Potassium carbonate is a potassium salt that is the dipotassium salt of carbonic acid.
How much products actually contain
No product states its amount yet.
Of the products containing it, 2 list it before the 1% line and 0 after it (usually 1% or less).
Products using this ingredient
2 of 2 confirmed · likeliest to carry enough first
Definition
Potassium carbonate is a potassium salt that is the dipotassium salt of carbonic acid. It has a role as a fertilizer, a catalyst and a flame retardant. It is a potassium salt and a carbonate salt.
Source: PubChem
US FDA substance register · UNII BQN1B9B9HA · registered name Potassium carbonate · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
Reviewed by CIR: Safety Assessment of Carbonate Salts as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 炭酸K: 本品は、炭酸の二カリウム塩であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 584-08-7
- EC No.EU chemical inventory number
- 209-529-3
- DTXSIDUS EPA chemical ID
- DTXSID2036245
- DTXCIDUS EPA compound ID
- DTXCID0016245
- IUPAC
- Dipotassium carbonate
- Molecular formula
- CK2O3
- Molecular weight
- 138.205 g/mol
Measured properties
- Appearance
- Dry Powder, Other Solid, Large Crystals, CBI, Liquid · White, very deliquescent powder., The hydrate occurs as small, white, translucent crystals or granules
- Odour
- Odorless · odourless
- Boiling point
- Decomposes
- Melting point
- 899 °C · 891 °C
- Solubility
- Very soluble in water. Insoluble in ethanol · For more Solubility (Complete) data for POTASSIUM CARBONATE (6 total), please visit the HSDB record page.
- Density
- 2.29 g/cu cm · 2.29 g/cm³
- pH
- pH = 11.6 (aqueous solution) · 11.6
- Colour
- colourless, white
- Melting/freezing point
- 891 ℃
- Vapour pressure
- 0.0000000000000000244 ㎜Hg (est.)
- Water solubility
- 112 g/100㎖ (20℃)
- Relative density
- 2.29
- n-Octanol/water partition coefficient (Kow)
- -6.19 (est.)
- Molecular weight
- 138.20
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 68 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- pH regulating agent15
- Processing aids not otherwise specified9
- Chelating agent7
- No specific technical function4
- Soil amendments4
- Flavouring and nutrient2
- Leavening agent (EPA)2
- Filler2
17 other uses
- Chemical reaction regulator2
- Surface modifier2
- Flame retardant2
- Fuel2
- Cleaning agent2
- Biocide2
- Ion exchange agent1
- Drier1
- Plating agent1
- Heat stabilizer1
- Other1
- Photosensitive agent1
- Intermediate1
- Hardener1
- Catalyst1
- Solvent1
- Crystal growth modifiers (nucleating agents)1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
3 skin studies and 4 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 7 studies
- Category 6.3A (Category 2)
Skin Irritation · Read Across - Category 2
Skin Irritation · Screening - Classification not possible
Skin Sensitization · Screening - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Category 2A
Eye Irritation · Screening - Serious eye damage/eye irritation - Category 2
Eye Irritation · Screening - Eye damage - category 1
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
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- Nucleophilic Aromatic Substitutions of 2-Halo-5-(sulfamoyl)benzoic Acids and N,O-Bis-alkylation via Phase Transfer Catalysis: Synthesis of RoRγ Inverse Agonist GSK2981278A · 2019
- New multifunctional surfactants from natural phenolic acids. · 2012
- Development of a method to determine albendazole and its metabolites in the muscle tissue of yellow perch using high-performance liquid chromatography with fluorescence detection. · 2011
Linked databases 21
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- PubChem 2
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · Korean · English · Japanese · Chinese