Annex III Entry 99 17/10/2010

Inorganic sulfites and bisulfites (12)

Inorganic sulfites and bisulfites (12) is listed in Annex III and may only be used under the conditions shown in this record. Maximum concentration in this record: (a) 0.67% (as free SO2) (b) 6.7% (as free SO2) (c) 0.45% (as free SO2) (d) 0.40% (as free SO2).

Restricted substance— Annex III, EU Regulation 1223/2009
Max conc.: (a) 0.67% (as free SO2) (b) 6.7% (as free SO2) (c) 0.4…
Entry: 99

Record details

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 restrictions

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

Chemical name

Inorganic sulfites and bisulfites (12)

Regulatory information

Regulation

(EC) 2009/1223

Identified ingredients

Key data

CAS
EC
Annex
Entry number
99

Inventory links for Inorganic sulfites and bisulfites (12)

Inventory Restriction reference
Ref 37031

POTASSIUM SULFITE

CAS: 10117-38-1 / 23873-77-0
EC: 233-321-1 / -
Inventory Restriction reference
Ref 38095

SODIUM SULFITE

CAS: 7757-83-7
EC: 231-821-4
Annex III 16
Shared product type

1-NAPHTHOL

CAS: 90-15-3
EC: 201-969-4
Annex III 16
Shared product type

1-Naphthol

CAS: 90-15-3
EC: 201-969-4
Annex III 193
Shared product type

ACID RED 52

CAS: 3520-42-1
EC: 222-529-8

What Annex III means for Inorganic sulfites and bisulfites (12)

Inorganic sulfites and bisulfites (12) is a restricted substance under Annex III of EU Cosmetics Regulation 1223/2009. Its use in cosmetics is only permitted under the specific conditions set out in the entry above, including applicable concentration limits, product type restrictions and required warning statements.

When including this substance in a formulation, all conditions — maximum concentration, product scope and warning labels — must be met simultaneously. Compliance with one condition does not override the others.

This record is linked to 7 CosIng inventory ingredients for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

  • Ensure formulation concentration does not exceed: (a) 0.67% (as free SO2) (b) 6.7% (as free SO2) (c) 0.45% (as free SO2) (d) 0.40% (as free SO2)
  • Confirm product type compatibility: (a) Oxidative hair dye products (b) Hair straightening products (c) Self-tanning products for the face (d) Other self-tanning products
  • Document conditions of use in the Product Information File (PIF).

Frequently asked questions

Inorganic sulfites and bisulfites (12) is listed in Annex III of EU Regulation 1223/2009 as a restricted substance. It may only be used under the conditions specified in the entry, including any maximum concentration, product type limitation and required warning statements shown above.

The maximum concentration of (a) 0.67% (as free SO2) (b) 6.7% (as free SO2) (c) 0.45% (as free SO2) (d) 0.40% (as free SO2) applies to the concentration of the substance in the ready-to-use cosmetic product. When the substance is supplied as part of a blend or mixture, the calculation must account for the contribution of all sources in the formulation. The combined concentration must not exceed the stated limit.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.

Source note for Annex III record Inorganic sulfites and bisulfites (12)

This page summarizes one Annex III record for Inorganic sulfites and bisulfites (12) from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex III conditions for Inorganic sulfites and bisulfites (12), but confirm any final regulatory decision against the current official annex wording and source files.

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