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부소부틸로니트릴

부소부틸로니트릴
부소부틸로니트릴 구조식 이미지
카스 번호:
78-82-0
한글명:
부소부틸로니트릴
동의어(한글):
2-메틸프로페인나이트릴;2-메틸프로판니트릴;부소부틸로니트릴;이소부티로니트릴;2-메틸프로판나이트릴;2-메틸프로피오나이트릴;이소프로필 시안화물
상품명:
Isobutyronitrile
동의어(영문):
iso-C3H7CN;2-Cyanopropane;Isobutyronitril;Isopropylcyanid;Isopropylkyanid;Isobutanenitrile;Isopropylnitrile;ISOBUTYRONITRILE;Isobutylronitrile;isiobutyronitrile
CBNumber:
CB9854381
분자식:
C4H7N
포뮬러 무게:
69.11
MOL 파일:
78-82-0.mol

부소부틸로니트릴 속성

녹는점
-72 °C (lit.)
끓는 점
107-108 °C (lit.)
밀도
0.770 g/mL at 20 °C (lit.)
증기 밀도
2.38 (vs air)
증기압
100 mm Hg ( 54.4 °C)
굴절률
n20/D 1.372(lit.)
인화점
39 °F
저장 조건
Flammables area
용해도
slightly soluble in water and acetone, very soluble in alcohol and ether
물리적 상태
Liquid
색상
Clear colorless to light yellow
수용성
35 g/L (20 ºC)
Merck
14,5156
BRN
1340512
안정성
Stable. Flammable. May form explosive mixtures with air. Incompatible with strong oxidizing agents.
CAS 데이터베이스
78-82-0(CAS DataBase Reference)
NIST
Propanenitrile, 2-methyl-(78-82-0)
EPA
Isobutyronitrile (78-82-0)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 F,T
위험 카페고리 넘버 11-23/24/25-36/37/38
안전지침서 9-16-24/25-26-36/37/39-45-23
유엔번호(UN No.) UN 2284 3/PG 2
WGK 독일 2
RTECS 번호 TZ4900000
위험 참고 사항 Highly Flammable/Toxic
TSCA Yes
위험 등급 3
포장분류 II
HS 번호 29269095
유해 물질 데이터 78-82-0(Hazardous Substances Data)
독성 LD50 (mg/kg): 25 i.p. in mice; 200 orally in rats (Zeller); LD50 orally in male mice: 0.3652 mmol/kg (Tanii)
기존화학 물질 KE-24871
유해화학물질 필터링 97-1-433
함량 및 규제정보 물질구분: 유독물질; 혼합물(제품)함량정보: 2-메틸프로판니트릴 및 이를 25% 이상 함유한 혼합물
그림문자(GHS):
신호 어:
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
H301 삼키면 유독함 급성 독성 물질 - 경구 구분 3 위험 P264, P270, P301+P310, P321, P330,P405, P501
H311 피부와 접촉하면 유독함 급성 독성 물질 - 경피 구분 3 위험 P280, P302+P352, P312, P322, P361,P363, P405, P501
H330 흡입하면 치명적임 급성 독성 물질 흡입 구분 1, 2 위험 P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
예방조치문구:
P320 긴급히 (…) 처치를 하시오.
P330 입을 씻어내시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P304+P340 흡입하면 신선한 공기가 있는 곳으로 옮기고 호흡하기 쉬운 자세로 안정을 취하시오.
P405 밀봉하여 저장하시오.
NFPA 704
3
3 0

부소부틸로니트릴 C화학적 특성, 용도, 생산

화학적 성질

colourless liquid

용도

Solvent.

용도

Isobutyronitrile can be derived from isobutyraldehyde and is used in organic synthesis and as a gasoline additive.

용도

Used in the synthesis of gasoline additives, as a catalyst in the production of polyethylene.

생산 방법

Isobutyronitrile is prepared from isobutyraldehyde by cyanation with ammonia.

일반 설명

A clear colorless liquid. Flash point 47°F. Less dense than water. Vapors heavier than air. Toxic oxides of nitrogen produced during combustion.

공기와 물의 반응

Highly flammable. Slightly soluble in water.

반응 프로필

Isobutyronitrile is incompatible with the following: Oxidizers, reducing agents, strong acids & bases .

위험도

Toxic by ingestion, inhalation, and skin absorption.

건강위험

Isobutyronitrile is considered highly hazardous and full precautions should be taken to prevent skin contact or inhalation of vapor. Inhaled isobutyronitrile is about 2.4 times as toxic as acetonitrile in rats. In order to protect workers, the recommended TWA limit is obtained by dividing that for acetonitrile by the factor 2.4. NIOSH has therefore recommended that employee exposure should not exceed 8 p.p.m. (22 mg/m3) for either compound as a TLV-TWA .
Isobutyronitrile was implicated in several cases of industrial poisoning. Thiess and Hey reported that a worker became unconscious following isobutyronitrile exposure. His immediate symptomatology included convulsive movements of upper limbs, soft and thready pulse, dilated pupils, shallow and gasping breathing and secretion of viscous mucus. After hospital admission, an exacerbation of the condition occurred with tonic-clonic movements of the upper extremities. The patient was cyanotic, the pulse faint and thready. The patient was treated intravenously with noradrenaline (1 mg) followed by amyl nitrite, sodium nitrite, and sodium thiosulphate. The man's cyanotic condition diminished and his pulse strengthened, although his gasping breath and upper limb convulsions continued. He was given intravenous injections of lobeline and phenobarbital. Rapid improvement occurred and the patient recovered gradually, leaving the hospital symptom-free at 14 d after admission. Two milder inhalation exposures of isobutyronitrile were reported by Zeller et al in which an unknown concentration of vapor produced headache, dizziness, and vomiting at 10-60 min after exposure. The intensity of symptoms varied with the concentration and duration of exposure.

건강위험

Poisonous; may be fatal if inhaled, swallowed, or absorbed through skin. Contact may cause burns to skin and eyes. (Non-Specific -- Nitriles) Primarily, they are skin and eye irritants. Large doses cause collapse and stop breathing.

화재위험

Vapor may explode if ignited in an enclosed area. Toxic oxides of nitrogen are produced during combustion. Isobutyronitrile is a flammable/combustible material and may be ignited by heat, sparks, or flames. Vapors may travel to a source of ignition and flash back. Container may explode in heat of fire. Vapor explosion and poison hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Hazardous polymerization may not occur.

공업 용도

Isobutyronitrile is used in organic synthesis, as a catalyst in the polymerization of ethylene and in the petroleum industry as a gasoline additive.

신진 대사

Thiocyanate was present in the urine of rats dosed orally with isobutyronitrile.

Purification Methods

Shake the nitrile with conc HCl (to remove isonitriles), then with water and aqueous NaHCO3. After a preliminary drying with silica gel or Linde type 4A molecular sieves, it is shaken or stirred with CaH2 until hydrogen evolution ceases, then decanted and distilled from P2O5 (not more than 5g/L, to minimize gel formation) or Drierite (b 101-103o/760mm). Finally it is refluxed with, and slowly distilled from CaH2 (5g/L), taking precautions to exclude moisture. [Beilstein 2 H 294, 2 I 129, 2 II 263, 2 III 655, 2 IV 853.]

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