육플루오린화 황

육플루오린화 황
Skeletal formula of sulfur hexafluoride with assorted dimensions
Skeletal formula of sulfur hexafluoride with assorted dimensions
Spacefill model of sulfur hexafluoride
Spacefill model of sulfur hexafluoride
Ball and stick model of sulfur hexafluoride
이름
IUPAC 이름
Sulfur hexafluoride
체계명
Hexafluoro-λ6-sulfane[1]
별칭
Elagas

Esaflon
Sulfur(VI) fluoride

Sulfuric fluoride
식별자
3D 모델 (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.018.050
EC 번호
  • 219-854-2
2752
KEGG
MeSH Sulfur+hexafluoride
RTECS 번호
  • WS4900000
UNII
UN 번호 1080
  • InChI=1S/F6S/c1-7(2,3,4,5)6 예
    Key: SFZCNBIFKDRMGX-UHFFFAOYSA-N 예
  • FS(F)(F)(F)(F)F
성질
SF6
몰 질량 146.06 g/mol
겉보기 무색 기체
냄새 odorless[2]
밀도 6.17 g/L
녹는점 −64 °C; −83 °F; 209 K
끓는점 −50.8 °C (−59.4 °F; 222.3 K)
임계점 (T, P) 45.51±0.1 °C, 3.749±0.01 MPa[3]
0.003% (25 °C)[2]
용해도 slightly soluble in water, very soluble in 에탄올, 헥세인, 벤젠
증기 압력 2.9 MPa (at 21.1 °C)
−44.0×10−6 cm3/mol
열전도율
  • 13.45 mW/(m·K) at 25 °C[4]
  • 11.42 mW/(m·K) at 0 °C
점도 15.23 μPa·s[5]
구조
Orthorhombic, oP28
Oh
Orthogonal hexagonal
Octahedral
0 D
열화학
0.097 kJ/(mol·K) (constant pressure)
292 J·mol−1·K−1[6]
−1209 kJ·mol−1[6]
약리학
V08DA05 (WHO)
라이선스 데이터
위험
물질 안전 보건 자료 External MSDS
S-phrases (outdated) S38
NFPA 704 (파이어 다이아몬드)
NIOSH (미국 건강 노출 한계):
PEL (허용)
TWA 1000 ppm (6000 mg/m3)[2]
REL (권장)
TWA 1000 ppm (6000 mg/m3)[2]
IDLH (직접적 위험)
N.D.[2]
관련 화합물
관련 sulfur fluorides
Disulfur decafluoride
사플루오린화 황
관련 화합물
Selenium hexafluoride
Sulfuryl fluoride
Tellurium hexafluoride
Polonium hexafluoride
달리 명시된 경우를 제외하면, 표준상태(25 °C [77 °F], 100 kPa)에서 물질의 정보가 제공됨.
예 확인 (관련 정보 예아니오아니오 ?)

육플루오린화 황(육불화황)(화학식: SF6)은 플루오린의 화합물로, 황 원자를 중심으로 플루오린 원자가 정팔면체 구조를 취하고 있다.

인체에 무해하나 흡입 시 성대에 영향을 주어 목소리가 일시 변화된다. 지구 온난화를 가속하는 가스이며, 1960년대부터 절연제 등으로 넓게 사용되고 있다. 이 기체인공적온실 효과를 만들어내는 기체이다. 사용량은 많지 않았으나, 최근 들어서 수요량이 늘어나고 있다. 이산화탄소, HFCs, PFCs와 함께 대표적인 온실 가스이다.

특징

이산화탄소와 같이 1기압하의 끓는점에서 승화한다. 표준 상태에서의 밀도는 6.12g/L로, 공기보다 약 5배 정도 무거운 기체이며 절연성이 뛰어나다.

  • 화학적, 물리적 특성
  1. 열적 안정성이 뛰어나다.
  2. 화학적으로 비활성이므로 안정적인 기체이다.
  3. 무색, 무취, 무해, 불연성 기체이다.
  4. 열 전달성이 뛰어나다.
  • 전기적 특성
  1. 절연내력이 높다.
  2. 소호 능력이 좋다.
  3. arc가 안정적이다.
  4. 절연 회복이 빠르다.

용도

높은 절연성으로 변압기, 절연 개폐 장치 등의 절연 매체로 사용된다. 이 외에도 반도체 제품이나 액정 패널의 제조 과정에서도 사용된다. 특수한 예로 어뢰엔진 연료에도 사용된다.

같이 보기

각주

  1. “Sulfur Hexafluoride - PubChem Public Chemical Database”. 《PubChem》. National Center for Biotechnology Information. 3 November 2012에 원본 문서에서 보존된 문서. 22 February 2013에 확인함. 
  2. NIOSH Pocket Guide to Chemical Hazards. “#0576”. 미국 국립 직업안전위생연구소 (NIOSH). 
  3. Horstmann, Sven; Fischer, Kai; Gmehling, Jürgen (2002). “Measurement and calculation of critical points for binary and ternary mixtures”. 《AIChE Journal48 (10): 2350–2356. doi:10.1002/aic.690481024. ISSN 0001-1541. 
  4. Assael, M. J.; Koini, I. A.; Antoniadis, K. D.; Huber, M. L.; Abdulagatov, I. M.; Perkins, R. A. (2012). “Reference Correlation of the Thermal Conductivity of Sulfur Hexafluoride from the Triple Point to 1000 K and up to 150 MPa”. 《Journal of Physical and Chemical Reference Data》 41 (2): 023104–023104–9. doi:10.1063/1.4708620. ISSN 0047-2689. 
  5. Assael, M. J.; Kalyva, A. E.; Monogenidou, S. A.; Huber, M. L.; Perkins, R. A.; Friend, D. G.; May, E. F. (2018). “Reference Values and Reference Correlations for the Thermal Conductivity and Viscosity of Fluids”. 《Journal of Physical and Chemical Reference Data47 (2): 021501. doi:10.1063/1.5036625. ISSN 0047-2689. PMC 6463310. PMID 30996494. 
  6. Zumdahl, Steven S. (2009). 《Chemical Principles 6th Ed》. Houghton Mifflin Company. A23쪽. ISBN 978-0-618-94690-7. 

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