Definition
US FDA substance register · UNII Y1X815621J · registered name SODIUM SESQUICARBONATE · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Reviewed by CIR: Re-review Summary of Sodium Sesquicarbonate, Sodium Carbonate and Sodium Bicarbonate as Used in Cosmetics
Reviewed by CIR: Annual Review of Cosmetic Ingredient Safety Assessments - 2004/2005
Reviewed by CIR: Final Report on the Safety Assessment of Sodium Sesquicarbonate, Sodium Bicarbonate, and Sodium Carbonate
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name セスキ炭酸Ｎａ: 本品は、セスキ炭酸のナトリウム塩であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 533-96-0
- EC No.EU chemical inventory number
- 208-580-9
- DTXSIDUS EPA chemical ID
- DTXSID6049646
- DTXCIDUS EPA compound ID
- DTXCID3029605
- IUPAC
- Sodium carbonate hydrogen carbonate (3/1/1)
- Molecular formula
- C2HNa3O6
- Molecular weight
- 189.993 g/mol
Measured properties
- Appearance
- Liquid, Dry Powder, Other Solid · White flakes, crystals or crystalline powder
- Melting point
- Decomposes
- Solubility
- Freely soluble in water · Soluble in water
- Density
- 2.112
- Stability
- Crystals are stable in air /Sodium sesquicarbonate dihydrate/
- Colour
- white
- Water solubility
- 213.6 g/ℓ (20 ℃)
- Vapour density
- 6.56
- Relative density
- 2.112
- Molecular weight
- 189.994
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 28 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.
- Chelating agent15
- pH regulating agent5
- Cleaning agent3
- Processing aids not otherwise specified2
- Filler2
- Soil amendments1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 3 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 5 studies
- Classification not possible
Skin Sensitization · Screening - Category 2
Skin Irritation · Screening - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: OECD 438 according to - Category 2
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
Linked databases 18
- Australian Industrial Chemicals Inventory (AICIS)
- 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
- PubChem
- Tlooto literature search 2 3
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2 3 4
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English · Japanese · Chinese