Zirconium silicate

Description

Zirconium silicate · CAS 14940-68-2 · O4SiZr. UNII 4SY8H89134.

Identification

CAS Registry Number	14940-68-2
PubChem CID	61775
Molecular formula	O4SiZr
IUPAC name	zirconium(4+) silicate
UNII (FDA)	4SY8H89134

Computed Descriptors

Molecular Weight	183.30
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	181.861284
Monoisotopic Mass	181.861284
Topological Polar Surface Area	92.2
Heavy Atom Count	6
Formal Charge	0
Complexity	19.1

Physical description & handling notes

• Large Crystals; CBI; Dry Powder
• Dry Powder; Other Solid
• Colorless solid; [Merck Index] Grey powder; [MSDSonline]
• Colorless to greyish-white to red to brown fine powder; Odorless; [Continental Mineral Processing MSDS]
• Zirconium Silicate
• None

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Zirconium Silicate) -> CIR (Cosmetic Ingredient Review)
GHS notification summary	75.9% (189 / 249)

GHS Hazard Classification

GHS notification summary	75.9% (189 / 249)
Reported hazard statements	H315 (24.1%), H319 (24.1%), H332 (24.1%), H335 (24.1%)

Documented Uses

• CIR ingredient: Zirconium Silicate
• Used in refractories, ceramics, glazes, cements, coatings for casting molds, polishing materials, gemstones, and cosmetics; Also used as a catalyst and silicone rubber stabilizer; [Merck Index] Occurs in nature as the mineral zircon; Used as a refractory, abrasive, and to make ceramic glazes and enamels; Also used in the steel and glass industries and in foundries to make molds; [Ullmann]
• Steel Producing [Category: Industry]
• Abrasive Blasting [Category: Clean]
• Molding and Core Making [Category: Foundry]
• Glass Manufacturing [Category: Industry]

Synonyms

Silicic acid, zirconium(4+) salt; 1344-21-4; RefChem:1098530; DTXSID501032382; 215-690-0; Zirconium silicate; 10101-52-7; Zircon; Zircon (Zr(SiO4)); Zirconite; 14940-68-2; Zircosil; Micro-Pax; zirconium(4+);silicate; Zirconium orthosilicate; Zirconium(IV) silicate (1:1)

Frequently Asked Questions

What are the CAS number and molecular formula of Zirconium silicate?

CAS 14940-68-2; molecular formula O4SiZr; molecular weight — g/mol.

What other names is Zirconium silicate known by?

Silicic acid, zirconium(4+) salt, 1344-21-4, RefChem:1098530, DTXSID501032382, 215-690-0, Zirconium silicate.

What is the regulatory status of Zirconium silicate?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Zirconium Silicate) -> CIR (Cosmetic Ingredient Review).

Is Zirconium silicate classified as hazardous?

75.9% of GHS notifications report no hazard classification (189 of 249).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.