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438669

Sigma-Aldrich

Tetramethylammonium silicate solution

15-20 wt. % in H2O, ≥99.99% trace metals basis

Synonym(s):

Tetramethylammonium salt with silicic acid

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About This Item

Linear Formula:
(CH3)4N(OH) · 2SiO2
CAS Number:
Molecular Weight:
211.32
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

≥99.99% trace metals basis

form

liquid

concentration

15-20 wt. % in H2O

density

1.072 g/mL at 25 °C

SMILES string

C[N+](C)(C)C.C[N+](C)(C)C.C[N+](C)(C)C.C[N+](C)(C)C.[O-][Si]([O-])([O-])[O-]

InChI

1S/4C4H12N.O4Si/c5*1-5(2,3)4/h4*1-4H3;/q4*+1;-4

InChI key

APSPVJKFJYTCTN-UHFFFAOYSA-N

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Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Articles

Silica is a very popular inorganic nanomaterial used in a wide range of applications including fillers for rubber, catalyst supports, separation media, carriers in food and agriculture, and abrasive/anticaking agents in cosmetics. It is also widely believed to be an important material for biomedical applications for following reasons.

Hybrid organic-inorganic sol-gel materials containing silica were first called “ORMOSILs” in 1984.

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