Sodium Starch Glycolate (SSG) is a very fine free flowing powder that is white or off white in color and has almost no odor. Its property of insolubility is remarkable, with complete insolubility in most organic solvents, and even in water. It is a sodium salt of carboxyl ether of starch and is appreciated for its stability and binding properties.


It is manufactured by chemical modification of starch, i.e., carboxymethylation to enhance hydrophilicity and cross-linking to reduce solubility.

SynonymSodium carboxymethyl starch
Starch carboxymethyl ether sodium salt
CAS no.9063-38-1
EINECS No618-597-7
Molecular formula(C2H4O3)x·(Na)x
Molecular weight515.69 g/mol
Sodium Starch Glycolate is used as rapid disintegrant that releases the medicine immediately when in contact with water.
It can be used in a direct-compression as well as wet-granulation process.
SSG can also be used as a suspending vehicle.
It acts as a dissolution enhancing agent.
SSG is used as a food stabilizer and as an anti-ageing agent for bread and in manufacturing of ice-creams.
This is used as a component for manufacturing processes in pharmaceuticals, food, textiles, paper and adhesives.
Plant Protection, Biocontrol


AppearanceWhite relatively free flowing powder
A. Spectroscopic Identification testThe IR spectrum is concordant with reference
spectrum of sodium starch glycollate
B. Chemical testAn acidified solution of it is colored blue to violet
C. Chemical testA dense precipitate is formed
D. Chemical testImparts intense yellow color to non-luminious
Assay%2.8 – 4.2
Sodium chloride%NMT 7.0
Sodium glycollate%NMT 2.0
IronppmNMT 20
Microbial contamination1.0 g is free from Escherichia coli and 10.0 g is free from Salmonellae and Escherichia coli.
Total Aerobic microbial countcfu/gNMT 1000
Total yeast and mold countcfu/gNMT 100
Objectionable pathogensStaphylococcus aureus and Pseudomonas aeruginosa absent in 1g


pH5.5 – 7.5
Loss on drying (at 130 °C) for 90 min% w/wNMT 10.0
Particle size
Less than 63μ%NLT 95
Less than 125μ%NLT 100
Elemental ImpuritiesAs per USP/NF
Material complies with specifications of BP, EP, & USP/NF


25 kg HDPE drum


Preserve in well closed containers, preferably protected from wide variations in temperature and humidity which may cause caking.



REACH Status

Not registered

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