Silicic acid

ChemicalBook > CAS DataBase List > Silicic acid

Product Name: Silicic acid
CAS No.: 7699-41-4
Chemical Name: Silicic acid
Synonyms: HYDRATED SILICA;PRECIPITATED SILICA;bio-sil;Silicic;Kieselsre;SILICA ACID;metasilicic;kieselsaure;Kieselsre,E551;metasilicicaci
CBNumber: CB7431304
Molecular Formula: H2O3Si
Formula Weight: 78.1
MOL File: 7699-41-4.mol

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Silicic acid Property

Melting point:: 1704℃
solubility: insoluble in H2O; soluble in HF
form: powder
color: White
Dielectric constant: 2.0（Ambient）
CAS DataBase Reference: 7699-41-4(CAS DataBase Reference)
EPA Substance Registry System: Silicic acid (H2SiO3) (7699-41-4)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37
Safety Statements: 22-26-36
WGK Germany: 3
RTECS: VV8853000

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: SIL350
Product name: Silicic acid
Purity: BioReagent, suitable for column chromatography, 100-200 mesh (75 - 150 μm)
Packaging: 100g
Price: $140
Updated: 2024/03/01

Sigma-Aldrich

Product number: SIL350
Product name: Silicic acid
Purity: BioReagent, suitable for column chromatography, 100-200 mesh (75 - 150 μm)
Packaging: 1kg
Price: $723
Updated: 2024/03/01

Sigma-Aldrich

Product number: SILAW
Product name: Silicic acid
Purity: BioReagent, suitable for column chromatography, 200-400 mesh (38 - 75 μm)
Packaging: 100g
Price: $178
Updated: 2024/03/01

Sigma-Aldrich

Product number: SILAW
Product name: Silicic acid
Purity: BioReagent, suitable for column chromatography, 200-400 mesh (38 - 75 μm)
Packaging: 1kg
Price: $880
Updated: 2024/03/01

Sigma-Aldrich

Product number: SILA200
Product name: Silicic acid
Purity: suitable for column chromatography, 60-200 mesh
Packaging: 100g
Price: $112
Updated: 2024/03/01

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Silicic acid Chemical Properties,Usage,Production

Description

Silicic acid is the general name that refers to the group of chemical compounds of the element hydrogen, silicon, and oxygen with the formula [SiOx(OH)4-2x]n. H4SiO4 is the most predominant form. Silicic acid is a hydrated form of silicon dioxide. It belongs to the family of Miscellaneous Silicates. These are inorganic compounds in which the largest metallic oxoanion is silicate, to which either no atom or a non metal atom is bonded. Silicic acid is contained in many foods, such as grain, fruit and vegetables (borage). It is commonly used in the manufacture of toothpastes and as a stationary phase for chromatography.It is utilized for the manufacture catalyst and catalyst carrier. It is involved in tungsten filament production as chemical reagent and flux. Further, it is used for oil and wax decoloring.

Chemical Properties

Amorphous silica, the noncrystalline form of SiO2, is a transparent to gray, odorless, amorphous powder

Uses

Silicic acid is used in protein chromatography. Silicic acid has been used in a study to demonstrate the anti-biofilm potential of a glycolipid surfactant produced by a tropical marine strain of Serratia marcescens. Silicic acid has also been used to study the antioxidant activity of fresh and processed Jalapen?o and Serrano peppers.

Uses

Laboratory reagent and reinforcing agent in rubber.

Definition

The jellylike precipitate obtained when sodium silicate solution is acidified. The proportion of water varies with the conditions of preparation and decreases gradually during drying and ignition, until relatively pure silica remains. During drying the je

Biochem/physiol Actions

Silicic acid polymers are employed in water treatment systems, drug encapsulation cum delivery and for soluble nanoparticle generation. Silicic acid interacts with aluminum and reduces its bioavailability. It is an effective antidote for aluminum poisoning.

Safety Profile

An inhalation hazard. Poison by intravenous route. An eye irritant and nuisance dust. Questionable carcinogen. Mutation data reported. See also other silica entries and SILICATES

Potential Exposure

Amorphous fumed silica is used as a mineral, natural or synthetic fiber. A potential danger to those involved in the production and handling of fumed silica for paint pigments or catalysts. Diatomaceous earth is used in clarifying liquids, in manufacture of fire brick and heat insulators; used as a filtering agent; as a filler in construction materials; pesticides, paints, and varnishes. A potential danger to those involved in mining of diatomaceous earth or fabrication of products there from.

Incompatibilities

Silica, amorphous is a noncombustible solid. Generally unreactive chemically. Incompatible with fluorine, oxygen difluoride, chlorine trifluoride. Soluble in molten alkalis and reacts with most metallic oxides at high temperature.

Waste Disposal

Sanitary landfill.

Silicic acid Preparation Products And Raw materials

Raw materials

Aluminum sulfate

Preparation Products

LITHIUM METASILICATE Aluminum fluoride

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View Lastest Price from Silicic acid manufacturers

Hebei Yanxi Chemical Co., Ltd.

Product: Silicic acid 7699-41-4
Price: US $60.00-26.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 20 tons
Release date: 2023-09-27

Hebei Mojin Biotechnology Co., Ltd

Product: Silicic acid 7699-41-4
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-11-10

Hebei Guanlang Biotechnology Co., Ltd.

Product: Silicic acid 7699-41-4
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2022-10-09

7699-41-4, Silicic acidRelated Search:

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bio-sil

kieselsaure

metasilicic

Silicic acid suitable for column chromatography, 60-200 mesh

silicicacid(h2sio3)

HYDRATED SILICA

SILICA ACID

PRECIPITATED SILICA

SILICIC ACID MESH SIZE: 100-200

SILICIC ACID MESH SIZE: 100+

Silicic acid Suitable for column chroma-tography,100-200 mesh(75-150 μm)

SILICIC ACID MESH SIZE: 200-400

Silicic acid, 100 mesh for chromatography

Silicicacid,amorph

Silicicacidmeshforchromatography

Silicicacidhydrate,ReagentGrade

Silicic

AMORPHOUS-PRECIPITATEDSILICA

polymetasilicic coagulant

Kieselsre,E551

Kieselsre

dihydroxy(keto)silane

metasilicicaci

7699-41-4

1343-98-3

H2SiO2

H2O3Si

SiO2xH2O

H6O7Si2

H8O10Si3

Synthetic Reagents

Inorganic Acids

Inorganics

Acids

Electronic Chemicals

Micro/Nanoelectronics

Adsorption/Partition

Protein Chromatography

Silica