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90-04-0

Name o-Anisidine
CAS 90-04-0
EINECS(EC#) 201-963-1
Molecular Formula C7H9NO
MDL Number MFCD00007688
Molecular Weight 123.15
MOL File 90-04-0.mol

Chemical Properties

Appearance Anisidine exists as ortho-, meta-, and paraisomers. They have characteristic amine (fishy) odors.
Melting point  3-6 °C(lit.)
Boiling point  225 °C(lit.)
density  1.092 g/mL at 25 °C(lit.)
vapor pressure  <0.1 at 25 °C (NIOSH, 1994)
refractive index  n20/D 1.574(lit.)
Fp  210 °F
storage temp.  Refrigerator
solubility  14g/l
form  Powder/Solid
pka 4.52(at 25℃)
color  Off-white
PH 7.3 (1g/l, H2O, 20℃)
Stability: Stable. Incompatible with strong oxidizing agents, acid anhydrides, chloroformates, acids, some plastics, rubber. Air sensitive.
Water Solubility  13 g/L (20 ºC)
Sensitive  Light Sensitive
Detection Methods GC,NMR
Merck  14,667
BRN  386210
Henry's Law Constant 1.25 at 25 °C (approximate - calculated from water solubility and vapor pressure)
Dielectric constant 5.2300000000000004
Exposure limits Potential occupational carcinogen. NIOSH REL: TWA 0.5 mg/m3, IDLH 50 mg/m3; OSHA PEL: TWA 0.5 mg/m3; ACGIH TLV: TWA 0.1 ppm (adopted).
InChIKey VMPITZXILSNTON-UHFFFAOYSA-N
LogP 1.180
Uses
Intermediate for azo dyes and for guaiacol.
CAS DataBase Reference 90-04-0(CAS DataBase Reference)
IARC 2A (Vol. Sup 7, 73, 127)
NIST Chemistry Reference Benzenamine, 2-methoxy-(90-04-0)
Storage Precautions Light sensitive
EPA Substance Registry System 90-04-0(EPA Substance)

Safety Data

Hazard Codes  T,Xi
Risk Statements 
R45:May cause cancer.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R68:Possible risk of irreversible effects.
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) .
RIDADR  UN 2431 6.1/PG 3
WGK Germany  3
RTECS  BZ5410000
8
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29222200
Safety Profile
Confirmed carcinogen. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Hazardous Substances Data 90-04-0(Hazardous Substances Data)
Toxicity
Acute oral LD50 for rats 2,000 mg/kg, wild birds 422 mg/kg, mice 1,400 mg/kg, rabbits 870 mg/kg (quoted, RTECS, 1985).
IDLA 50 mg/m3

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