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89583 Sigma-Aldrich

o-Tolidine

technical, ≥97.0% (calc. based on dry substance, NT)

Synonym: 3,3′-Dimethylbenzidine, 4,4′-Bianisidine

  • CAS Number 119-93-7

  • Linear Formula [-C6H3(CH3)-4-NH2]2

  • Molecular Weight 212.29

  •  Beilstein Registry Number 2210640

  •  EC Number 204-358-0

  •  MDL number MFCD00014773

  •  PubChem Substance ID 329769750

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Properties

Related Categories Building Blocks, Chemical Synthesis, Nitrogen Compounds, Organic Building Blocks, Polyamines More...
InChI Key   NUIURNJTPRWVAP-UHFFFAOYSA-N
grade   technical
assay   ≥97.0% (calc. based on dry substance, NT)
impurities   ~15% water
mp   128-131 °C(lit.)

Description

Application

Sensitive colorimetric reagent for gold and for free chlorine in water.

Warning

May be carcinogenic.

Price and Availability


Laboratory Gloves
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
3
RTECS 
DD1225000
Flash Point(F) 
212 °F
Flash Point(C) 
100 °C

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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