Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Sodium Bisulfite 15% Technical Grade
Technical · 15%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 7631-90-5
- Structure
Structure · PubChem - Grade
- Technical · 15%
- Assay specification
- 14.5 - 15.5 % by wt
- Answer summary
Sample specification reference for Sodium Bisulfite 15% Technical Grade. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (NaHSO3) | 14.5 - 15.5 % by wt | 15.0 % | — |
| SO2 available | 8.8 - 9.7 % by wt | 9.25 % | — |
| Iron (Fe) | 5.6 ppm max | 0.68 ppm | — |
| Sodium sulfate | 1.3 % max | 0.32 % | — |
| Composition | 15 % sodium hydrogen sulfite in deionized water, by weight | Conforms | By formulation; confirmed by specific gravity |
Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.
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