Sodium Metabisulfite: grade & concentration comparison

Alliance Chemical stocks 3 variants of Sodium Metabisulfite (CAS 7681-57-4): ACS Grade, Food Grade, Technical Grade. Compare grade, concentration, and transport classification below, then open the SDS, technical data sheet, or certificate of analysis for the variant you need.

CAS 7681-57-4 · 3 variants

VariantGradeConcentrationHazardDocuments
Alliance Chemical sodium metabisulfite ACS grade in white 2-pound plastic container with secure screw capSodium Metabisulfite - ACS GradeACS Grade—
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmfulGHS pictogram: Health hazard
Danger
SDSTDSCOA
Alliance Chemical sodium metabisulfite food grade in white 2-pound plastic container with screw capSodium Metabisulfite - Food GradeFood Grade—
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmfulGHS pictogram: Health hazard
Danger
SDSTDSCOA
Alliance Chemical sodium metabisulfite technical grade in white 2-pound plastic container with screw-on capSodium Metabisulfite - Technical GradeTechnical Grade—
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmfulGHS pictogram: Health hazard
Danger
SDSTDSCOA

About these grades

All variants share CAS 7681-57-4. 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.