What does the restriction note for AMMONIUM SULFITE mean?

The restriction field for AMMONIUM SULFITE reads: III/99 V/9. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 10196-04-0?

CAS 10196-04-0 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

InventoryRef 3190011/08/2020

AMMONIUM SULFITE

Q: How do I check if my formula contains AMMONIUM SULFITE?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Ammonium sulphite

AMMONIUM SULFITE is linked to 2 EU annex records on this page. Inventory note: III/99 V/9.

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Inventory details for AMMONIUM SULFITE

INCI name

AMMONIUM SULFITE

Description

Ammonium sulphite

Annex records for AMMONIUM SULFITE

Annex III Restriction reference

Entry 99

Inorganic sulfites and bisulfites (12)

Annex V Restriction reference

Entry 9

SODIUM SULFITE / AMMONIUM BISULFITE / AMMONIUM SULFITE / POTASSIUM SULFITE / POTASSIUM hydrogen SUL…

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

Key data

CAS

10196-04-0

233-484-9

Restriction

III/99 V/9

Function

HAIR WAVING OR STRAIGHTENING PRESERVATIVE REDUCING

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

AMMONIUM SULFITE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for AMMONIUM SULFITE reads: "III/99 V/9". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, AMMONIUM SULFITE carries the following function designation(s):

CAS 10196-04-0 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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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.

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Tools & next steps

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