Home Categories Inorganic chemistry Strontiumfluoride
A0643156

Strontiumfluoride , powder,<5μm , 7783-48-4

Synonym(s):
Strontium difluoride;Strontium difluoride (SrF2 )

CAS NO.:7783-48-4

Empirical Formula: F2Sr

Molecular Weight: 125.62

MDL number: MFCD00011251

EINECS: 232-000-3

Pack Size Price Stock Quantity
100g RMB215.20 In Stock
500g RMB639.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: >1400 °C (lit.)
Boiling point: 2489 °C (lit.)
Density  4.24 g/mL at 25 °C (lit.)
refractive index  1.442
solubility  soluble in dilute acid solutions
form  powder
color  White
Specific Gravity 4.24
Odor odorless
Water Solubility  11.7 mg/100 mL (18 ºC)
Crystal Structure CaF2 type
crystal system Cube
Merck  14,8842
Solubility Product Constant (Ksp) pKsp: 8.36
Space group Fm3m
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.580.580.589090900.1947

Dielectric constant 6.4699999999999998
Exposure limits ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3
Stability: hygroscopic
CAS DataBase Reference 7783-48-4(CAS DataBase Reference)
NIST Chemistry Reference Strontium fluoride(7783-48-4)
EPA Substance Registry System Strontium fluoride (SrF2) (7783-48-4)

Description and Uses

Strontium fluoride is used as an optical material transparent from vacuum ultraviolet (150 nm) to infrared (11 μm) for a small range of special applications. Its optical properties are intermediate to calcium fluoride and barium fluoride. It is also used as an optical coating on lenses.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
RIDADR  UN3288
WGK Germany  2
RTECS  WK8925000
Hazard Note  Irritant
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  2826199090

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