Boric Acid

Boric Acid BP

Code Number

67063

Synonym

Orthoboric Acid

CAS No.

10043-35-3

Molecular Formula

H3BO3

Molecular Weight

61.8

Description

White Or Almost White, Crystalline Powder, Colorless Shiny Plates Greasy To The Touch Or White Or Al

Solubility

Soluble In Water & In Ethanol (96%) , Freely Soluble In Boiling Water & Glycerol (85%)

Identification (Test A & B)

PER BP

Appearance Of Soln

3.3 % Solution In Water Is Clear And Colorless

Ph (3.3%)

3.8 - 4.8

Solubility In Ethanol (96%)

The Solution Is Not More Opalescent Than Reference Suspension Ii And Is Colourless

Organic Matters

It Does Not Darken On Progressive Heating To Dull Redness

Sulphate

MAX. 0.0450%

Heavy Metals

MAX. 0.0015%

Residual Solvents

PER BP

Assay

99 - 100.5% OF H3BO3