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106-49-0

Name p-Toluidine
CAS 106-49-0
EINECS(EC#) 203-403-1
Molecular Formula C7H9N
MDL Number MFCD00007906
Molecular Weight 107.15
MOL File 106-49-0.mol

Chemical Properties

Appearance White lustrous plates or leaflets. Soluble in alcohol and ether; very slightly soluble in water. Combustible.
Melting point  41-46 °C(lit.)
Boiling point  200 °C(lit.)
density  0.973 g/mL at 25 °C(lit.)
vapor density  3.9 (vs air)
vapor pressure  0.26 mm Hg ( 25 °C)
refractive index  1.5636
Fp  192 °F
storage temp.  2-8°C
solubility  Soluble in ethanol, pyridine, diethyl ether, acetone, carbon tetrachloride, methanol, carbon disulfide, oils and dilute acids.
form  powder
pka 5.08(at 25℃)
color  tan to brown
Specific Gravity 0.962
Stability: Stable. Incompatible with strong oxidizing agents, strong acids.
explosive limit 6.6%
Water Solubility  1.1 g/100 mL
Sensitive  Air & Light Sensitive
Detection Methods GC,NMR
Merck  14,9536
BRN  471281
Dielectric constant 4.9800000000000004
Exposure limits TLV-TWA skin 2 ppm (~9 mg/m3) (ACGIH); Suspected Human Carcinogen (ACGIH).
LogP 1.39-1.44 at pH7.4-7.5
CAS DataBase Reference 106-49-0(CAS DataBase Reference)
NIST Chemistry Reference p-Toluidine(106-49-0)
EPA Substance Registry System 106-49-0(EPA Substance)

Safety Data

Hazard Codes  T,N
Risk Statements 
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R36:Irritating to the eyes.
R40:Limited evidence of a carcinogenic effect.
R43:May cause sensitization by skin contact.
R50:Very Toxic to aquatic organisms.
Safety Statements 
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S36/37:Wear suitable protective clothing and gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 3451 6.1/PG 2
WGK Germany  2
RTECS  XU3150000
8-23
Autoignition Temperature 899 °F
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  38220000
Safety Profile
Confirmed carcinogen. Poison by ingestion and intraperitoneal routes. Mutation data reported. A severe skin and eye irritant. Flammable when exposed to heat, flame, or oxidizers. Can react vigorously on contact with oxidzing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits highly toxic fumes of NOx. See also o- TOLUIDINE and ANILINE.
Hazardous Substances Data 106-49-0(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 336 mg/kg LD50 dermal Rabbit 890 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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