21170

Calcium hydride

purum p.a., ≥97.0% (gas-volumetric), powder

• Empirický vzorec (Hillův zápis): H₂Ca
• Číslo CAS: 7789-78-8
• Molekulová hmotnost: 42.09
• EC Number: 232-189-2
• MDL number: MFCD00010897
• UNSPSC Code: 12352300
• PubChem Substance ID: 57647909
• NACRES: NA.21

Vlastnosti

• grade: purum p.a.
• Quality Level: 200
• assay: ≥97.0% (gas-volumetric)
• form: powder
• reaction suitability: reagent type: reductant
• mp: 816 °C (lit.)
• anion traces: chloride (Cl^-): ≤2000 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• cation traces: Cd: ≤0.005%; Co: ≤0.005%; Cu: ≤0.02%; Fe: ≤0.005%; K: ≤0.01%; Na: ≤0.05%; Ni: ≤0.005%; Pb: ≤0.005%; Zn: ≤0.005%
• SMILES string: [Ca]
• InChI: 1S/Ca.2H
• InChI key: FAQLAUHZSGTTLN-UHFFFAOYSA-N

Popis

Application

Calcium hydride can be used as a reducing agent for the dechlorination of chlorinated organic compounds. It can also be used as a drying agent to dry pyridine.

Other Notes

Desiccant for aprotic solvents, e.g. benzene, dioxane, DMF and HMPT

Bezpečnostní informace

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H260,H315,H319
• pcodes: P223 - P231 + P232 - P264 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - Water-react 1
• Storage Class: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges