Silicic acid (H2SiO3), potassium salt (1:2)

HCID 66200CAS 10006-28-7

Substructure search Find similar structures

Basic information

Standard SMILES: O=[Si]([O-])[O-].[K+].[K+]
InChIKey: NNHHDJVEYQHLHG-UHFFFAOYSA-N
Molecular formula: K2.Si.O3
Average molar mass: 154.28 g/mol
Monoisotopic mass: 153.88908375

Names & identifiers

Preferred name: Silicic acid (H2SiO3), potassium salt (1:2)
IUPAC: dipotassium;dioxido(oxo)silane
English name: dipotassium silicate
Molecular formula: K2O3Si
Molecular weight: 154.2803

Names & synonyms

Dipotassium silicateSilicic acid (H2SiO3), dipotassium saltEINECS 233-001-1Silicic acid (H2SiO3), potassium salt (1:2)RefChem:885450233-001-110006-28-7dipotassium;dioxido(oxo)silanePOTASSIUMSILICATEMFCD00145152Dipotassium metasilicateK2O3Si

Show more names

DikaliumsilicatSilicic acid,dipotassium saltSilicic acid, dipotassium saltdipotassium,dioxido(oxo)silaneMetasilicic acid dipotassium salt

SCHEMBL25987DTXSID20893092BAA31276AKOS030228229DIPOTASSIUM OXOSILANEBIS(OLATE)NS00081328Q419390

Database identifiers

CAS: 10006-28-7
PubChem CID: 66200
DTXSID: DTXSID20893092
EC Number: 233-001-1

Properties

Computed structural properties

Topological polar surface area: 63.2 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 3
Rotatable bonds: 0
Heavy atoms: 6
Formal charge: 0
Complexity: 18.8

Experimental & physicochemical properties

Physical DescriptionLiquid

Physicochemical properties

Stability: Stable.
EPA Substance Registry System: Silicic acid (H2SiO3), dipotassium salt (10006-28-7)
Signal word: Danger
Hazard statements: 335 · H335-H314
Precautionary statements: 260 · P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501
TSCA: TSCA listed

Safety & regulation

GHS classification

GHS Classification · 6 items

Danger

H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P261, P264, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P319, P321, P363, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 39 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Danger

H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

Hazard information

Regulatory Information · 3 items

Chemical: Silicic acid (H2SiO3), dipotassium salt

Silicic acid (H2SiO3), potassium salt (1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silicic acid (H2SiO3), potassium salt (1:2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Silicic acid (H2SiO3), dipotassium salt: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Other Safety InformationIMAP assessments - Soluble silicates: Human health tier II assessment

Hazard Classes and CategoriesSkin corrosion - category 1

Safety & protection

Protective Action Criteria (PAC) · 3 items

3.5 [mg/m3]

38 [mg/m3]

230 [mg/m3]

Safety data

tsca: TSCA listed
Signal word: Danger
Hazard statements: H335-H314
Precautionary statements: P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501