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Methyl Violet AR Grade Reagent

Cas Number:548-62-9
Formula: C25H30N3Cl
Molar Mass:407.98
EC Number:208-953-6

Quantity:
  • AR
  • LABOR
  • 405932125

Methyl Violet AR Grade Reagent


Cas Number:548-62-9

Formula: C25H30N3Cl

Molar Mass:407.98

EC Number:208-953-6


Properties:

Green with metallic luster crystals or dark green crystalline powder. A hexamethyl derivative which is a by-magenta and contains a small amount of a derivative of tetrakis-pentamethyl. 1 g can be dissolved in 10 ml of ethanol, 15 ml of glycerin, also dissolved in water and chloroform, and the aqueous solution and the ethanol solution are purple, and are hardly soluble in diethyl ether. Moderately toxic, half lethal dose (rat, oral)is 420 mg/kg. Some products are a mixture of pentamethyl and hexamethyl rose aniline.


Usage:

Acid-base indicator, pH 0.5 (green) ~ 2.0 (blue). Non-aqueous solution titration indicator. Photometric determination of arsenic, gold, boron, antimony, silicon, germanium, antimony, bismuth and antimony. Biological staining.


Packing:

500g/25kg





Item of Analysis

Standard

Dyeing test

to pass test



Symbol 

Signal word 

Danger

Hazard statement

H302


H318


H351


H410

Precautionary statements—Prevention

P201


P202


P264


P270


P280


P281

Precautionary statements—Response

P301+P312+P330


P305+P351+P338+P310


P38+P313


P391

Precautionary statements—Storage

P405

UN No.

3077

Hazard Class

9

Package Group

III

Flash point

No Information

Melting point

173℃




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