Sodium Carbonate IP

FINISHED PRODUCT SPECIFICATION

• QCD.F.033
• Name of Product : SODIUM CARBONATE (Anhydrous)
• Chemical Formula : Na2CO3 Effective Date : 30/11/2016
• Molecular Weight : 105.99 g/mol Retest Date : After 1 Year
• CAS No. : 497-19-8 Master Copy : Quality Control
• Specification : Confirmed as IP
• Product Code : FP024004
• HSN Code : 28362090
• Department : Quality Control Page No. : 01 of 01

NO. TEST SPECIFICATION

1. DESCRIPTION White or almost white, slightly granular powder, hygroscopic

2. SOLUBILITY Freely soluble in water, practically insoluble in ethanol (95%).

3. Identification

A) By Chemical A) The solution is strongly alkaline

B) The reaction A of Carbonates The reaction of Sodium salts 

B) A white precipitate is formed that dissolves on addition of an excess of hydrochloric acid

A white precipitate is formed.

4. Appearance of solution The solution is clear and not more intensely coloured than reference solution YS6

5. Alkali hydroxides and bicarbonates

The solution does not become red after addition ofphenolphthalein. Boil the remainder of the filtrate for 2 min.

The solution remains clear.

6. Heavy metals Max.0.005%

7. Chloride Max.0.0125%

8. Iron Max.0.005%

9. Sulphate Max.0.025%

10. Loss on drying Not more than 1.0 % w/w at 300

11. Assay (By Titrimetry) 99.5 % w/w to 100.5% w/w of Na2CO3 on dried basis.

Storage : Hygroscopic. Keep container tightly closed. Keep container in a cool, well ventilated area.

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