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SILICA

Product Name
SILICA
CAS No.
14464-46-1
Chemical Name
SILICA
Synonyms
SIO2;KIESELGUHR;SILICON OXIDE;SAND;QUARTZ SAND;SILICA GEL 60;CRISTOBALITE;SILICA SAND;SILICON (IV) OXIDE;DESICCANT
CBNumber
CB5199387
Molecular Formula
O2Si
Formula Weight
60.08
MOL File
14464-46-1.mol
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SILICA Property

Melting point:
1610 °C(lit.)
Boiling point:
>100 °C(lit.)
Density 
2.6 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.544(lit.)
storage temp. 
2-8°C
solubility 
insoluble in H2O, acid solutions; soluble in HF
form 
tablets (~0.5 g each)
color 
colorless hexagonal, hexane crystals, crystalline
crystal system
square
Space group
P42212
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.4980.4980.6949090900.1721
InChIKey
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
EPA Substance Registry System
Cristobalite (14464-46-1)
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Safety

Hazard Codes 
Xn,T
Risk Statements 
48/20
Safety Statements 
22
OEB
D
OEL
TWA: 0.05 mg/m3
WGK Germany 
3
RTECS 
VV7340000
F 
3
HS Code 
28112290
Toxicity
TCLo inhalation in human: 16mppcf/8H/17
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P314Get medical advice/attention if you feel unwell.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
NIST1879A
Product name
Respirable cristobalite
Purity
NIST? SRM? 1879a, quantitative X-ray powder diffraction standard
Packaging
5G
Price
$1780
Updated
2024/03/01
SynQuest Laboratories
Product number
M014-0-01
Product name
Silicon(IV) oxide
Purity
99.999%
Packaging
25g
Price
$112
Updated
2021/12/16
SynQuest Laboratories
Product number
M014-0-01
Product name
Silicon(IV) oxide
Purity
99.999%
Packaging
100g
Price
$192
Updated
2021/12/16
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SILICA Chemical Properties,Usage,Production

Chemical Properties

Silicon dioxide/crystalline silica is a component of many mineral dusts and materials which melts to a glass at very high temperature.

Uses

Because of its unique physical and chemical properties, crystalline silica has many uses. Commercially produced silica products include quartzite, tripoli, ganister, chert, and novaculite. Crystalline silica also occurs in nature as agate, amethyst, chalcedony, cristobalite, flint, quartz, tridymite, and, in its most common form, sand (IARC 1997). Naturally occurring silica materials are classified by end use or industry. Sand and gravel are produced almost exclusively for road building and concrete construction, depending on particle size and shape, surface texture, and porosity (IARC 1987).

Definition

A hygroscopic substance such as activated alumina, calcium chloride, silica gel, or zinc chloride. Such substances adsorb water vapor from the air and are used to maintain a dry atmosphere in containers for food packaging, chemical reagents, etc.

Definition

Cristobalite: a mineral form of silicon(IV) oxide, SiO2.

General Description

Rounded silica sand is the naturally occurring sand usually mined from glacial deposits, sometimes called Ottawa sands. Silica sand is essentially made of quartz (SiO2 ) grains.
Pressure range: 28 < σc < 35 MPa (4 < σc < 5 ksi)
Advantages: Low cost, low density, wide availability, and excellent chemical resistance in acidic media except those containing free HF
Drawbacks: Low permeability, low crushing strength, and poor resistance to flow back

Safety Profile

Confirmed carcinogen with experimental carcinogenic and tumorigenic data. Poison by intratracheal route. An inhalation hazard. Human systemic effects by inhalation: cough, dyspnea, fibrosis. About twice as toxic as silica in causing sihcosis. See also other sdica entries

Potential Exposure

Cristobalite is used in the manufacture of water glass, refractories, abrasives, ceramics and enamels. Quartz is used as a mineral, natural or synthetic fiber. Tridymite is used as a filtering and insulating media and as a refractory material for furnace linings. Workers are potentially exposed to crystalline silica in such industries as granite quarrying and cutting, foundry operations; metal, coal, dentistry, painting, and nonmetallic mining; and manufacture of clay and glass products.

Carcinogenicity

Respirable crystalline silica, primarily quartz dusts occurring in industrial and occupational settings, is known to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in humans. Respirable crystalline silica was first listed in the Sixth Annual Report on Carcinogens in 1991 as reasonably anticipated to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in experimental animals; the listing was revised to known to be a human carcinogen in the Ninth Report on Carcinogens in 2000.

Incompatibilities

Violent reactions with powerful oxidizers: fluorine, chlorine trifluoride; manganese trioxide; oxygen difluoride, hydrogen peroxide, etc.; acetylene; ammonia.

Waste Disposal

Sanitary landfill

SILICA Preparation Products And Raw materials

Raw materials

Preparation Products

5-AMINO-3-(4-METHOXYPHENYL)ISOXAZOLE 2-Bromo-4'-methoxyacetophenone
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SILICA Suppliers

Australia 1 Canada 1 China 191 Europe 3 France 1 Germany 1 India 5 Switzerland 1 United Kingdom 1 United States 18 Global 223
Jinan Wald Chemical Co., Ltd.
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Beijing Solarbio Science & Tecnology Co., Ltd.
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010-50973130 17801761073
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Jinan Longcheng Silicone Co., Ltd
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Grader reagent
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Rhawn Reagent
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uhan Jiye Chemical Co., Ltd.
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ANHUI WITOP BIOTECH CO., LTD
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Yangzhou Model Electronic Materials Co., Ltd.
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Hebei Chuanghai Biotechnology Co,.LTD
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Mainchem Co., Ltd.
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View Lastest Price from SILICA manufacturers

Hebei Chuanghai Biotechnology Co,.LTD
Product
Silica 14464-46-1
Price
US $20.60/KG
Min. Order
1KG
Purity
96%
Supply Ability
5000kg
Release date
2024-08-21
Career Henan Chemical Co
Product
SILICA 14464-46-1
Price
US $1.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1kg,5kg,100kg
Release date
2019-07-04

14464-46-1, SILICARelated Search:

Matting powder Rutile TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III) SALCOMINE N-BUTYLISOCYANIDE Benzyl isocyanide Ferric acetylacetonate Aluminum acetylacetonate PHENYLSELENOL 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III) Cupric acetylacetonate 2,4-PENTANEDIONE, SILVER DERIVATIVE Ethyl isocyanoacetate TERT-BUTYL ISOCYANIDE Tosylmethyl isocyanide COBALT(II) ACETYLACETONATE Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, hydrolysis products with silica Silica Gel 60 Silica Gel G

  • 43-63c
  • alpha-crystobalite
  • calcineddiatomaceousearth
  • metacristobalite
  • silica,cristobalite
  • silica,crystalline-cristobalite
  • silice,cristobalite
  • w006
  • wgl300
  • SIO2
  • SIO2/SI
  • SILEX
  • SILICA 0-63
  • SILICA 100-200
  • SILICA 100-200, 100
  • SILICA 10-18
  • SILICA 10-18, 100
  • SILICA 12-26
  • SILICA 18-32
  • SILICA 18-32, 100
  • SILICA 200-500
  • SILICA 32-100
  • SILICA 32-63
  • SILICA 32-63, 100
  • SILICA 3-6
  • SILICA 3-6, 100
  • SILICA 63-100
  • SILICA 63-200
  • SILICA 63-200, 100
  • SILICA 7-12
  • SILICON OXIDE
  • SILICA 7-12, 100
  • SILICA, ANALYTICAL STANDARD
  • SILICA F-TLC
  • SILICA GEL 100
  • SILICA GEL 120
  • SILICA GEL 30
  • SILICA GEL 60
  • SILICA GEL 60-C18
  • SILICA GEL 22
  • SILICA GEL 60 G
  • SILICA GEL 60 GF254
  • SILICA GEL 60GF254 (TYPE60)
  • SILICA GEL 60G (TYPE60)
  • SILICA GEL 60 H
  • SILICA GEL 60 HF254
  • SILICA GEL 60H (TYPE60)
  • SILICA GEL 60HF254 (TYPE60)
  • SILICA GEL 60 SILANIZED
  • SILICA GEL 7
  • SILICA GEL 7G
  • SILICA GEL BEADS
  • SILICA GEL-BEADS ORANGE
  • SILICA GEL (DAVISIL) SORBENT
  • SILICA GEL DESICCANT
  • SILICA GEL DESICCANT, ORANGE GEL
  • SILICA GEL DESICCANT, BLUE GEL
  • POLYGOPREP(R) 100-12