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아크롬 염화물

아크롬 염화물
아크롬 염화물 구조식 이미지
카스 번호:
10049-05-5
한글명:
아크롬 염화물
동의어(한글):
아크롬염화물;아크롬염화물(CHROMOUSCHLORIDE)
상품명:
CHROMIUM(II) CHLORIDE
동의어(영문):
CRCL2;chromous;Chromous acid;CHROME CHLORIDE;CHROMOUS CHLORIDE;CHROMIUM DICHLORIDE;CHROMIUM(II) CHLORIDE;CHROMIUM (OUS) CHLORIDE;Chromium(II) dichloride;chromiumchloride(crcl2)
CBNumber:
CB8751238
분자식:
Cl2Cr
포뮬러 무게:
122.9
MOL 파일:
10049-05-5.mol

아크롬 염화물 속성

녹는점
824 °C(lit.)
끓는 점
1120°C (estimate)
밀도
2.9 g/mL at 25 °C(lit.)
저장 조건
Store below +30°C.
물리적 상태
powder
색상
Off-white to green-gray
Specific Gravity
2.878
수용성
Soluble in water. Insoluble in alcohol and ether.
감도
Air & Moisture Sensitive
Merck
14,2244
안정성
Stable, but decomposes in water or moist air. Incompatible with water, oxidizing agents, active metals.
CAS 데이터베이스
10049-05-5(CAS DataBase Reference)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn
위험 카페고리 넘버 22-36/37/38
안전지침서 26-36
유엔번호(UN No.) UN3260
WGK 독일 3
RTECS 번호 GB5250000
F 고인화성물질 1-10
TSCA Yes
HS 번호 2827 39 85
위험 등급 8
포장분류 III
독성 LD50 orally in rats: 1.87 g/kg (Smyth)
그림문자(GHS):
신호 어: Warning
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, P501
H314 피부에 심한 화상과 눈에 손상을 일으킴 피부부식성 또는 자극성물질 구분 1A, B, C 위험 P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H318 눈에 심한 손상을 일으킴 심한 눈 손상 또는 자극성 물질 구분 1 위험 P280, P305+P351+P338, P310
예방조치문구:
P301+P330+P331 삼켰다면 입을 씻어내시오. 토하게 하려 하지 마시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P405 밀봉하여 저장하시오.

아크롬 염화물 C화학적 특성, 용도, 생산

화학적 성질

grey green powder

화학적 성질

Chromous chloride is a white-to-bluish solid or lustrous needles which turn Blue in water

용도

The vapor-phase co-reductions with other metal halides by hydrogen results in finely divided intermetallics with applications as structural materials or compounds with useful thermoelectric, magnetic, and oxidation-resistance properties.

일반 설명

A white crystalline solid. The primary hazard is the threat to the environment. Immediate steps must be taken to prevent its spread to the environment. CHROMIUM(II) CHLORIDE is used to make other chemicals and as an oxygen absorbent.

공기와 물의 반응

Stable in dry air, but oxidizes rapidly in moist air or standing water with liberation of Hydrogen, [Merck, 11th ed., 1989]. Soluble in water.

반응 프로필

Inorganic reducing agents, such as CHROMIUM(II) CHLORIDE, react with oxidizing agents to generate heat and products that may be flammable, combustible, or otherwise reactive. Their reactions with oxidizing agents may be violent. Long storage of a CHROMIUM(II) CHLORIDE solution culminated in an explosion. This was ascribed to the slow buildup of hydrogen gas that was produced by reduction of water by the Cr(II) ion [MCA Case History No. 1660].

건강위험

DUST: Harmful if inhaled. SOLID: Irritating to skin and eyes. Harmful if swallowed.

잠재적 노출

It is used in metal alloys and metal finishing; textile treatment including mothproofing, waterproofing, printing; and dying, leather tanning; making photographic chemicals; and green pigments for various uses.

운송 방법

UN3260 Corrosive solid, acidic, inorganic, n.o. s., Hazard class: 8; Labels: 8-Corrosive material, Technical Name Required.

Purification Methods

It is obtained from the dihydrate by heating in vacuo at 180o. It is a very hygroscopic white powder which dissolves in H2O to give a sky blue solution. It is stable in dry air but oxidises rapidly in moist air and should be stored in air tight containers. It sublimes at 800o in a current of HCl gas and should be cooled in the presence of HCl gas. Alternatively it can be washed with air-free Et2O and dried at 110-120o. [Burg Inorg Synth III 150 1950, Balthis & Bailar (4 H2O) Inorg Synth I 125 1939, Hein & Herzog in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II pp 1336-1338 1965.]

비 호환성

Very hygroscopic. The substance is a strong reducing agent. Reacts with oxidizers. Reacts with water, forming flammable hydrogen gas

아크롬 염화물 준비 용품 및 원자재

원자재

준비 용품


아크롬 염화물 공급 업체

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