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 |
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500g | RMB639.20 | In Stock |
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others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
Melting point: | >1400 °C (lit.) |
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Boiling point: | 2489 °C (lit.) |
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Density | 4.24 g/mL at 25 °C (lit.) |
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refractive index | 1.442 |
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solubility | soluble in dilute acid solutions |
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form | powder |
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color | White |
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Specific Gravity | 4.24 |
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Odor | odorless |
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Water Solubility | 11.7 mg/100 mL (18 ºC) |
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Crystal Structure | CaF2 type |
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crystal system | Cube |
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Merck | 14,8842 |
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Solubility Product Constant (Ksp) | pKsp: 8.36 |
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Space group | Fm3m |
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Lattice constant |
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Dielectric constant | 6.4699999999999998 |
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Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 |
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Stability: | hygroscopic |
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CAS DataBase Reference | 7783-48-4(CAS DataBase Reference) |
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NIST Chemistry Reference | Strontium fluoride(7783-48-4) |
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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 |