Calciumfluoride (8CI) Calcium difluoride Calcium difluoride (CaF2)
Calcium fluoride Chemical Properties |
Melting point | 1402 °C | ||||||||||||||
Boiling point | 2500 °C (lit.) | ||||||||||||||
density | 3.18 g/mL at 25 °C (lit.) | ||||||||||||||
refractive index | 1.434 | ||||||||||||||
Fp | 2500°C | ||||||||||||||
storage temp. | -20°C | ||||||||||||||
solubility | Slightly soluble in acid; insoluble in acetone. | ||||||||||||||
form | rod | ||||||||||||||
Specific Gravity | 3.18 | ||||||||||||||
color | white | ||||||||||||||
Water Solubility | 0.015 g. per 100g H20 at room temperature.(INSOLUBLE) | ||||||||||||||
Sensitive | Hygroscopic | ||||||||||||||
Crystal Structure | CaF2 type | ||||||||||||||
crystal system | Cube | ||||||||||||||
Merck | 14,1667 | ||||||||||||||
Solubility Product Constant (Ksp) | pKsp: 8.28 | ||||||||||||||
Space group | Fm3m | ||||||||||||||
Lattice constant |
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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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Dielectric constant | 2.5(Ambient) | ||||||||||||||
Stability: | Stable. Calcium fluoride is inert to organic chemicals and many acids, including HF. It will slowly dissolve in nitric acid. | ||||||||||||||
InChIKey | WUKWITHWXAAZEY-UHFFFAOYSA-L | ||||||||||||||
CAS DataBase Reference | 7789-75-5(CAS DataBase Reference) | ||||||||||||||
NIST Chemistry Reference | Calcium fluoride(7789-75-5) | ||||||||||||||
EPA Substance Registry System | Calcium difluoride (7789-75-5) |
Safety Information |
Hazard Codes | Xi,Xn |
Risk Statements | 36/37/38 |
Safety Statements | 26-37/39-36 |
RIDADR | 3288 |
WGK Germany | 1 |
RTECS | EW1760000 |
Hazard Note | Irritant |
TSCA | Yes |
HS Code | 28261900 |
Hazardous Substances Data | 7789-75-5(Hazardous Substances Data) |
Toxicity | LD50 i.p. in mice: 2638.27 mg/kg (Stratmann) |
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