Wollastonite is the mineral consisting chiefly of CaSiO.
Definition
Wollastonite is the mineral consisting chiefly of CaSiO.
Cosmetic roles
Scrubs physicallyABRASIVE
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Names & identifiers
WOLLASTONITEINCI규회석Korean label name (MFDS standard)
- CAS No.chemical registry number
- 13983-17-0
- EC No.EU chemical inventory number
- 237-772-5
- DTXSIDUS EPA chemical ID
- DTXSID0024719
Measured properties
- Appearance
- Wollastonite appears as white or slightly cream-colored powder. pH (aqueous slurry) 8.0 to 10.0. (NTP, 1992) · Dry Powder
- Melting point
- 2804 °F (NIOSH, 2024)
- Solubility
- less than 1 mg/mL at 70 °F (NTP, 1992) · Practically insol in water
- Density
- 2.1 at 77 °F (NTP, 1992) - Denser than water, will sink · CaSiO3 species: 2.92
- pH
- pH: 8.9 - 10.0 aq slurry · 8.9~10
- Vapour density
- 4.01
- Relative density
- 2.92
- Molecular weight
- 116.161
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 20 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.
- Filler14
- Pigment3
- Abrasive1
- Surface modifier1
- Processing aids not otherwise specified1
Source: US EPA CompTox dashboard
Related literature
- Biochar affects silicification patterns and physical traits of rice leaves cultivated in a desilicated soil (Ferric Lixisol) · 2021
- Role of heat transfer and thermal conductivity in the crystallization behavior of polypropylene-containing additives: A phenomenological model · 2003
- Metal doped calcium silicate biomaterial for skin tissue regeneration in vitro · 2020
- Waste eggshell valorization in the production of bricks: impact of its addition in different grain-sizes on their mineralogy, physical properties and durability · 2025
- Biochar affects silicification patterns and physical traits of rice leaves cultivated in a desilicated soil (Ferric Lixisol) · 2021
Linked databases 16
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- EU CosIng ingredient list 2
- IARC carcinogen classification
- 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
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US EPA CompTox dashboard
- US EPA DSSTox chemical database
- Wikidata
- Wikipedia · English · Japanese · Chinese