디브로모클로로메탄

디브로모클로로메탄
디브로모클로로메탄 구조식 이미지
카스 번호:
124-48-1
한글명:
디브로모클로로메탄
동의어(한글):
다이브로모클로로메테인;디브로모클로로메탄
상품명:
CHLORODIBROMOMETHANE
동의어(영문):
DIBROMOCHLOROMETHANE;DBCM;Dibromochloromethane (1mg/ml in Methanol) [for Water Analysis];Cdbm;CHClBr2;NCI-C55254;Chlorobromoform;CHLORODIBROMOMETHANE;Dibronochloromethane;chlorodibromo-methan
CBNumber:
CB0129381
분자식:
CHBr2Cl
포뮬러 무게:
208.28
MOL 파일:
124-48-1.mol

디브로모클로로메탄 속성

녹는점
−22 °C(lit.)
끓는 점
119-120 °C748 mm Hg(lit.)
밀도
2.451 g/mL at 25 °C(lit.)
증기압
76 at 20 °C (Schwille, 1988)
굴절률
n20/D 1.547(lit.)
인화점
115-118°C
저장 조건
2-8°C
용해도
acetone: soluble
물리적 상태
neat
색상
Clear, colorless to pale yellow, heavy liquid
수용성
Not miscible or difficult to mix in water.
감도
Moisture & Light Sensitive
Merck
14,2135
BRN
1731046
Henry's Law Constant
In seawater (salinity 30.4‰): 2.78, 5.56, and 10.13 at 0, 10, and 20 °C, respectively (Moore et al., 1995)
CAS 데이터베이스
124-48-1(CAS DataBase Reference)
IARC
3 (Vol. 52, 71) 1999
EPA
Chlorodibromomethane (124-48-1)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn,Xi,T,F
위험 카페고리 넘버 22-39/23/24/25-23/24/25-11
안전지침서 45-36/37/39-26-36/37-16-7
유엔번호(UN No.) 2810
WGK 독일 3
RTECS 번호 PA6360000
F 고인화성물질 8-10-21
TSCA T
위험 등급 IRRITANT
포장분류 III
HS 번호 29034980
유해 물질 데이터 124-48-1(Hazardous Substances Data)
독성 LD50 in male, female rats (mg/kg): 370, 760 orally (Aida); in male, female mice (mg/kg): 800, 1200 by gavage (Bowman)
그림문자(GHS): GHS hazard pictograms
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 GHS hazard pictograms P264, P270, P301+P312, P330, P501
예방조치문구:
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P270 이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.
P501 ...에 내용물 / 용기를 폐기 하시오.
NFPA 704
1
2 0

디브로모클로로메탄 C화학적 특성, 용도, 생산

화학적 성질

clear light yellow to orange liquid

용도

A volatile halogenated methane present in trace amounts in drinking water as a result of the water treatment process. It is useful as chain transfer agents in PVC polymerization.

일반 설명

Clear colorless to yellow-orange liquid. Density 2.451 g / cm3. No flash point.

공기와 물의 반응

Insoluble in water.

반응 프로필

CHLORODIBROMOMETHANE is incompatible with strong bases, strong oxidizing agents and magnesium

건강위험

Chlorodibromomethane is a central nervous system (CNS) depressant at extremely high concentrations; it is toxic to the liver and kidneys of rodents and induces hepatocellular tumors in mice after long-term exposure.
In animal studies, the oral LD50 typically ranges between 800 and 1200 mg/kg.1,2 Acute signs of intoxication include sedation, flaccid muscle tone, ataxia, and prostration; death is due to CNS depression. In cases in which death does not occur until several days after acute exposure, hepatic and renal injury may be the cause of death.

화재위험

CHLORODIBROMOMETHANE is probably combustible.

Safety Profile

Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic data. Human mutation data reported. Compounds of this type are generally irritating and narcotic. See also BROMOFORM and CHLOROFORM. When heated to decomposition it emits toxic fumes of Cland Br-.

잠재적 노출

Dibromochloromethane is used as a chemical intermediate in the manufacture of fire extinguishing agents; aerosol propellants; refrigerants, and pesticides. Dibromochloromethane has been detected in drinking water in the United States. It is believed to be formed by the haloform reaction that may occur during

환경귀착

Biological. Dibromochloromethane showed significant degradation with gradual adaptation in a static-culture flask-screening test (settled domestic wastewater inoculum) conducted at 25 °C. At concentrations of 5 and 10 mg/L, percent losses after 4 wk of incubation were 39 and 25, respectively. At a substrate concentration of 5 mg/L, 16% was lost due to volatilization after 10 d (Tabak et al., 1981).
Surface Water. The estimated volatilization half-life of dibromochloromethane from rivers and streams is 45.9 h (Kaczmar et al., 1984).
Photolytic. Water containing 2,000 ng/μL of dibromochloromethane and colloidal platinum catalyst was irradiated with UV light. After 20 h, dibromochloromethane degraded to 80 ng/μL bromochloromethane, 22 ng/μL methyl chloride, and 1,050 ng/μL methane. A duplicate experiment was performed but 1 g zinc was added. After about 1 h, total degradation was achieved. Presumed transformation products include methane, bromide, and chloride ions (Wang and Tan, 1988).
Chemical/Physical. The estimated hydrolysis half-life in water at 25 °C and pH 7 is 274 yr (Mabey and Mill, 1978). Hydrogen gas was bubbled in an aqueous solution containing 18.8 μmol dibromochloromethane. After 24 h, only 18% of the dibromochloromethane reacted to form methane and minor traces of ethane. In the presence of colloidal platinum catalyst, the reaction proceeded at a much faster rate forming the same end products (Wang et al., 1988).

운송 방법

UN2810 Toxic liquids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical

비 호환성

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explo- sions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, and magnesium.

폐기물 처리

May be destroyed by high- temperature incinerator equipped with an HCl scrubber.

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