Basic information Overview Toluidine Isomers Chemical and Physical Properties Synthesis Method Hazard Occasions Toxicity Transportation Storage Identification Applications Specific determination of glucose Separation of toxic metal ions First-aid Protective Measures The Detection of blood glucose Fire Extinguishant Occupational Standard Safety Related Supplier
o-Toluidine Structure

o-Toluidine

Chemical Properties

Melting point -23 °C
Boiling point 199-200 °C(lit.)
Density  1.008 g/mL at 25 °C(lit.)
vapor density  3.7 (vs air)
vapor pressure  0.26 mm Hg ( 25 °C)
refractive index  n20/D 1.572(lit.)
Flash point 185 °F
storage temp.  2-8°C
solubility  1.5 g/100 mL (25°C)
Colour Index  37077
pka 4.44(at 25℃)
form  liquid
color  light yellow to light amber
PH 7.4 (H2O, 20℃)Aqueous solution
Odor Aromatic, aniline-like.
explosive limit 1.5-7.5%(V)
Water Solubility  1.5 g/100 mL (25 ºC)
Sensitive  Air & Light Sensitive
Merck  14,9536
BRN  741981
Henry's Law Constant 1.98 at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
Exposure limits TLV-TWA 2 ppm (~9 mg/m3) (ACGIH), 5 ppm (~22 mg/m3) (MSHA, OSHA, and NIOSH); IDLH level 100 ppm (NIOSH); carcinogenicity: Suspected Human Carcino gen (ACGIH), Human Limited Evidence (IARC).
Dielectric constant 6.3399999999999999
InChIKey RNVCVTLRINQCPJ-UHFFFAOYSA-N
LogP 1.4 at 24.5℃
CAS DataBase Reference 95-53-4(CAS DataBase Reference)
IARC 1 (Vol. Sup 7, 77, 99, 100F) 2012
NIST Chemistry Reference Benzenamine, 2-methyl-(95-53-4)
EPA Substance Registry System o-Toluidine (95-53-4)

Safety Information

Hazard Codes  T,N,F
Risk Statements  45-23/25-36-50-35-20/22-10-39/23/24/25-23/24/25-11
Safety Statements  53-45-61-36/37/39-26-36/37-16-7
RIDADR  UN 2920 8/PG 1
WGK Germany  3
RTECS  XU2975000
8-10-23
Autoignition Temperature 899 °F
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  29214300
Hazardous Substances Data 95-53-4(Hazardous Substances Data)
Toxicity LD50 orally in rats: 0.94 g/kg (Smyth)
IDLA 50 ppm

MSDS

Usage And Synthesis

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