Wollastonite

Also known as: CALCIUM METASILICATES, EC 237-772-5, Aedelforsite, Casiflux, Dab-O-lite P 4 (+13 more)

INCI: WOLLASTONITE

Wollastonite (CAS 13983-17-0) is a cosmetic cosmetic ingredient functioning as Bulking agent, opacifying agent, absorbent (calcium silicate mineral). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 13983-17-0 →

Auto-generated CPSR Part A draft with source citations
Function
Bulking agent, opacifying agent, absorbent (calcium silicate mineral)
Safety Rating
GOOD

Chemistry & Identifiers

Formula
CaO3Si
MW
116.16 g/mol
PubChem CID
26370
IUPAC Name
calcium dioxido(oxo)silane
InChIKey
OYACROKNLOSFPA-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted; listed in FDA's Voluntary Cosmetic Registration Program databases; no specific restrictions

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Wollastonite.

Calculate MoS for your specific formulation with the MoS Calculator.

IARC Carcinogenicity

International Agency for Research on Cancer (WHO) monograph evaluation.

IARC Group
3
Volume
Sup 7, 68
Evaluation Year
1996

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (2)
Carcinogen Classification
Wollastonite | Group 3: Not classifiable as to its carcinogenicity to humans | Volume Sup 7: Overall Evaluations of Carcinogenicity: An Updating of IARC Monographs Volumes 1 to 42, 1987; 440 pages; ISBN 92-832-1411-0 (out of print) | Volume 68: (1997) Silica, Some Silicates, Coal Dust and para-Aramid Fibrils
Source: International Agency for Research on Cancer (IARC)
Evidence for Carcinogenicity
Inadequate evidence of carcinogenicity in humans. Inadequate evidence of carcinogenicity in animals. OVERALL EVALUATION: Group 3: The agent is not classifiable as to its carcinogenicity to humans.
Source: Hazardous Substances Data Bank (HSDB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Abrasive Filler Pigment

Expert Verdict

Expert safety assessment and concern-level summary for Wollastonite.

Regulatory Flags

natural-origin

Known Synonyms

CALCIUM METASILICATES EC 237-772-5 Aedelforsite Casiflux Dab-O-lite P 4 EINECS 237-772-5 Gillebachite Kemolit A-60 Kemolit-N Kemolit asb-3 NCI-C55470 Okenite Rivaite Schalstein Tabular spar Vilnite Wollastokup 350 Wollastokup 10014

Chemical Function

Abrasive Filler Pigment

Regulatory Lists

drinking_water; Europe; manufacturing; plastic_additive inert_ingredient; Pesticides inert_ingredient; non_food_use; Pesticides inert_ingredient; non_food_use; Pesticides inert_ingredient; non_food_use; Pesticides

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Wollastonite safe in cosmetics?

Wollastonite has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Wollastonite allowed in the EU?

Wollastonite EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Wollastonite do in cosmetics?

Wollastonite functions as: Bulking agent, opacifying agent, absorbent (calcium silicate mineral). It is classified as a cosmetic ingredient in our database. CAS number: 13983-17-0.

Is Wollastonite used outside cosmetics?

Wollastonite also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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