Sodium Carbonate Anhydrous

Product Category: Pharmaceutical Intermediates

CAS No.: 497-19-8
Formula: Na₂CO₃
Molecular Weight: 105.99
Characters: colorless transparent crystal, can be easily weathered, easily soluble in water, insoluble in ethanol, aqueous solution is highly basic.
Product Usage: As analytical reagent, such as standard reagent, precipitator and buffering agent; used in the preparation of sodium salt and photofinishing.
Packaging: 25Kg/woven bag with double PE liners
Storage Precautions: Protect against fire, rain, damage or pollution.
Specifications:

Sodium Carbonate Anhydrous	A.R.	C.P.	BP2007
Assay(Na2CO3)%	≥99.8	≥99.8	≥99.8
Clarification Examination	Pass	Pass	Pass
Water insoluble%	≤0.01	≤0.02	-
Residue on Ignition(300℃)%	≤1.0	≤1.0	-
Chlorides(Cl) %	≤0.002	≤0.005	≤0.0125
Sulphates(SO4) %	≤0.005	≤0.01	≤0.025
Nitrogen compound(N) %	≤0.001	≤0.002	-
Phosphate and Silicate(SiO3)）%	≤0.006	≤0.013	-
Magnesium (Mg)%	≤0.002	≤0.005	-
Aluminum (Al) %	≤0.0003	≤0.01	-
Potassium (K)%	≤0.005	≤0.02	-
Calcium (Ca)%	≤0.01	≤0.02	-
Arsenic (As)%	-	-	≤0.0005
Iron (Fe)%	≤0.0005	≤0.001	≤0.005
Loss on drying(%)	-	-	≤1.0
Heavy metals (as Pb) %	≤0.0005	≤0.001	≤0.005
Alkali Hydroxide and Bicarbonates	-	-	Conform

Certifications: ISO
Brand Name: SELLWELL
Price Terms: EX-Work,FOB,CIF
Payment Terms: T/T, Western-Union, MoneyGram, L/C
Minimum Order: 100KG
Delivery Time: 7 days