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MERCK

MERCK 802100.0100 Calcium Hydride % 95 For Synthesis UN1404 4.3, I CAS No.7789-78-8 (SD.M.802100.0100)

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Key Spec Table

CAS # EC Number Hill Formula Chemical Formula Molar Mass
7789-78-8 232-189-2 H₂Ca CaH₂ 42.1 g/mol

Pricing & Availability

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8021000100
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Description
Catalogue Number 802100
Description Calcium hydride
Product Information
CAS number 7789-78-8
EC index number 001-004-00-5
EC number 232-189-2
Hill Formula H₂Ca
Chemical formula CaH₂
Molar Mass 42.1 g/mol
HS Code 2850 00 90
Quality Level MQ200
Applications
Application Calcium hydride for synthesis. CAS 7789-78-8, chemical formula CaH₂.
Physicochemical Information
Density 1.900 g/cm3
Ignition temperature >300 °C
Melting Point 816 °C
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H260: In contact with water releases flammable gases which may ignite spontaneously.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
Precautionary Statement(s) P223: Do not allow contact with water.
P231 + P232: Handle and store contents under inert gas. Protect from moisture.
P264: Wash skin thoroughly after handling.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P302 + P352: IF ON SKIN: Wash with plenty of water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P402 + P404: Store in a dry place. Store in a closed container.
P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word Danger
Storage class 4.3 Hazardous materials, which set free flammable gases upon contact with water
WGK WGK 1 slightly hazardous to water
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
Categories of danger highly flammable
Storage and Shipping Information
Storage Store below +30°C.
Transport Information
Declaration (railroad and road) ADR, RID UN 1404 , 4.3, I
Declaration (transport by air) IATA-DGR UN 1404 , 4.3, I
Declaration (transport by sea) IMDG-Code UN 1404 , 4.3, I
Specifications
Assay (by gasvolumetry) ≥ 95.0 %
Etiketler
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