Compoatlas

AMMONIUM SULFITE

Official label name (INCI name, EU glossary of cosmetic ingredient names), No 1832

AMMONIUM SULFITE: Cited as an example in a rule, no rule of its own (Annex III, entry 99); preservative allowed under conditions, with limits depending on the product type (Annex V, entry 9), under Regulation (EC) No 1223/2009.

In plain words

What it is used for

Functions declared by manufacturers:

Hair waving or straightening: modifies the chemical structure of the hair, allowing it to be set in the style required.

Preservative: inhibits primarily the development of micro-organisms in cosmetics.

Reducing: changes the chemical nature of another substance by adding hydrogen or removing oxygen.

What the rules say

This name is only cited as an example in an entry of Annex III, which covers a family of substances: the exact conditions depend on the form used.

An ingredient can be used as a preservative only if it appears on the list of Annex V. <function plain_language.<locals>.name at 0x7f1589081620> is on it with a maximum concentration.

The text of the annexes

Allowed with restrictions

CosIng cites the name AMMONIUM SULFITE in this entry, whose regulated name is “Inorganic sulfites and bisulfites (12)”: the title below says which form or use it covers.

Entry
Annex III, No 99
Substance
Inorganic sulfites and bisulfites (12)
Product type
(a) Oxidative hair dye products (b) Hair straightening products (c) Self-tanning products for the face (d) Other self-tanning products
Maximum concentration
(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 conditions
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
Dates in the act (10)
  • Entry into force on 11 January 2010
  • Application from 1 December 2010
    It shall apply from 11 July 2013, with the exception of: — Article 15(1) and (2) which shall apply from 1 December 2010, as well as Articles 14, 31 and 32 to the extent that they are necessary to apply Article 15(1) and (2); and — Article 16(3) second subparagraph, which shall apply from 11 January 2013.
  • Entry into force on 1 December 2010
  • Condition applicable from 11 January 2012
    As from 11 January 2012, by way of derogation from Directive 76/768/EEC, notification carried out in accordance with Article 13 of this Regulation shall be considered to comply with Article 7(3) and Article 7a(4) of that Directive
  • Application from 11 January 2013
    July 2013, with the exception of: — Article 15(1) and (2) which shall apply from 1 December 2010, as well as Articles 14, 31 and 32 to the extent that they are necessary to apply Article 15(1) and (2); and — Article 16(3) second subparagraph, which shall apply from 11 January 2013.
  • Entry into force on 11 January 2013
  • Application from 11 July 2013
    It shall apply from 11 July 2013, with the exception of: — Article 15(1) and (2) which shall apply from 1 December 2010, as well as Articles 14, 31 and 32 to the extent that they are necessary to apply Article 15(1) and (2); and — Article 16(3) second subparagraph, which shall appl
  • Entry into force on 11 July 2013
  • Placing on the market before 11 July 2013
    Article 39 Transitional provisions By way of derogation from Directive 76/768/EEC, cosmetic products which comply with this Regulation may be placed on the market before 11 July 2013.
  • Placing on the market from 11 July 2013
    As from 11 July 2013, a distributor who makes available in a Member State a cosmetic product already placed on the market in another Member State and translates, on his own initiative, any element of the labelling of that product in order to comply with national law, shall submit, by electronic means, the following info

Excerpts from the English text published in the Official Journal. A date may concern only some substances of the act: the excerpt says so.

Preservative allowed under conditions

Entry
Annex V, No 9
Substance
Inorganic sulphites and hydrogensulphites (5)
Glossary names
SODIUM SULFITE / AMMONIUM BISULFITE / AMMONIUM SULFITE / POTASSIUM SULFITE / POTASSIUM hydrogen SULFITE / SODIUM BISULFITE / SODIUM METABISULFITE / POTASSIUM METABISULFITE
CAS
7757-83-7 / 10192-30-0 / 10196-04-0 / 10117-38-1 / 7773-03-7 / 7631-90-5 / 7681-57-4 / 16731-55-8
EC
231-821-4 / 233-469-7 / 233-484-9 / 233-321-1 / 231-870-1 /231-548-0 / 231-673-0 / 240-795-3
Maximum concentration
0.2% (as free SO2)
Dates in the act (10)
  • Entry into force on 11 January 2010
  • Application from 1 December 2010
    It shall apply from 11 July 2013, with the exception of: — Article 15(1) and (2) which shall apply from 1 December 2010, as well as Articles 14, 31 and 32 to the extent that they are necessary to apply Article 15(1) and (2); and — Article 16(3) second subparagraph, which shall apply from 11 January 2013.
  • Entry into force on 1 December 2010
  • Condition applicable from 11 January 2012
    As from 11 January 2012, by way of derogation from Directive 76/768/EEC, notification carried out in accordance with Article 13 of this Regulation shall be considered to comply with Article 7(3) and Article 7a(4) of that Directive
  • Application from 11 January 2013
    July 2013, with the exception of: — Article 15(1) and (2) which shall apply from 1 December 2010, as well as Articles 14, 31 and 32 to the extent that they are necessary to apply Article 15(1) and (2); and — Article 16(3) second subparagraph, which shall apply from 11 January 2013.
  • Entry into force on 11 January 2013
  • Application from 11 July 2013
    It shall apply from 11 July 2013, with the exception of: — Article 15(1) and (2) which shall apply from 1 December 2010, as well as Articles 14, 31 and 32 to the extent that they are necessary to apply Article 15(1) and (2); and — Article 16(3) second subparagraph, which shall appl
  • Entry into force on 11 July 2013
  • Placing on the market before 11 July 2013
    Article 39 Transitional provisions By way of derogation from Directive 76/768/EEC, cosmetic products which comply with this Regulation may be placed on the market before 11 July 2013.
  • Placing on the market from 11 July 2013
    As from 11 July 2013, a distributor who makes available in a Member State a cosmetic product already placed on the market in another Member State and translates, on his own initiative, any element of the labelling of that product in order to comply with national law, shall submit, by electronic means, the following info

Excerpts from the English text published in the Official Journal. A date may concern only some substances of the act: the excerpt says so.

Identity

CosIng identifier
31900
CAS (according to CosIng)
10196-04-0
EC (according to CosIng)
233-484-9
Declared functions
Hair waving or straightening, Preservative, Reducing
Wikidata
Q2336041
ECHA InfoCard
100.030.428
InChIKey
PQUCIEFHOVEZAU-UHFFFAOYSA-N

Elsewhere in the world

Information on other jurisdictions. What is covered, and what is not yet.

United Kingdom (Great Britain)

  • Cited as an example in a rule, no rule of its own (Annex III)
  • Preservative allowed under conditions (Annex V)

Same entries as in the European Union. Conditions (concentrations, warnings) may differ: they are not compared here.

Switzerland

Regulation (EC) No 1223/2009 applies in Switzerland (Article 54 of the Ordinance on Foodstuffs and Utility Articles).

United States, federal rules

None of the integrated sections of the federal code (21 CFR 700.11 to 700.27 and 250.250) targets this name. The FDA does not publish a list of allowed ingredients.

South Korea

  • Restricted: 무기설파이트 및 하이드로젠설파이트류 (AMMONIUM SULFITE)

    별표 2, 보존제 성분 (preservatives), entry 12, page 2-3. Limit: 유리 SO2로 0.2%. Conditions (source text, in Korean): 화학물질명: 암모늄바이설파이트 (CAS No. 10192-30-0) | 화학물질명: 암모늄설파이트 (CAS No. 10196-04-0) | 화학물질명: 포타슘메타바이설파이트 (CAS No. 16731-55-8) | 화학물질명: 포타슘바이설파이트 (CAS No. 4429-42-9) | 화학물질명: 포타슘설파이트 (CAS No. 10117-38-1 23873-77-0) | 화학물질명: 소듐바이설파이트 (CAS No. 7631-90-5) | 화학물질명: 소듐메타바이설파이트 (CAS No. 7681-57-4) | 화학물질명: 소듐디설파이트 (CAS No. 7757-74-6) | 화학물질명: 소듐설파이트 (CAS No. 7757-83-7)

  • Restricted: 무기설파이트 및 하이드로젠설파이트류 (AMMONIUM SULFITE)

    별표 2, 기타 (other substances with limits), entry 30, page 31-32. Limit: 산화염모제에 서 유리 SO2로 0.67%. Conditions (source text, in Korean): 비고: 기타 제품에는 사용금지 | 화학물질명: 소듐설파이트 (CAS No. 7757-83-7) | 화학물질명: 암모늄바이설파이트 (CAS No. 10192-30-0) | 화학물질명: 암모늄설파이트 (CAS No. 10196-04-0) | 화학물질명: 포타슘설파이트 (CAS No. 10117-38-1) | 화학물질명: 포타슘하이드로젠설파이트 (CAS No. 23873-77-0) | 화학물질명: 소듐바이설파이트 (CAS No. 7631-90-5) | 화학물질명: 소듐메타바이설파이트 (CAS No. 7681-57-4) | 화학물질명: 포타슘메타바이설파이트 (CAS No. 16731-55-8)

Brazil

  • Allowed under conditions: Sulfitos e Bisulfitos inorgânicos (*) (SODIUM SULFITE/ AMMONIUM BISULFITE/ AMMONIUM SULFITE/ POTASSIUM SULFITE/ POTASSIUM HYDROGEN SULFITE/ SODIUM BISULFITE/ SODIUM METABISULFITE/ POTASSIUM METABISULFITE)

    RDC 528/2021, Anexo (allowed preservatives), entry 9, page 3. Limit: 0,2% (expresso como SO2 livre).

Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.