아이소뷰테인

아이소뷰테인
Chemical structure of isobutane with all atoms explicitly shown
Chemical structure of isobutane with all atoms explicitly shown
Skeletal formula of isobutane
Skeletal formula of isobutane
Ball and stick model of isobutane
Ball and stick model of isobutane
Spacefill model of isobutane
Spacefill model of isobutane
이름
우선명 (PIN)
2-Methylpropane[1]
별칭
Isobutane
식별자
3D 모델 (JSmol)
1730720
ChEBI
ChemSpider
ECHA InfoCard 100.000.780
EC 번호
  • 200-857-2
E 번호 E943b (광택제, ...)
1301
KEGG
RTECS 번호
  • TZ4300000
UNII
UN 번호 1969
  • InChI=1S/C4H10/c1-4(2)3/h4H,1-3H3 예예
    Key: NNPPMTNAJDCUHE-UHFFFAOYSA-N 예예
  • CC(C)C
성질
C4H10
몰 질량 58.124 g·mol−1
겉보기 Colorless gas
냄새 Odorless
밀도
  • 2.51 kg/m3 (at 15 °C, 100 kPa)
  • 563 kg/m3 (at 15 °C, boiling liquid)
녹는점 −159.42 °C (−254.96 °F; 113.73 K)[4]
끓는점 −11.7 °C (10.9 °F; 261.4 K)[4]
48.9 mg⋅L−1 (at 25 °C (77 °F))[2]
증기 압력 3.1 atm (310 kPa) (at 21 °C (294 K; 70 °F))[3]
8.6 nmol⋅Pa−1⋅kg−1
짝산 Isobutanium
−51.7·10−6 cm3/mol
열화학
96.65 J⋅K−1⋅mol−1
−134.8 – −133.6 kJ⋅mol−1
−2.86959 – −2.86841 MJ⋅mol−1
위험
물질 안전 보건 자료 praxair.com
GHS 그림문자 GHS02: Flammable
신호어 위험
H220
P210
NFPA 704 (파이어 다이아몬드)
NFPA 704 four-colored diamondFlammability code 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneHealth code 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
4
1
0
인화점 −83 °C (−117 °F; 190 K)
460 °C (860 °F; 733 K)
폭발 한계 1.4–8.3%
NIOSH (미국 건강 노출 한계):
PEL (허용)
 None[5]
REL (권장)
 TWA 800 ppm (1900 mg/m3)[5]
IDLH (직접적 위험)
 N.D.[5]
관련 화합물
관련 알케인
 아이소펜테인
달리 명시된 경우를 제외하면, 표준상태(25 °C [77 °F], 100 kPa)에서 물질의 정보가 제공됨.
아니오아니오 확인 (관련 정보 예예아니오아니오 ?)

아이소뷰테인(영어: Isobutane) 또는 이소부탄은 뷰테인의 구조 이성질체다. 메틸 프로페인이라고도 한다. 화학식은 C4H10이며 프레온 가스의 대용으로 사용된다. 주로 에어로졸 스프레이, 냉장고의 냉각제(또는 냉매)등으로 사용된다. 이소부탄(isobutane)는 가연성 천연가스로 존재한다.

사용

주로 프레온 가스의 대체재로 냉매 혹은 스프레이등에 사용된다. 그러나 폭발이나 화재의 위험이 있다.

각주

  1. ↑ 《Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book)》. Cambridge: The Royal Society of Chemistry. 2014. 652쪽. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4. The names ‘isobutane’, ‘isopentane’ and ‘neopentane’ are no longer recommended. 
  2. ↑ “Solubility in Water”. 《PubChem》. National Center for Biotechnology Information. 2017년 4월 6일에 확인함. 
  3. ↑ “CDC - NIOSH Pocket Guide to Chemical Hazards - Isobutane”. 《CDC - NIOSH Pocket Guide to Chemical Hazards》. CDC. 2018년 12월 28일에 확인함. 
  4. ↑ 가 나 Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
  5. ↑ 가 나 다 NIOSH Pocket Guide to Chemical Hazards. “#0350”. 미국 국립 직업안전위생연구소 (NIOSH). 
  • [참고](과도 상태에서 R-600a와 R-134a의 증기 응축 특성에 관한 실험적 연구 Experimental Investigation of Refrigerant Vapor Condensation During a Transient tate ,설비공학 논문집 KJACR, 2019, vol.31, no.6, pp. 258-264 (7 pages) DOI : 10.6110/KJACR.2019.31.6.258 발행기관 : 대한설비공학회

이가은 /LEE GAEUN 1 , 정지환 /JEONG， JI HWAN 2 ,1부산대학교 2부산대학교)https://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART002470787

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