기본 정보
- 표준 SMILES
CC#CC- InChIKey
XNMQEEKYCVKGBD-UHFFFAOYSA-N- 분자식
- C4H6
- 평균 분자량
- 54.09 g/mol
- 단동위원소 질량
- 54.04695019
개요
Crotonylene appears as a clear colorless liquid with a petroleum-like odor. Less dense than water and insoluble in water. Vapors heavier than air.
이름 및 식별자
- 우선 이름
- Dimethylacetylene
- IUPAC
- but-2-yne
- 영어명
- 2-Butyne
- 분자식
- C4H6
- 분자량
- 54.09
이름 및 동의어
이름 더 보기
데이터베이스 식별자
- CAS
503-17-3- PubChem CID
- 10419
- DTXSID
DTXSID3060116- ChEMBL
CHEMBL119108- UNII
- LKE6D3018E
- EC Number
- 207-962-2
- Nikkaji
- J2.603D
물성
구조 계산 물성
- XLogP
- 1.5
- 극성 표면적
- 0 Ų
- 수소 결합 공여자 수
- 0
- 수소 결합 수용자 수
- 0
- 회전 가능 결합 수
- 0
- 무거운 원자 수
- 4
- 형식 전하
- 0
- 복잡도
- 42.9
실험 및 물리화학적 성질
Chemical Classes
Other Classes -> Aliphatics, Unsaturated
Flammable agents - 4th degree
Physical Description
Crotonylene appears as a clear colorless liquid with a petroleum-like odor. Less dense than water and insoluble in water. Vapors heavier than air.
Clear colorless liquid with an odor of petroleum; [CAMEO]
물리화학적 성질
- 녹는점
- -32.3 °C · -32.3 °C
- 끓는 점
- 26.9 °C · 26.9 °C
- 밀도
- 0.715 g/cm3 · 0.715 g/cm3(Temp: 0 °C)
안전 및 규제
GHS 분류
GHS Classification
Danger
H224 (100%): Extremely flammable liquid and vapor [Danger Flammable liquids]
P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 76 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
유해성 정보
Regulatory Information
Chemical: 2-Butyne
The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
Fire Hazards
Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
· HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Health Hazards
Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
CAUTION: Petroleum crude oil (UN1267) may contain TOXIC hydrogen sulphide gas.
Reactivity Profile
CROTONYLENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions.
DOT Hazard Classification
Crotonylene
UN1144
Class 3 Flammable and combustible liquid (49 eCFR § 173.120)
PG I: the degree of danger presented by the material is great
안전 및 보호
Accidental Release Measures
· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.
· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.
First Aid
Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
General First Aid:
Isolation and Evacuation
Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
Immediate precautionary measure
독성 정보
안전 데이터
- 신호 어
- Danger
- 유해·위험 문구
- 암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드 H224
화학 및 산업
용도 및 제조
공급사42 곳
관련 반응
연결된 노트
불러오는 중…