Definition
US FDA substance register · UNII 8MW949D9GE · registered name AMMONIUM BISULFITE · single chemical substance
Ammonium Bisulfite is an inorganic salt that conforms to the formula:
Cosmetic roles
Safety & regulatory references
- Restricted
- China · South Korea · Taiwan
Source: MFDS (Korea) cosmetic regulatory information
Argentina · Brazil
- Field of application and/or use : (a) an oxidizer in hair dyes (b) straighteners hair products (c) facial sunless d) Other self-tanning
- Maximum concentration permitted at final product : (a) 0,67% expressed as SO 2free (b) 6.7% expressed as SO 2 free (c) 0.45% expressed as SO 2free d) 0,40% expressed as SO 2free
ASEAN
- Field of application and/or use : (a) Oxidative hair dye products (b) Hair straightening products (c) Self- tanning products for the face (d) Other self- tanning products
- Maximum authorised concentration in the finished cosmetic product : (a) 0.67 % expressed as free SO2 (b) 6.7 % expressed as free SO2 (c) 0.45 % expressed as free SO2 (d) 0.40 % expressed as free SO2
- Other limitations and requirements : For purposes other than inhibiting the development of microorganisms in the product. This purpose has to be apparent from the presentation of the product As a preservative, see Annexe VI, Part 1, No 9
European Union
- Product Type, body parts : (a) Oxidative hair dye products (b) Hair straightening products (c) Self-tanning products for the face (d) Other self-tanning products
- Maximum concentration in ready for use preparation : (a) 0.67% (as free SO2) (b) 6.7% (as free SO2) (c) 0.45% (as free SO2) (d) 0.40% (as free SO2)
- Other : For purposes other than inhibiting the development of micro-organisms in the product. This purpose has to be apparent from the presentation of the product
- Maximum concentration in ready for use preparation : 0.2% (as free SO2)
Source: MFDS (Korea) cosmetic regulatory information
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Restriction III/99 V/9
Source: EU CosIng ingredient list
Reviewed by CIR: Final Report on the Safety Assessment of Sodium Sulfite, Potassium Sulfite, Ammonium Sulfite, Sodium Bisulfite, Ammonium Bisulfite, Sodium Metabisulfite, and Potassium Metabisulfite
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 亜硫酸水素アンモニウム: 本品は、次の化学式で表される無機塩である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 10192-30-0
- EC No.EU chemical inventory number
- 233-469-7
- DTXSIDUS EPA chemical ID
- DTXSID1050462
- DTXCIDUS EPA compound ID
- DTXCID7029459
- IUPAC
- Ammonium hydrogen sulfite
- Molecular formula
- H5NO3S
- Molecular weight
- 99.1 g/mol
Measured properties
- Appearance
- 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. · Ammonium bisulfite is a solution of yellow crystals. It is a strong irritant to skin and mucous membranes. It is toxic by skin absorption. It may be corrosive to metals.
- Boiling point
- Sublimates at 302.0 °F (USCG, 1999) · at 101.1kPa: 100 °C
- Melting point
- -10 °C
- Solubility
- In water: 267 g/100 ml @ 10 °C, 620 G/100 ml @ 60 °C · In water: 71.8 g/100 ml @ 0 deg
- Density
- 2.03 at 68 °F 1.40 (72% aqueous solution) (USCG, 1999) - Denser than water, will sink · Sp gr: 2.03
- Melting/freezing point
- 147 ℃
- Relative density
- 2.03 ()
- Decomposition temperature
- 150 ℃
- Molecular weight
- 99.12
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 17 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Soil amendments4
- Intermediate3
- pH regulating agent2
- Processing aids not otherwise specified2
- Reducing agent2
- Chemical reaction regulator1
- Solids separation (precipitating) agent, not other1
- Preservative1
1 other uses
- Hair waving or straightening (EPA)1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 2 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 4 studies
- Category 8.2C (Category 1C)
Skin Irritation · Read Across - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) adopted 2002-04-24 equivalent or similar to - Category 8.3A (Category 1)
Eye Irritation · Read Across - Eye damage - category 1
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
Linked databases 17
- Australian Industrial Chemicals Inventory (AICIS)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic regulatory information 2 3
- PubChem
- Tlooto literature search 2
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · Chinese