Sodium fluorosilicate CAS#16893-85-9

Boiling point 

620℃[at 101 325 Pa]

density 

2.68 g/mL at 25 °C(lit.)

vapor pressure 

0.01Pa

refractive index 

1.310

solubility 

insoluble in ethanol

form 

Crystals

color 

White

Specific Gravity

2.68

Odor

odorless

Water Solubility 

Slightly soluble in water. Solubility increases with temperature. Insoluble in alcoholSlightly soluble in water. Insoluble in alcohol.

Merck 

14,8624

Exposure limits

ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3

Stability:

Stable. Incompatible with oxidizing agents, water. Moisture sensitive.

Cosmetics Ingredients Functions

ORAL CARE
ANTIPLAQUE

InChI

1S/F6Si.2Na/c1-7(2,3,4,5)6;;/q-2;2*+1

InChIKey

TWGUZEUZLCYTCG-UHFFFAOYSA-N

SMILES

[Na+].[Na+].F[Si--](F)(F)(F)(F)F

LogP

0.001

CAS DataBase Reference

16893-85-9(CAS DataBase Reference)

EPA Substance Registry System

Sodium fluosilicate (16893-85-9)

Safety Information

Risk Statements 

23/24/25

Safety Statements 

26-45

RIDADR 

UN 2674 6.1/PG 3

WGK Germany 

2

RTECS 

VV8410000

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

Hazardous Substances Data

16893-85-9(Hazardous Substances Data)

Toxicity

LD in rabbits (mg F/kg): 76 intragastric; in rats (mg F/kg): 42 s.c. (Muehlberger); LD in guinea pigs (mg/kg): 250 orally, 500 s.c. (Waldbott)