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Product Description

Product Details :

Product Name

: BORAX

C.A.S. No.

: 1303-96-4

Molecular Formula

: Na2B4O7.10H2O

Molecular Weight

: 381.4 g/mol


SPECIFICATION

BP

USP

Description

White or almost white crystalline powder, colorless crystals or crystalline masses, efflorescent.

White or almost white powder, crystalline powder, colorless powder or crystalline masses, efflorescent.

Appearance of solution

4% w/v Solution is clear and colorless

-

Solubility

Soluble in water, very soluble in boiling water and freely soluble in glycerol.

-

Identification

  1. By Color

  2. By Color

  3. Reaction


A: The flame has a green color.

B: Red color became disappear.

C: It gives reaction of Sodium.


A: It gives reaction of Borate

B: It gives reaction of Sodium.

Carbonate & bicarbonate

-

No effervescence is observed.

Heavy Metals

-

NMT 20 ppm

pH (4% w/v solution in water)

9.0 – 9.6

-

Sulphate

NMT50 ppm.

-

Ammonium

NMT10 ppm.

-

Arsenic

NMT 5 ppm.

-

Calcium

NMT100 ppm.

-

Organic Volatile impurities

-

Meets the requirement

Residual Solvents

-

Meets the requirement

Assay Na2B4O7,10H2O

99.0 % - 103.0

99.0 %-105.0 %


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