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o-TOLIDINE AR

Reagent for the halogens and gold.
3,3'-Dimethylbenzidine; 4,4'-Bianisidine

COAs

Packings

25 g (00025)

100 g (00100)

1GBA000120 1GBA000450
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Article No. 06335 Grade AR
Purity 98% CAS No. 119-93-7
Molecular Formula C14H16N2 Molecular Weight 212.30
H.S. Code 2921.4330 Shelf Life 36 Months

Physical Properties

Physical state at 20 °C Solid Colour White to light brown
Odour Amine like Melting point/ Freezing point [°C] 128 - 131 °C
Auto-ignition temperature [°C] 480°C Flash point [°C] 100 °C
Boiling point [°C] 200 °C Vapour pressure [20°C] 0.2 mbar @ 20°C
Vapour density 3.7 Density [g/cm3] 1.004
Solubility in water [% weight] Slightly soluble in water Partition coefficient Log Pow octanol / water at 20°C 2.34
Explosion limits - upper [%] 7.50% Explosion limits -lower [%] 1.50%

Specifications

Appearance White to light brown crystalline powder Assay Min 98%
Melting point 125-130°C Sulphated ash Max 0.1%

Safety Information and Hazard Symbols

Exclamation Mark Environment Health Hazard
Symbol: GHS07, GHS08, GHS09
 Signal Word: Danger
 UN No.: 3077
 IMCO Class No.: 9
 Packing Group: III
 Hazardous Statement: H302-H350-H411
 Precaution Statement: P201-P273-P308 + P313
Revision Date: 28-Jun-2024

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