Sodium silicoaluminate

Description

Sodium aluminosilicate is identified by CAS 1344-00-9, molecular formula AlNaO6Si2 and molecular weight 201.89 g/mol. UNII 058TS43PSM; InChIKey URGAHOPLAPQHLN-UHFFFAOYSA-N. pH: 6.5-10.5 (20% SLURRY).

Identification

CAS Registry Number	1344-00-9
PubChem CID	72941443
Molecular formula	AlNaO6Si2
Molecular weight	201.89 g/mol
IUPAC name	dialuminum;disodium;hexakis(oxygen(2-));silicon(4+);hydrate
InChIKey	URGAHOPLAPQHLN-UHFFFAOYSA-N
UNII (FDA)	058TS43PSM

Computed Descriptors

Molecular Weight	242.04
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	0
Exact Mass	241.899594
Monoisotopic Mass	241.899594
Topological Polar Surface Area	7
Heavy Atom Count	12
Formal Charge	0
Complexity	0

Physical & Chemical Properties

pH	6.5-10.5 (20% SLURRY)

Physical description & handling notes

• Large Crystals; Dry Powder; Other Solid; Wet Solid
• Fine white amorphous powder or beads
• White odorless solid, insoluble in water; [Hawley]
• FINE, WHITE, AMORPHOUS POWDER OR BEADS
• ODORLESS
• TASTELESS

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, FORMULATION AID, HUMECTANT ANTICAKING_AGENT: Food Additives SODIUM ALUMINUM SILICATE NOT SPECIFIED ">TRS 1007-JECFA 84/66 FAS 5/NMRS 53A-JECFA 17/21 (1973)
GHS notification summary	97.4% (559 / 574)

GHS Hazard Classification

GHS notification summary	97.4% (559 / 574)

Documented Uses

• Pulp and Paper Processing [Category: Industry]
• Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Leather Tanning and Processing [Category: Industry]
• FOOD ADDITIVE, ANTICAKING AGENT
• Food Additives -> ANTICAKING_AGENT -> JECFA Functional Classes

Synonyms

Decalso; Zeolex; Decalso F; Alusil ET; Vulkasil A 1; Zeolex 23A; Zeolex 23P; Zeolex 25; Zeolex 35; Sodium silicoaluminate; Zeolex 100; Sasil; Type A Zeolite; Amsr 3; Degussa P820; Valfor zeolite Na-a

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium aluminosilicate?

CAS 1344-00-9; molecular formula AlNaO6Si2; molecular weight 201.89 g/mol.

What other names is Sodium aluminosilicate known by?

Decalso, Zeolex, Decalso F, Alusil ET, Vulkasil A 1, Zeolex 23A.

What is the regulatory status of Sodium aluminosilicate?

Documented regulatory listings: FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, FORMULATION AID, HUMECTANT; ANTICAKING_AGENT: Food Additives; SODIUM ALUMINUM SILICATE.

Is Sodium aluminosilicate classified as hazardous?

97.4% of GHS notifications report no hazard classification (559 of 574).

What are the key physical properties of Sodium aluminosilicate?

pH: 6.5-10.5 (20% SLURRY).

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.