PRODUCT NAME : Atenolol

TEST

STANDARDS

Description

White to Almost white powder.

Solubility

Sparingly soluble in water; soluble in ethanol, slightly

soluble in methylene chloride; Practically insoluble in ether.

Identification

Complies with BP test B, C & D

Melting range

Between 152 to 155

Appearance of Solution

The solution is clear and not more than intensely coloured

than degree 6 of the range of reference solution of the

most appropriate colour.

Optical Rotation (at 20oc)

Between +0.10 to 0.10

Chlorides

NMT 0.1%

Related Substances
Individual Impurity
Total Impurities

NMT 0.25%
NMT 0.50%

Sulphated Ash

NMT 0.1%

Loss On Drying 
(At 105oC)

NMT 0.5%

Assay 
(On dried basis)

Between 99.0% - 101.0%