AMMONIUM SULFITE
Ammonium sulphite
AMMONIUM SULFITE is linked to 2 EU annex records on this page. Inventory note: III/99 V/9.
Regulatory evidence by market
This matrix separates verified ingredient rules from sources that are mapped but not yet imported. No imported rule does not mean the ingredient is permitted.
Swipe or scroll horizontally to see every column.
| Market | Evidence status | Records | Source language |
|---|---|---|---|
| European Union | Evidence linked Restricted entry found Open this evidence | 2 | English and EU languages |
| Great Britain | Source mapped Official source mapped; ingredient rule not imported | 0 | English |
| Canada | Source mapped Official source mapped; ingredient rule not imported | 0 | English and French |
| New Zealand | Evidence linked Permitted list with conditions Open this evidence | 1 | English |
| ASEAN | Source mapped Official source mapped; ingredient rule not imported | 0 | English and national languages |
| China | Source mapped Official source mapped; ingredient rule not imported | 0 | Chinese with selected English material |
| Japan | Source mapped Official source mapped; ingredient rule not imported | 0 | Japanese; official English translation available |
| South Korea | Source mapped Official source mapped; ingredient rule not imported | 0 | Korean with some English names |
| United States | Source mapped Official source mapped; ingredient rule not imported | 0 | English |
| Australia | Source mapped Official source mapped; ingredient rule not imported | 0 | English |
| Brazil | Source mapped Official source mapped; ingredient rule not imported | 0 | Portuguese with INCI crosswalks |
| India | Source mapped Official source mapped; ingredient rule not imported | 0 | English and Hindi |
| Saudi Arabia | Source mapped Official source mapped; ingredient rule not imported | 0 | Arabic and English |
Chemical identity and properties
Ammonium Sulfite
Ammonium sulfite is a colorless crystalline solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used in the manufacture of other chemicals, in medicine, and photography. — CAMEO Chemicals
- IUPAC name
- diazanium;sulfite
- Molecular formula
- H8N2O3S
- Molecular weight
- 116.14 g/mol
- Exact mass
- 116.02556330 Da
- Topological polar surface area
- 84.4 Ų
- Hydrogen-bond donors
- 2
- Hydrogen-bond acceptors
- 4
- Covalent units
- 3
- Defined stereocentres
- 0
Also known as
13 more reported names
External database identifiers
- ChEBI:CHEBI:186946
- EPA DTXSID:DTXSID2064991
Evidence from additional scientific databases
EMBL-EBI ChEBI
Diammonium sulfite
- Formula
- 2H4N.O3S
- Average mass
- 116.142 g/mol
- Monoisotopic mass
- 116.02556 Da
- Formal charge
- 0
- p-block molecular entity — is a (CHEBI:33675)
- sulfite salt — is a (CHEBI:48857)
- p-block molecular entity — is a (CHEBI:33675)
- sulfite salt — is a (CHEBI:48857)
Additional curated names
Cross-references from this source
- CAS: 10196-04-0 — ChemIDplus
- MANUAL_X_REF: 23404 — ChemSpider
Mapped by: Exact CAS cross-reference in the ChEBI compound record. Retrieved: 2026-08-31. Open source record
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Color/Form: White, solid Source: Hazardous Substances Data Bank (HSDB)
- Density: greater than 1.1 at 68 °F (USCG, 1999) Source: CAMEO Chemicals
- Density: 1.41 @25 °C Source: PAC Chemical Database, U.S. Department of Energy
- Odor: Odorless Source: Hazardous Substances Data Bank (HSDB)
- Physical Description: Ammonium sulfite is a colorless crystalline solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used in the manufacture of other chemicals, in medicine, and photography. Source: CAMEO Chemicals
- Physical Description: Large Crystals; Dry Powder; Liquid Source: EPA Chemical Data Reporting (CDR)
- Physical Description: White odorless solid; [HSDB] White odorless crystalline solid; [MSDSonline] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Solubility: Soluble in water, almost insoluble in alcohol, acetone. Source: Hazardous Substances Data Bank (HSDB)
- pH: Its aq soln is alkaline to litmus. /ammonium sulfate monohydrate/ Source: Hazardous Substances Data Bank (HSDB)
- First Aid: INHALATION: move to fresh air.; INGESTION: give large amount of water; get medical attention.; EYES: flush with water for 15 min.; SKIN: flush with water. (USCG, 1999) Source: CAMEO Chemicals
- Note: This chemical does not meet GHS hazard criteria for 71.1% (133 of 187) of all reports. Source: European Chemicals Agency (ECHA)
- Signal: Danger Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H314 (13.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]; H315 (15%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (15.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H335 (10.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P319, P321, P332+P317, P337+P317, P362+P364, P363, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 187 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 133 of 187 reports by companies.; There are 5 notifications provided by 54 of 187 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Signal: Danger Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- GHS Hazard Statements: H302: Harmful if swallowed [Warning Acute toxicity, oral]; H318: Causes serious eye damage [Danger Serious eye damage/eye irritation] Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- Precautionary Statement Codes: P264, P264+P265, P270, P280, P301+P317, P305+P354+P338, P317, P330, and P501 (click each P-code to see the statement) Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- Cosmetic Ingredient Review Finding(s): Safe in the present practices of use and concentration. Ingredient, concentration, and use information are available in documents discoverable at https://cir-reports.cir-safety.org Source: Cosmetic Ingredient Review (CIR)
- Consumer Uses: Soil amendments (fertilizers); Reducing agent; Processing aids not otherwise specified Source: EPA Chemical Data Reporting (CDR)
- Industry Uses: Intermediate; Soil amendments (fertilizers); Reducing agent; Preservative; Processing aids not otherwise specified Source: EPA Chemical Data Reporting (CDR)
- Cosmetic Ingredient Review Link: CIR ingredient: Ammonium Sulfite Source: Cosmetic Ingredient Review (CIR)
- Sources/Uses: Used in photography and in the production of caramel, refractory bricks, lubricants, medicines, permanent wave solutions, ammonium thiosulfite, and ammonium chloride; [HSDB] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Industrial Processes with risk of exposure: Photographic Processing [Category: Other]; Dressing Hair [Category: Other] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Uses: IN PRODN OF CARAMEL. Source: Hazardous Substances Data Bank (HSDB)
- Uses: In photography; as reducing agent; in bricks for blast furnace linings; in lubricants for metal cold-working. Source: Hazardous Substances Data Bank (HSDB)
- Uses: ... Medicine, permanent wave solns. /Ammonium sulfite monohydrate/ Source: Hazardous Substances Data Bank (HSDB)
- Uses: Used in production of ammonium thiosulfite. Source: Hazardous Substances Data Bank (HSDB)
- Uses: For more Uses (Complete) data for AMMONIUM SULFITE (6 total), please visit the HSDB record page. Source: Hazardous Substances Data Bank (HSDB)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| EMBL-EBI ChEBI | Exact match | 2026-08-31 |
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for AMMONIUM SULFITE
INCI name
AMMONIUM SULFITE
Description
Ammonium sulphite
Record provenance
- Inventory reference
- 31900
- Imported identity
- AMMONIUM SULFITE
- Source update
- 11/08/2020
Annex records for AMMONIUM SULFITE
SODIUM SULFITE / AMMONIUM BISULFITE / AMMONIUM SULFITE / POTASSIUM SULFITE / POTASSIUM hydrogen SUL…
Key data
- HAIR WAVING OR STRAIGHTENING
- Modifying the chemical structure of the hair, allowing it to be set in the style required (permanent waves or hair straightening).
- PRESERVATIVE
- Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.
- REDUCING
- Changing the chemical nature of another ingredient by adding hydrogen (or removing oxygen).
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
The 2 markets that hold a rule for this substance do not classify it the same way.
- restricted
- European Union
- permitted on a positive list
- New Zealand
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How AMMONIUM SULFITE appears in the CosIng inventory
The CosIng inventory lists AMMONIUM SULFITE as a cosmetic ingredient and this page links it to 2 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
AMMONIUM SULFITE is also tagged with 3 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for AMMONIUM SULFITE
This page combines the CosIng inventory entry for AMMONIUM SULFITE with 2 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.
Use this inventory page to research AMMONIUM SULFITE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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