कैल्शियम हाइड्राइड

उत्पाद वर्णन

Calcium Hydride 

LC1234 Calcium hydride

for synthesis

Order number Packaging Quantity Price

AC28234 Glass bottle 100 g 49.50

AC28234 Glass bottle 100 g 193.50

Product information

Hill Formula H2Ca

Chemical formula CaH2

HS Code 2850 00 20

EC number 232-189-2

Molar mass 42.1 g/mol

EC index number 001-004-00-5

CAS number 7789-78-8

Chemical and physical data

Ignition temperature >300 C

Solubility (20 C) (rigorous decomposition)

Melting point 816 C

Molar mass 42.1 g/mol

Density 1.9 g/cm3 (20 C)

Safety information according to GHS

Hazard Statement(s) H260: In contact with water releases flammable gases which may ignite spontaneously.

Precautionary Statement(s) P402 + P404: Store in a dry place. Store in a closed container.

Signal Word Danger

Hazard Pictogram(s)

Storage class 4.3 Materials that form flammble gases in contact with water

WGK WGK 1 slightly water endangering

Disposal 26

Alkali and alkaline-earth metals should be taken up in an inert solvent and neutralized by adding 2-propanol (Cat. No. 100995) dropwise with stirring. Should the reaction be more violent than expected, conversion should be carried out with tert-butanol or octanol. Caution: This reaction produces hydrogen, which can form explosive mixtures; take necessary precautions. When the reaction has ceased, add water dropwise; neutralize; container D. In the case of alkali or alkaline-earth borohydrides, add methanol (Cat. No. 106008) with stirring; in the case of alkali or alkaline-earth amides and hydrides, organoaluminium and organotin hydrides, add 2-propanol (Cat. No. 100995) dropwise. The substances, which are usually in solid form, should be previously suspended in an ether! When the respective reaction has ceased, hydrolize with water; then neutralize. Container D or E. Lithium aluminium hydride must also be destroyed by slurrying in an ether. Under an inert gas and with thorough stirring, add dropwise a 1:4 mixture of ethyl acetate (Cat. No. 822277) and the ether used to prepare the slurry. Always ensure thorough mixing (stirring)! Container A.

Safety information

R Phrase R 15

Contact with water liberates extremely flammable gases.

S Phrase S 7/8-24/25-43

Keep container tightly closed and dry.Avoid contact with skin and eyes.In case of fire, use fire-fighting equipment on basis class D.

श्रेणियाँ of danger highly flammable

Hazard Symbol Flammable

Transport information

Declaration (transport by sea) IMDG-Code UN 1404 CALCIUM HYDRIDE, 4.3, I

Declaration (transport by air) IATA-DGR UN 1404 CALCIUM HYDRIDE, 4.3, I

Specifications

Assay (by gasvolumetry) 95%

Particle size 0 - 20 mm