Ingredient Dictionary

MAGNESIUM CARBONATE

Magnesium Carbonate is a basic dehydrated magnesium carbonate or a normal hydrated magnesium carbonate.

How much products actually contain

No product states its amount yet.

Of the products containing it, 23 list it before the 1% line and 6 after it (usually 1% or less).

Products using this ingredient

12 of 27 confirmed · likeliest to carry enough first · See all 27

Definition

Magnesium Carbonate is a basic dehydrated magnesium carbonate or a normal hydrated magnesium carbonate. To identify the colourant meeting the requirements for labelling purposes in the EU, the INCI Name CI 77713 must be used.

Cosmetic roles

Makes a clear formula opaqueOPACIFYINGHolds powders togetherBINDINGAdds bulkBULKINGAbsorbs water or oilABSORBENTAdds colourCOLORANT

Safety & regulatory references

Restricted: European Union
Allowed colourant: European Union · United Kingdom · United States

Source: MFDS (Korea) cosmetic regulatory information · EU Cosmetics Regulation · UK cosmetics regulations (OPSS) · US FDA prohibited and restricted ingredients

EU Cosmetics Regulation, Annex IV (allowed colourants), entry 139

Source: EU allowed colourants (Annex IV)

Restriction IV/139

Source: EU CosIng ingredient list

Reviewed by CIR: Safety Assessment of Carbonate Salts as Used in Cosmetics

Source: US Cosmetic Ingredient Review (CIR)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name 炭酸Ｍｇ: 本品は、塩基性炭酸マグネシウム脱水物又は正炭酸マグネシウム含水物である。

Source: JCIA labelling names (Japan)

Names & identifiers

MAGNESIUM CARBONATEINCI炭酸ＭｇJapanese labelling name

CAS No.chemical registry number: 546-93-0
CAS No.chemical registry number: 546-93-0; 7757-69-9
CAS No.chemical registry number: 7757-69-9
EC No.EU chemical inventory number: 208-915-9

Measured properties

Appearance: Magnesite appears as white, yellowish, grayish-white or brown crystalline solid or crystalline powder. Density: 3-3.1 g cm-3. An important ore for magnesium. Used in the manufacture of materials capable of withstanding very high temperatures. Sometimes used to produce carbon dioxide. · Wet Solid, Other Solid, Dry Powder, CBI, Large Crystals, Liquid
Odour: Odorless
Boiling point: Decomposes (NIOSH, 2024) · Decomposes
Melting point: 662 °F (Decomposes) (NIOSH, 2024) · Decomposes at 350
Solubility: 0.01 % (NIOSH, 2024) · 0.1g/L
Density: 2.96 (NIOSH, 2024) - Denser than water, will sink · 3.0
Stability: STABLE IN AIR

Values measured on the substance itself, not a specification for a commercial raw material.

Source: PubChem