Sodium Bisulfite: grade & concentration comparison
Alliance Chemical stocks 8 variants of Sodium Bisulfite (CAS 7631-90-5): ACS Grade 40%, Technical 40%, ACS 25%, Technical 25%, Technical 15%, ACS 10%, Technical 10%, ACS. Compare grade, concentration, and transport classification below, then open the SDS, technical data sheet, or certificate of analysis for the variant you need.
CAS 7631-90-5 · 8 variants
| Variant | Grade | Concentration | Hazard | Documents |
|---|---|---|---|---|
 Sodium Bisulfite 40% ACS Grade | ACS Grade | 40% |   | SDSTDSCOA |
 Sodium Bisulfite 40% Technical Grade | Technical | 40% | | SDSTDSCOA |
 Sodium Bisulfite 25% ACS Grade | ACS | 25% | | SDSTDSCOA |
 Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) | Technical | 25% | | SDSTDSCOA |
 Sodium Bisulfite 15% Technical Grade | Technical | 15% | | SDSTDSCOA |
 Sodium Bisulfite 10% ACS Grade | ACS | 10% | | SDSTDSCOA |
 Sodium Bisulfite 10% Technical Grade | Technical | 10% | | SDSTDSCOA |
 Sodium Bisulfite 15% ACS Grade | ACS | — | | SDSTDSCOA |
About these grades
All variants share CAS 7631-90-5. Grade and concentration determine purity specification and strength; each variant's exact specification, hazard classification, and a certificate of analysis are published by Alliance Chemical and linked above. Lot-specific certificates ship with every order.