ZIRCONIUM SILICATE

Chemical FDA Substance Registry (openFDA)

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Chemical Identification

CAS Number	`1344-21-4`
EC Number	`239-019-6`
INCI Name	zirconium(4+) silicate
PubChem CID	61775
Molecular Formula	`O4SiZr`
InChIKey	`InChI=1S/O4Si.Zr/c1-5(2,3)4`
SMILES	`[O-][Si]([O-])([O-])[O-].[Zr+4]`

Known Aliases (15)

Common Name

MICRO-PAX SILICIC ACID (H4SIO4), ZIRCONIUM(4+) SALT (1:1) SILICIC ACID, ZIRCONIUM SALT (1:1) SILICON ZIRCONIUM OXIDE (SIZRO4) SILICON ZIRCONIUM OXIDE (ZRSIO4) ZIRCON ZIRCON FLOUR 100 ZIRCONITE ZIRCONIUM SILICATE [MI] Zirconium silicate [WHO-DD] ZIRCONIUM SILICON OXIDE ZIRCOSIL

INCI Synonym

zirconium orthosilicate; silicic acid, zirconium(4+) salt

Scientific Name

ZIRCONIUM(IV) SILICATE (1:1) ZIRCONIUM ORTHOSILICATE

Data Sources (2)

Source	Source ID	Name in Source	Properties
EU CosIng (Cosmetic Ingredients)	`84616`	ZIRCONIUM SILICATE	status: Active functions: ['Abrasive', 'Opacifying'] item_type: ingredient restriction: II/391 official_journal_publication: Y
FDA Substance Registry (openFDA)	`4SY8H89134`	ZIRCONIUM SILICATE	CAS: 14940-68-2 MESH: C003784 EVMPD: SUB184948 SMS_ID: 100000170785 PUBCHEM: 61775 FDA UNII: 4SY8H89134 WIKIPEDIA: Zirconium silicate EPA CompTox: DTXSID60892246 MERCK INDEX: m11651 ECHA (EC/EINECS): 233-252-7

Record Info

ID	`WwW92hsxy9zyqU7YMBqyp5`
Created	April 10, 2026, 9:58 p.m.
Modified	April 10, 2026, 11:04 p.m.
Enriched	April 11, 2026, 12:09 a.m.
Data Source	FDA Substance Registry (openFDA)