CAS No.16871-90-2,Potassium fluorosilicate Suppliers

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Basic Information

Molecular Structure:
CAS No.:	16871-90-2
Name:	Potassium fluorosilicate
Article Data:	16

Formula:	F₆K₂Si
Molecular Weight:	364.474
Synonyms:	Potassiumfluosilicate (6CI);Silicate(2-), hexafluoro-, dipotassium (8CI,9CI);Potassium fluorosilicate (K2SiF6);Potassium hexafluorosilicate (K2SiF6);Potassiumsilicofluoride;Potassium silicon fluoride(K2SiF6);Potassium hexafluorosilicate;
EINECS:	240-896-2
Density:	2.665 g/mL at 25 °C(lit.)
Melting Point:	°Cd ec.)
Boiling Point:	dec
Solubility:	slightly soluble in water
Appearance:	white, odorless crystalline powder
Hazard Symbols:	T,Xi
Risk Codes:	23/24/25
Safety:	26-45
Transport Information:	UN 2655 6.1/PG 3
PSA:	0.00000
LogP:	2.14040

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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

OSHA PEL: TWA 2.5 mg(F)/m³
ACGIH TLV: TWA 2.5 mg(F)/m³; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: TWA (Inorganic Fluorides) 2.5 mg(F)/m³
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD

Specification

Potassium hexafluorosilicate(CAS NO.16871-90-2) has the synonyms of Potassium fluosilicate; Potassium silicofluoride; Silicate(2-), hexafluoro-, dipotassium; Silicate(2-), hexafluoro-, potassium (1:2). 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. Potassium hexafluorosilicate is mainly used for the preservation of timber, ceramics manufacturing, aluminum and magnesium smelting,optical glass manufacturing,etc.

You can still convert the following datas into molecular structure:
(1)InChI=1S/F6Si.2K/c1-7(2,3,4,5)6;;/q-2;2*+1;
(2)InChIKey=UUHPPUWEDCVPCO-UHFFFAOYSA-N;
(3)Smiles[Si-2](F)(F)(F)(F)(F)F.[K+].[K+];

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
frog	LDLo	subcutaneous	448mg/kg (448mg/kg)		Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. Vol. 124, Pg. 133, 1937.
guinea pig	LD50	oral	500mg/kg (500mg/kg)		"Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 4, Pg. 327, 1969.
guinea pig	LDLo	subcutaneous	500mg/kg (500mg/kg)		Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. Vol. 124, Pg. 133, 1937.
mouse	LD50	oral	70mg/kg (70mg/kg)	PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) BEHAVIORAL: ATAXIA BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 53(11), Pg. 80, 1988.
rat	LD50	oral	156mg/kg (156mg/kg)	BEHAVIORAL: ATAXIA PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 53(11), Pg. 80, 1988.