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7789-78-8 - Calcium hydride, coarse powder, ca 92% - A16242 - Alfa Aesar

A16242 Calcium hydride, coarse powder, ca 92%

CAS 번호
7789-78-8
동의어

사이즈 가격 ($) 수량 재고 여부
50g 37.70
250g 151.00
1000g 495.00
장바구니에 추가 대량 견적에 추가 항목 보기

Calcium hydride, coarse powder, ca 92%

MDL
MFCD00010897
EINECS
232-189-2

화학적 특성

화학식
CaH2
화학 식량
42.10
융점
600° dec.
밀도
1.900
감도
Moisture Sensitive
용해도
Soluble in water and alcohol. Insoluble in benzene.

용도

Calcium chloride is used as an efficient drying agent for aprotic base-stable solvents like ethers and tertiary amines. It is a useful dehydrating agent in a synthesis of aldehyde enamines in high yield and purity.

참고

Moisture sensitive. Reacts with water vigorously and liberates hydrogen gas. Incompatible with strong oxidizing agents, strong acids, halogens, water and alcohols.

참조 문헌

Efficient drying agent for aprotic, base-stable solvents, particularly useful for ethers and tertiary amines.

Has been used as a dehydrating agent in a synthesis of aldehyde enamines in high yield and purity: Synth. Commun., 24, 1541 (1994).

Liu, Y.; Wang, X.; Liu, H.; Dong, Z.; Li, S.; Ge, H.; Yan, M. Investigation on the improved hydrolysis of aluminum-calcium hydride-salt mixture elaborated by ball milling. Energy 2015, 84, 714-721.

Leich, V.; Spaniol, T. P.; Okuda, J. Formation of a Cationic Calcium Hydride Cluster with a “Naked” Triphenylsilyl Anion by Hydrogenolysis of Bis(triphenylsilyl)calcium. Inorg. Chem. 2015, 54 (10), 4927-4933.

GHS 해저드 및 주의 설명서

해저드 설명서 (EU): H260

In contact with water releases flammable gases which may ignite spontaneously.

주의 설명서: P223-P231+P232-P280a-P370+P378c-P402+P404-P501a

Keep away from any possible contact with water, because of violent reaction and possible flash fire. Handle under inert gas. Protect from moisture. Wear protective gloves and eye/face protection. In case of fire: Use for extinction: CO2, sand, extinguishing powder. Store in a dry place. Store in a closed container. Dispose of contents/container in accordance with local/regional/national/international regulations.

기타 참조

Merck
14,1672
위험 등급
4.3
포장 그룹
I
통합 관세 코드
2850.00
TSCA(독성물질규제법)"
Yes

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