloromethane, DMSO and Methanol
form  powder
pka 4.35(at 18℃)
color  Brown to Dark Yellow
Stability: Stable, but slowly reacts with oxygen in the air. Combustible. Incompatible with strong oxidizing agents, acids, acid anhydrides, acid chlorides.
Water Solubility  842 mg/L at 20–30 °C (quoted, Mercer et al., 1990)
Usage Induces chromosomal instability in human cancer cells.
Merck  13,1235
BRN  386533
Henry's Law Constant (x 1010 atm?m3/mol): 3.89 at 25 °C (calculated, Mercer et al., 1990)
InChIKey DMVOXQPQNTYEKQ-UHFFFAOYSA-N
Uses
In the United States, 4-aminobiphenyl now is used only in laboratoryresearch. It formerly was used commercially as a rubber antioxidant, as a dye intermediate, and in the detection of sulfates (HSDB 2009).
CAS DataBase Reference 92-67-1(CAS DataBase Reference)
IARC 1 (Vol. 1, Sup 7, 99, 100F) 2012
NIST Chemistry Reference 4-Aminobiphenyl(92-67-1)
EPA Substance Registry System 92-67-1(EPA Substance)

Safety Data

Hazard Codes  T,Xn
Risk Statements 
R45:May cause cancer.
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR  UN 3077 9/PG 3
WGK Germany  3
RTECS  DU8925000
Autoignition Temperature 842 °F
TSCA  Yes
HazardClass  6.1(a)
PackingGroup  I
HS Code  29214990
Safety Profile
Confirmed human carcinogen with experimental carcinogenic and tumorigenic data. Poison by ingestion and intraperitoneal routes. Human mutation data reported. An irritant. Effects resemble those of benzidine. See also BENZIDINE. Slight to moderate fire hazard when exposed to heat, flames (sparks), or powerful oxidzers. To fight fire, use water spray, mist, dry chemical. When heated to decomposition it emits toxic fumes of NOx,. See also AROMATIC AMINES.
Hazardous Substances Data 92-67-1(Hazardous Substances Data)
Toxicity
Acute oral LD50 for rats 200 mg/kg, mice 50 mg/kg (quoted, Verschueren, 1983).

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