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크롬 카보닐

크롬 카보닐
크롬 카보닐 구조식 이미지
카스 번호:
13007-92-6
한글명:
크롬 카보닐
동의어(한글):
크롬카보닐;크롬카보닐(CHROMIUMCARBONYL)
상품명:
Chromium hexacarbonyl
동의어(영문):
Cr(CO)6;Chromcarbonyl;CHROMIUM CARBONYL;ChroMiuM(0)hexacarbo;HEXACARBONYLCHROMIUM;Chromiumcarbonyl,99%;CHROMIUM HEXACARBONYL;Chromium carbonyl, 98+%;Hexacarbonylchromium(0);Chromiumcarbonyl(Cr(CO)6)
CBNumber:
CB9266096
분자식:
6CO.Cr
포뮬러 무게:
220.06
MOL 파일:
13007-92-6.mol

크롬 카보닐 속성

녹는점
>150 °C (dec.) (lit.)
끓는 점
220 °C
밀도
1.77 g/mL at 25 °C (lit.)
증기 밀도
7.6 (vs air)
증기압
1 mm Hg ( 36 °C)
저장 조건
Store below +30°C.
물리적 상태
Crystals
Specific Gravity
1.77
색상
White
수용성
insoluble
감도
Light Sensitive/Heat Sensitive
Merck
13,2253
노출 한도
TLV-TWA: 0.05 mg (Cr)/m3, confirmed human carcinogen (ACGIH)
PEL: 0.1 mg (CrO3)/m3 (ceiling) (OSHA).
안정성
Stable. Incompatible with strong oxidizing agents.
CAS 데이터베이스
13007-92-6(CAS DataBase Reference)
NIST
Chromium hexacarbonyl(13007-92-6)
EPA
Chromium hexacarbonyl (13007-92-6)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 T,N,Xn
위험 카페고리 넘버 22-50/53-49-44-43-20/21/22-5
안전지침서 53-36-45-61-60-36/37
유엔번호(UN No.) UN 3466 6.1/PG 3
WGK 독일 3
RTECS 번호 GB5075000
TSCA Yes
위험 등급 6.1
포장분류 II
HS 번호 29310095
독성 LD50 i.v. in mice: 100 mg/kg (Strohmeier)
기존화학 물질 KE-05990
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H301 삼키면 유독함 급성 독성 물질 - 경구 구분 3 위험 P264, P270, P301+P310, P321, P330,P405, P501
예방조치문구:
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P270 이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.
P321 (…) 처치를 하시오.
P301+P310 삼켰다면 즉시 의료기관(의사)의 진찰을 받으시오.
P405 밀봉하여 저장하시오.

크롬 카보닐 MSDS


Chromium hexacarbonyl

크롬 카보닐 C화학적 특성, 용도, 생산

화학적 성질

white crystals or powder

화학적 성질

Chromium carbonyl is a colorless crystalline substance which sinters (forms a coherent mass without melting) @ 90°C.

물리적 성질

White orthogonal crystal; density 1.77 g/cm3; sublimes at ordinary temperatures; vapor pressure 1 torr at 48°C; decomposes at 130°C; insoluble in water and alcohols; soluble in ether, chloroform and methylene chloride.

용도

It is used as a catalyst for polymerization andisomerization of olefins. It is also used as anadditive to gasoline, to increase the octanenumber.

용도

Chromiumhexacarbonyl is a volatile; air stable precursor of Chromium(0); widely used for thin film deposition - ALD and CVD. The thin films can be grown at room temperature and low pressure by laser CVD .

용도

In catalysts for olefin polymerization and isomerization; gasoline additive to increase octane number; preparation of chromous oxide, CrO.

제조 방법

Chromium hexacarbonyl is prepared by the reaction of anhydrous chromium(III) chloride with carbon monoxide in the presence of a Grignard reagent. A 60% product yield may be obtained at the carbon monoxide pressures of 35 to 70 atm. Other chromium salts may be used with carbon monoxide and Grignard reagent in the preparation. The compound may also be obtained by the reaction of a chromium salt with carbon monoxide in the presence of magnesium in ether or sodium in diglyme.

일반 설명

White crystalline or granular solid. Sublimes at room temperature. Burns with a luminous flame.

공기와 물의 반응

Insoluble in water.

반응 프로필

Chromium hexacarbonyl decomposes violently at 410° F. Chromium hexacarbonyl is decomposed by chlorine and fuming nitric acid. Chromium hexacarbonyl is incompatible with oxidizing agents.

위험도

Toxic by inhalation and ingestion.

건강위험

Chromium hexacarbonyl is a highly toxicsubstance by all routes of exposure. The toxiceffects are similar to those of molybdenumand tungsten carbonyls. The symptoms areheadache, dizziness, nausea, vomiting, andfever. The oral LD50 in mice is 150 mg/kgand in rats 230 mg/kg. The intravenous LD50in mice is 30 mg/kg. As a hexavalent compoundof chromium, it is a carcinogenic substance.

화재위험

Flash point data for Chromium hexacarbonyl are not available; however, Chromium hexacarbonyl is probably combustible.

잠재적 노출

Chromium carbonyl is used as a catalyst for hydrogenation, isomerization, watergas shift reaction and alkylation of aromatic hydrocarbons; gasoline additive to increase octane number; preparation of chromous oxide, CrO

운송 방법

UN3466 Metal carbonyls, solid n.o.s. Hazard class 6.1. Technical name required. UN3281 Metal carbonyls, liquid n.o.s. Hazard class 6.1. Technical name required, Potential Inhalation Hazard (Special Provision 5). UN3466 Metal carbonyls, solid n.o.s. Hazard class 6.1. Technical name required.

Purification Methods

Wash the complex with cold EtOH, then Et2O, and allow it to dry in air. Alternatively recrystallise it from dry Et2O. This is best accomplished by placing the hexacarbonyl in a Soxhlet extractor and extracting exhaustively with dry Et2O. Pure Cr(CO)6 is filtered off and dried in air. Completely colourless refracting crystals are obtained by sublimation at 40-50o/<0.5mm in an apparatus where the collecting finger is cooled by Dry Ice and in which there is a wide short bore between the hot and cold sections to prevent clogging by the crystals. Loss of product in the crystallisation and sublimation is slight. It is important not to overdo the drying as the solid is appreciably volatile and TOXIC [vapour pressure is 0.04(8o), 1.0(48o) and 66.5(100o) mm]. Also do not allow the Et2O solutions to stand too long as a brown deposit is formed which is sensitive to light, and to avoid the possibility of violent decomposition. It sinters at 90o, decomposes at 130o, and EXPLODES at 210o. [Owen et al. Inorg Synth III 156 1950, Podall et al. J Am Chem Soc 83 2057 1961.] POISONOUS.

비 호환성

Violent reaction on contact with oxidizers. Decomposed by chlorine and fuming nitric acid; sensitive to heat and light (undergoes photochemical decomposition). Many carbonyls react with water, forming toxic and flammable vapors

폐기물 처리

Use a licensed professional waste disposal service to dispose of this material. All federal, state, and local environmental regulations must be observed. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (>=100 kg/mo) must conform to EPA regulations governing storage, transportation, treatment, and waste disposal.

크롬 카보닐 준비 용품 및 원자재

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