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ChemicalBook--->CAS DataBase List--->16871-71-9

16871-71-9

16871-71-9 Structure

16871-71-9 Structure
IdentificationMore
[Name]

ZINC SILICOFLUORIDE
[CAS]

16871-71-9
[Synonyms]

Zinc fiuorosilieate
ZINC FLUOROSILICATE
ZINC FLUOSILICATE
ZINC HEXAFLUOROSILICATE
ZINC SILICOFLUORIDE
caswellno914
epapesticidechemicalcode075307
fungol
fungonitgf2
hexafluoro-silicate(2-zinc
hexafluoro-silicate(2-zinc(1:1)
Silicate(2-),hexafluoro-,zinc(1:1)
siliconzincfluoride
ZineFluosilicate
[EINECS(EC#)]

240-894-1
[Molecular Formula]

F6SiZn
[MDL Number]

MFCD00049624
[Molecular Weight]

207.47
[MOL File]

16871-71-9.mol
Chemical PropertiesBack Directory
[Appearance]

White crystals.Decomposes on heating; soluble in water.
[density ]

2.104
[solubility ]

soluble in H2O
[form ]

white crystals
[color ]

white crystals, crystalline
[Specific Gravity]

2.12
[Water Solubility ]

soluble H2O [MER06]
[Hydrolytic Sensitivity]

0: forms stable aqueous solutions
[CAS DataBase Reference]

16871-71-9(CAS DataBase Reference)
[EPA Substance Registry System]

Zinc silicofluoride (16871-71-9)
Hazard InformationBack Directory
[Chemical Properties]

White crystals.Decomposes on heating; soluble in water.
[General Description]

A solid material, or the solid mixed with water. Insoluble in water and denser than water. Contact with the material may cause irritation to skin, eyes, and mucous membranes. ZINC FLUOROSILICATE(16871-71-9) may be toxic by ingestion.
[Reactivity Profile]

ZINC FLUOROSILICATE has weak oxidizing or reducing powers. Redox reactions can however still occur. The majority of compounds in this class are slightly soluble or insoluble in water. If soluble in water, then the solutions are usually neither strongly acidic nor strongly basic. These compounds are not water-reactive.
[Air & Water Reactions]

Insoluble in water.
[Health Hazard]

Inhalation of dust irritates nose and throat; excessive inhalation may cause severe pulmonary inflammation. Ingestion causes nausea, cramps, vomiting, shock, convulsions, cyanosis, and other symptoms of fluoride poisoning. Contact with eyes or skin causes irritation; skin ulcers may develop.
[Fire Hazard]

Special Hazards of Combustion Products: Toxic and irritating hydrogen fluoride and silicon tetrafluoride are formed in fires.
Safety DataBack Directory
[Hazard Codes ]

C
[Risk Statements ]

R22:Harmful if swallowed.
R34:Causes burns.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

UN 2855 6.1/PG 3
[WGK Germany ]

3
[HazardClass ]

6.1(b)
[PackingGroup ]

III
[HS Code ]

2826908090
[Safety Profile]

Poison by ingestion and subcutaneous routes. When heated to decomposition it emits toxic fumes of F- and ZnO. See also ZINC COMPOUNDS.
[Hazardous Substances Data]

16871-71-9(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Zinc oxide-->Hexafluorosilicic acid-->Calcium fluoride-->Silica sand-->Zinc silicofluoride
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

zinc silicofluoride(16871-71-9).msds
Questions And AnswerBack Directory
[Description]

It has widespread applications including fast hardener for concrete, wood preservative, plaster enhancer, postscrubbing agent, mothproofing agent, catalyst for the production of polyester fibre, and ingredient in electrolytic bath for preparing zinc. Moreover, it may act as an active agent in mould-resistant emulsion paints.1 This chemical may also be used as an additive for hardening and polishing the concrete surface, such as a floor or wall.2 In addition, a pasty mixture prepared by mixing zinc fluosilicate with other chemicals shows a desirable function for cleaning stone, bricks, concrete, and other constructional material.3 Besides, the use of this compound in the froth-flotation process aids in effecting selection of valuable mineral.4
[Reference]

  1. Elbe, H. L.; Poulus, W.; Schrage, H.; Kugler, M.; Kunisch, F., Mould-resistant emulsion paints. US Patent 5622546 1997.
  2. Wetherell, M.; Jones, J., Method for hardening and polishing concrete floors, walls, and the like US Patent US RE38364 E 2003.
  3. Salomone, G., PRODUCTS FOR CLEANING STONE,BRICKS,CONCRETE AND OTHER CONSTRUCTIONAL MATERIALS US Patent 3481879 1969.
  4. Hansen, M., Froth-flotation process US Patent 1972588 1934.
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

16871-71-9(sigmaaldrich)
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