Soda Ash

Certificate #: TYP-SODAASH
Lot Number: TYPICAL SAMPLE
Test Date: 2026-07-17
Category: Inorganic Salts / Slurries (F)
CAS Number: 497-19-8
Formula: CNa2O3
Computed Assay: 99.90%(100 − Σ impurities)

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Sample COA. Lot-specific COAs ship with each order.

2D chemical structure of Soda Ash — Structure · PubChem

Last reviewed 2026-05-20.

COA · Answer summary

Typical certificate of analysis for Soda Ash. Lot-specific results ship with every order.

Assay (computed): 99.90%

Specifications

Parameter	Specification	Typical Result	Test Method
Assay	99.5 – 100.5 %	99.9 %	Titration/Gravimetric
Appearance/Odor	—	—	Visual Inspection
Chloride (Cl)	≤ 0.1 %	0 %	ICP
Heavy Metals (as Pb)	≤ 5 ppm	1.5 ppm	ICP-MS (as Pb)
Insoluble Matter	≤ 0.05 %	0.01 %	Gravimetric
Iron	≤ 10 ppm	3 ppm	ICP
Moisture	≤ 0.4 %	0.11 %	Karl Fischer
pH	8 – 8.6	8.3	pH Meter
Sulfate	≤ 0.2 %	0.02 %	ICP-MS

Generated 2026-07-17. Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.