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119-93-7

Name C.I. 37230
CAS 119-93-7
EINECS(EC#) 204-358-0
Molecular Formula C14H16N2
MDL Number MFCD00014773
Molecular Weight 212.29
MOL File 119-93-7.mol

Chemical Properties

Appearance o-Tolidine is a white to reddish crystal or powder. Darkens on exposure to air. Often used in paste or wet cake form. Used as a basis for many dyes.
Melting point  128-131 °C(lit.)
Boiling point  300.5 °C
density  0.9678 (rough estimate)
refractive index  n20/D 1.341
Fp  244 °C
storage temp.  ?20°C
solubility  2% HCl: 10 mg/mL, clear
Colour Index  37230
form  powder (may contain lumps)
pka 4.59±0.10(Predicted)
color  light brown
Water Solubility  Slightly soluble in water.
Merck  14,9514
BRN  2210640
Exposure limits TLV-TWA none; carcinogenicity: A2 — Suspected Human Carcinogen (ACGIH), Animal Limited Evidence (IARC).
InChIKey NUIURNJTPRWVAP-UHFFFAOYSA-N
IARC 2B (Vol. 1, Sup 7) 1987
NIST Chemistry Reference [1,1'-Biphenyl]-4,4'-diamine, 3,3'-dimethyl-(119-93-7)
EPA Substance Registry System [1,1'-Biphenyl]- 4,4'-diamine, 3,3'-dimethyl-(119-93-7)

Safety Data

Hazard Codes  T,N,F
Risk Statements 
Safety Statements 
RIDADR  UN 3082 9/PG 3
WGK Germany  3
RTECS  DD1225000
8
TSCA  Yes
HazardClass  6.1(b)
PackingGroup  III
HS Code  29215900
Safety Profile
Confirmed carcinogen with experimental carcinogenic and tumorigenic data. Poison by intraperitoneal route. Moderately toxic by ingestion. Human mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Hazardous Substances Data 119-93-7(Hazardous Substances Data)
Toxicity
dog,LDLo,oral,600mg/kg (600mg/kg),Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 58, Pg. 167, 1907.

Hazard Information

Material Safety Data Sheet(MSDS)

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