Potassium fluosilicate , AR,99.0% , 16871-90-2

CAS NO.：16871-90-2

Update time: 2022-07-08

Melting point:	°Cd ec.)
Boiling point:	dec
Density	2.665 g/mL at 25 °C(lit.)
vapor pressure	0.01Pa
refractive index	1.3991
solubility	insoluble in ethanol
form	Powder
color	White
Specific Gravity	2.665
Odor	Odorless
Water Solubility	Slightly soluble in water.
Sensitive	Moisture Sensitive
Hydrolytic Sensitivity	0: forms stable aqueous solutions
Merck	14,7638
Solubility Product Constant (Ksp)	pKsp: 6.06
Exposure limits	ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3
Cosmetics Ingredients Functions	ORAL CARE ANTIPLAQUE
InChI	1S/F6Si.2K/c1-7(2,3,4,5)6;;/q-2;2*+1
InChIKey	UUHPPUWEDCVPCO-UHFFFAOYSA-N
SMILES	[K+].[K+].F[Si--](F)(F)(F)(F)F
LogP	0.001
CAS DataBase Reference	16871-90-2(CAS DataBase Reference)
EPA Substance Registry System	Silicate(2-), hexafluoro-, dipotassium (16871-90-2)

In the manufacture of opalescent glass, in porcelain enamels, in insecticides. Also used in aluminum metallurgy.

Symbol(GHS)	GHS06,GHS08
Signal word	Danger
Hazard statements	H301+H311+H331-H372
Precautionary statements	P501-P260-P270-P271-P264-P280-P314-P361+P364-P301+P310+P330-P302+P352+P312-P304+P340+P311-P403+P233-P405
PPE	Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Hazard Codes	T,Xi
Risk Statements	23/24/25
Safety Statements	26-45
RIDADR	UN 2655
WGK Germany	2
RTECS	VV8400000
F	21
Hazard Note	Irritant
TSCA	TSCA listed
HazardClass	6.1
PackingGroup	III
HS Code	2826908090
Storage Class	6.1D - Non-combustible acute toxic Cat.3 toxic hazardous materials or hazardous materials causing chronic effects
Hazard Classifications	Acute Tox. 3 Dermal Acute Tox. 3 Inhalation Acute Tox. 3 Oral
REACH Registrations	Active