OriginProduced from sulfurous acid and ammonia through chemical neutralization and combination reactions. Synthesized by mixing ammonia gas with bisulfite solution to create the ammonium salt compound.
Ammonium bisulfite is colorless crystals which are soluble in water. It is noncombustible. It is corrosive to aluminum. It is a strong irritant to skin and mucous membranes. It is toxic by skin absorption.
Solubility In water: 267 g/100 ml @ 10 °C, 620 G/100 ml @ 60 °C
Formula
H5NO3S
Mol. Weight
99.11
CAS #
10192-30-0
Form
Powder
State
Ammonium bisulfite is colorless crystals which are soluble in water. It is noncombustible. It is corrosive to aluminum. It is a strong irritant to skin and mucous membranes. It is toxic by skin absorp
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Hair Waving Or Straightening
Preservative
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Reducing
Preserves Formula
Reducing Agent
Antioxidant Protection
Fights Bacteria
Reduces Inflammation
Changes hair texture
Prevents microbial growth
Chemical reduction
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
Concentration Guide
0%50%100%
Reg. limit 0.2%
EU regulatory limit: 0.2%. SO2) Source: EU Cosmetics Regulation (EC) 1223/2009, Annex V (Preservatives), Entry 9.
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