Home > Name List By d > dioxosilane

CAS No 7631-86-9 , dioxosilane

  • Name: dioxosilane
  • Synonyms: Infusorial earth; SILICON DIOXIDE;Quartz;dioxosilane; Sand; Cristobalite; Silicic anhydride; Dioxosilane; Diatomaceous earth;
  • CAS Registry Number:
  • Melting Point: 1610 ºC
  • Flash Point: n/a
  • Boiling Point: >100 °C(lit.)
  • Density: 2.6
  • Refractive index: 1.46
  • Safety Statements: R36/37
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 28112200
  • Flash Point: n/a
  • EINECS: 231-545-4
  • Molecular Weight: 60.0843
  • InchiKey: VYPSYNLAJGMNEJ-UHFFFAOYSA-N
  • InChI: InChI=1S/O2Si/c1-3-2
  • Risk Statements: S26;S37/39
  • Molecular Formula: O2Si
  • Molecular Structure:CAS No:7631-86-9 dioxosilane
Search by region :

Select to

7631-86-9 Amorphous silica

  • China Tianjin First Chemcal Co., Ltd [Manufacturers]
  • Tel: 86-15822844931
  • Fax: 022-28227688
  • Address: 1802, Gate No.3, Bldg. AoJing, No. 715 Rd. Da Gu Nan, Dist. Hexi, Tianjin . TIANJIN,TIANJINChina
Contact Supplier

7631-86-9 Amorphous silica

Contact Supplier

7631-86-9 White Carbon Black

  • Product Description: White Carbon Black Molecular Formula: SIO2 Molecular Weight: 60.08 CAS NO: 7631-86-9 Appearance: White Powder Property: Silicon dioxide is a white or Colorless powder, when with a large content of Fe, it would be yellow. Insolubl...
  • China Tianjin Changfu Chemical Co.Ltd. [Manufacturer]
  • Tel: 86-22-58016226
  • Address: Fengfan International Building Jindili Nankai District Tianjin China ,China
Contact Supplier

7631-86-9 Amorphous silica

  • China Double-Wing Trading Co., Ltd. [Importer/Exporter]
  • Tel: 756-3366923
  • Fax: 756-6210206 ext.0001
  • Address: rm304,office-building,nanyou-hotel zhuhai,guangdongChina
Contact Supplier

7631-86-9 Amorphous silica

Contact Supplier

7631-86-9 Amorphous silica

Contact Supplier

7631-86-9 Amorphous silica

Contact Supplier

7631-86-9 Amorphous silica

  • China Hunan Metals & Chemicals Corp. [Manufacturers]
  • Tel: 86-731-82805489
  • Fax: 86-731-85328549
  • Address: 482 Shaoshan Beilu, Changsha, Hunan, China Changsha,HunanChina
Contact Supplier

7631-86-9 CAB-O-SIL M5 NF/EP

  • United States Carbomer, Inc. [Manufacturer]
  • Tel: 858-552-0992/ (800) 239-7129
  • Fax: 858-552-0999
  • Address: PO Box 261026-1026
    San Diego, CA 92196 ,United States
Contact Supplier

7631-86-9 SILICA

  • United States Charles B. Chrystal Co., Inc. [Manufacturer]
  • Tel: 212-227-2151
  • Fax: 212-233-7916
  • Address: Charles B. Chrystal Co., Inc.
    30 Vesey Street
    New York, NY 10007 ,United States
Contact Supplier

Select to

References of dioxosilane
Title: Silicon Dioxide
CAS Registry Number: 7631-86-9
CAS Name: Silica
Synonyms: silicic anhydride
Molecular Formula: O2Si
Molecular Weight: 60.08
Percent Composition: O 53.26%, Si 46.75%
Line Formula: SiO2
Literature References: Occurs in nature as agate, amethyst, chalcedony, cristobalite, flint, quartz, sand, tridymite. Reviews: Kirk-Othmer Encyclopedia of Chemical Technology vol. 18 (Interscience, New York, 2nd ed., 1969) pp 46-111; Rochow in Comprehensive Inorganic Chemistry vol. 1, J. C. Bailar, Jr. et al., Eds. (Pergamon Press, Oxford, 1973) pp 1388-1402. Toxicology: L. T. Fairhall, Industrial Toxicology (Hafner, New York, 1969) pp 105-107.
Properties: Transparent, tasteless crystals, or amorphous powder. d (amorphous) 2.2. d0 (quartz) 2.65. Melts to a glass. Silica has the lowest coefficient of expansion by heat of any known substance. It is practically insol in water or acids, except hydrofluoric acid in which it readily dissolves forming the gas silicon tetrafluoride; it is also slowly attacked by heating with concd phosphoric acid. The crystallized forms of silica are scarcely attacked by alkalies, while the amorphous is sol, especially when finely divided. See also Infusorial Earth.
Density: d (amorphous) 2.2; d0 (quartz) 2.65
CAUTION: Potential symptom of overexposure to amorphous silica are eye irritation and pneumoconiosis. Potential symptoms of overexposure to crystalline silica as respirable dust are cough, dyspnea, wheezing; decreased pulmonary function, progressive respiratory symptoms (silicosis). See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 276-279. Crystalline silica (respirable size), primarily quartz dusts occurring in industrial and occupational settings, is listed as a known human carcinogen: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-231.
Use: Manuf glass, water glass, refractories, abrasives, ceramics, enamels; decolorizing and purifying oils, petroleum products, etc.; in scouring- and grinding-compounds, ferrosilicon, molds for castings; as anticaking and defoaming agent.