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메틸히드리진

메틸히드리진
메틸히드리진 구조식 이미지
카스 번호:
60-34-4
한글명:
메틸히드리진
동의어(한글):
메틸하이드라진;메틸히드라진;메틸히드리진;메틸하이드라진
상품명:
Methylhydrazine
동의어(영문):
MMH;CH3NHNH2;Hydrazomethane;Methylydrazine;Metylohydrazyna;methyl-hydrazin;Methylhydrazine;Hydrazinomethane;1-Methylhydrazine;HydraZine,methyl-
CBNumber:
CB7853951
분자식:
CH6N2
포뮬러 무게:
46.07
MOL 파일:
60-34-4.mol

메틸히드리진 속성

녹는점
-21 °C
끓는 점
88-90 °C(lit.)
밀도
0.875 g/mL at 20 °C(lit.)
증기 밀도
1.6 (vs air)
증기압
37.5 mm Hg ( 20 °C)
굴절률
n20/D 1.4325(lit.)
인화점
70 °F
저장 조건
Flammables area
용해도
Soluble in alcohol and ether (Weast, 1986)
물리적 상태
liquid
색상
colorless to pale yellow
폭발한계
97%
수용성
soluble
Merck
13,6109
BRN
635645
노출 한도
Potential occupational carcinogen. NIOSH REL: 2-h ceiling 0.04 ppm (0.08 mg/m3), IDLH 20 ppm; OSHA PEL: ceiling 0.2 ppm (0.35 mg/m3); ACGIH TLV: TWA 0.01 ppm (adopted).
안정성
Stable. Flammable. Hygroscopic. Incompatible with strong oxidizing agents, copper, iron and their alloys.
CAS 데이터베이스
60-34-4(CAS DataBase Reference)
NIST
Hydrazine, methyl-(60-34-4)
EPA
Hydrazine, methyl-(60-34-4)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 F,T+,N,T
위험 카페고리 넘버 11-24/25-26-34-40-51/53-45-23/24/25-50/53
안전지침서 16-26-28-36/37/39-45-60-53-24/25-61
유엔번호(UN No.) UN 1244 6.1/PG 1
WGK 독일 3
RTECS 번호 MV5600000
자연 발화 온도 385 °F
위험 등급 6.1(a)
포장분류 I
HS 번호 29280000
유해 물질 데이터 60-34-4(Hazardous Substances Data)
독성 LD50 orally in mice, rats: 33.0, 32.5 mg/kg (Witkin); orally in rats: 70.7 mg/kg (Gregory)
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H225 고인화성 액체 및 증기 인화성 액체 구분 2 위험 P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, 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
H350 암을 일으킬 수 있음 (노출되어도 암을 일으키지 않는다는 결정적인 증거가 있는 노출경로가 있다면 노출경로 기재) 발암성 물질 구분 1A, 1B 위험
H410 장기적 영향에 의해 수생생물에 매우 유독함 수생 환경유해성 물질 - 만성 구분 1 경고 P273, P391, P501
예방조치문구:
P201 사용 전 취급 설명서를 확보하시오.
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P260 분진·흄·가스·미스트·증기·...·스프레이를 흡입하지 마시오.
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P273 환경으로 배출하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.

메틸히드리진 MSDS


1-Methylhydrazine

메틸히드리진 C화학적 특성, 용도, 생산

화학적 성질

colourless liquid with an ammonia-like odour

화학적 성질

Methyl hydrazine is a fuming, colorless liquid with an ammonia-like odor. The odor threshold is 1.31.7 ppm.

물리적 성질

Fuming, clear, colorless liquid with an ammonia-like odor. Odor threshold concentrations ranged from 1 to 3 ppm (quoted, Keith and Walters, 1992).

용도

Missile propellant, intermediate, solvent.

공기와 물의 반응

Highly flammable. Often ignites spontaneously. Exposure to air on a large surface may result in spontaneous ignition [Def. Res. and Eng. 27. 1963]. Water soluble. Solutions are highly alkaline and generate heat when water is added.

반응 프로필

Methylhydrazine is a powerful reducing agent. Ignites upon contact with oxidizing agents i.e. dinitrogen tetraoxide, hydrogen peroxide [Hawley]. Water used to extinguish a fire may cause pollution and should be diked for later disposal. Gives basic solutions with water that generate heat when water is added.

위험도

Flammable, dangerous fire risk, vapors mayexplode, may self-ignite in air and on contact withoxidizing agents. Toxic by ingestion and inhalation.Eye and upper respiratory tract irritant, lung cancerand liver damage. Possible carcinogen.

건강위험

Methyl hydrazine vapors are extremely toxic and the liquid is corrosive to skin. Methyl hydrazine is the strongest convulsant and the most toxic of methyl-substituted hydrazine derivatives. It is more toxic than hydrazine. At high doses, it is a strong central nervous system poison that can lead to convulsions and death. Skin rash may be aggravated by skin exposure.

화재위험

Extremely flammable; ignites spontaneously under almost all normal temperature conditions. Water used to extinguish a fire may cause pollution and should be diked for later disposal. Water may be ineffective in extinguishing fires due to the chemical's low flash point. Because of the wide flammability limits, low flash point, and reignition hazard, dry chemicals, carbon dioxide, water spray, and foam may not be as effective as water dilution of fire area. The vapor is heavier than air; thus Methylhydrazine may accumulate sufficiently to flash back. Methylhydrazine fires produce irritating nitrogen oxides. Ignites spontaneously in air when in contact with porous materials (e.g., earth, asbestos, wood, or cloth). Also ignites spontaneously on contact with strong oxidizing agents (e.g., fluorine, chlorine trifluoride, fuming nitric acid, and nitrogen tetroxide). Heat or flame should be avoided because chemical is extremely flammable and explosive.

Safety Profile

Suspected carcinogen with experimental carcinogenic, neoplastigenic, tumorigenic, and teratogenic data. Poison by inhalation, ingestion, skin contact, intraperitoneal, subcutaneous, and intravenous routes. Experimental reproductive effects. Human mutation data reported. Corrosive to skin, eyes and mucous membranes. May self-ignite in air. Very dangerous fire hazard when exposed to heat or flame. To fight fire, use alcohol foam, CO2, dry chemical. Explosive in the form of vapor when exposed to heat or flame. A powerful reducing agent. It is hypergolic with many oxidants (e.g., dinitrogen tetraoxide and hydrogen peroxide). When heated to decomposition it emits toxic fumes of NOx.

잠재적 노출

MMH has been used as the propellant in liquid propellant rockets; it is also used as a solvent and as an organic intermediate.

Source

Rocket fuel; solvent; intermediate; organic synthesis.

환경귀착

Biological. It was suggested that the rapid disappearance of methylhydrazine in sterile and nonsterile soil (Arrendondo fine sand) under aerobic conditions was due to chemical oxidation. Although the oxidation product was not identified, it biodegraded to carbon dioxide in the nonsterile soil. The oxidation product did not degrade in the sterile soil (Ou and Street, 1988).

운송 방법

UN1244 Methylhydrazine, Hazard class: 6.1; Labels: 6.1-Poison Inhalation Hazard, 3-Flammable liquid, 8-Corrosive material, Inhalation Hazard Zone A

Purification Methods

Dry with BaO, then distil it in a vacuum. Store it under nitrogen. [Beilstein 4 IV 3322.]

비 호환성

May form explosive mixture with air. Methyl hydrazine is a highly reactive reducing agent and a medium strong base. May explode if heated. Violent reaction with strong oxidizers, such as fluorine, chlorine, combustibles, nitric acid; hydrogen peroxide. Incompatible with acids, alcohols, glycols, isocyanates, phenols, cresols; porous materials, such as earth, asbestos, wood and cloth. Oxides of iron or copper, manganese, lead, copper or their alloys can lead to fire and explosions. Attacks cork, some plastics, coatings and rubber.

폐기물 처리

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. There are 2 alternatives: Dilute with water, neutralize with sulfuric acid, then flush to sewer with large volumes of water or incinerate with added flammable solvent in furnace equipped with afterburner and alkaline scrubber.

메틸히드리진 준비 용품 및 원자재

원자재

준비 용품

1-METHYL-3-PHENYL-1H-PYRAZOLE-5-CARBALDEHYDE ETHYL 1-METHYL-5-PROPYL-1H-PYRAZOLE-3-CARBOXYLATE (5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-YL)METHANAMINE 1-Methyl-5-propyl-1H-pyrazole-3-carboxylic acid amide ,97% 1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID 1-METHYL-5-(TRIFLUOROMETHYL)-1H-PYRAZOL-3-OL 1,5-DIMETHYL-1H-PYRAZOLE-3-CARBOXYLIC ACID 5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE 1-Methyl-3-propyl-1H-pyrazole-5-carboxamide ,97% 5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE-4-CARBONYL CHLORIDE 2,2,2-TRIFLUORO-1-(3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-YL)ETHANONE 4-CHLORO-1,3-DIMETHYLPYRAZOLO[3,4-B]PYRIDINE-5-CARBOXYLIC ACID 1,4,6-Trimethyl-1H-pyrazolo[3,4-b]pyridin-3-ylamine ,97% 1-METHYL-1H-PYRAZOLO[3,4-B]PYRIDIN-3-YLAMINE 1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE ETHYL 2-METHYL-3-(TRIFLUOROMETHYL)PYRAZOLE-4-CARBOXYLATE 1-Methyl-3-propyl-1H-pyrazole-5-carbohydrazide ,97% 1,5-DIMETHYL-1H-PYRAZOLE-3-CARBONYL CHLORIDE 5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-AMINE 1,3-DIMETHYL-1H-THIENO[2,3-C]PYRAZOLE-5-CARBOXYLIC ACID 5-AMINO-3-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID ETHYL ESTER 3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID ETHYL ESTER 5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE-4-CARBONITRILE 1-METHYL-3-PROPYLPYRAZOLE-5-CARBOXYLIC ACID 프로카바진 수화염화물 1-METHYL-5-(1H-PYRROL-1-YL)-1H-PYRAZOLE-4-CARBOXYLIC ACID 5-Chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde ETHYL 1-METHYL-5-(1H-PYRROL-1-YL)-1H-PYRAZOLE-4-CARBOXYLATE 4-Bromo-1,3,5-trimethyl-1H-pyrazole 1,3,5-Trimethylpyrazole 1-METHYL-5-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID 1-METHYL-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID ETHYL ESTER (5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-YL)METHANOL 1,3-Dimethyl-5-hydroxypyrazole 안티피린 1-METHYL-5-PROPYL-1H-PYRAZOLE-3-CARBOXYLIC ACID 4-BROMO-1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE 5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE-4-CARBALDEHYDE 5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE-4-CARBOXAMIDE 아짐설푸론

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