Medical Grade BP2017/EP9.0

Appearance: White or Almost white crystalline powder or colourless acicular crystals. Solubility: Slightly soluble in water, freely soluble in ethanol (96 per cent), sparingly soluble in methylene chloride.

Medical Grade CP2015

Appearance and smell: White fine needle crystal or white crystalline powder; odorless or almost odorless. Solubility: Freely soluble in ethanol or ether, soluble in boiling water, sparingly soluble in chloroformslightly soluble in water.

Sublimated Grade Q/83JY02-2017

Appearance: White blocky crystalline or crystalline powder, allowing a little yellow and light pink.

Technical Grade HG/T3398-2003

Appearance: Shallow pink to shallow brown crystalline powder.