Sodium Starch Glycolate BP
Sodium starch glycolate is the sodium salt of carboxymethyl ether. Sodium starch glycolate is a white to off-white, tasteless, odorless, relatively free flowing powder.
Sodium starch glycolate is used as a pharmaceutical grade dissolution excipient for tablets and capsules. It is used as a disintegrant, a suspending agent and as a gelling agent.
Chemical Name: Sodium Starch Glycolate
|Characters||It occurs as a white or almost white, fine, free flowing powder, very hygroscopic|
(a)Test for pH
(b)Specified Test. A suspension forms that settles after standing.
(c)Specified Test. The solution becomes blue or violet
(d) Solution gives the reaction of sodium
|Solubility||Practically insoluble in methylene chloride. It gives a translucent suspension in water|
|Appearance of solution||The solution is clear and colorless|
|pH||5.5 to 7.5|
|Sodium Glycolate||Not more than 2.0%|
|Sodium Chloride||Not more than 7.0%|
|Iron||Not more than 20 ppm|
|Heavy metals||Not more than 20 ppm|
|Loss on drying||Not more than 10.0%|
|Assay||Not more than 2.8% and not less than 4.2% of Na|
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
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We observe WHO Good manufacturing practice and Good laboratory practice.