염화 철(III)

염화 철(III)

Iron(III) chloride (hydrate)

Iron(III) chloride (anhydrous)
이름
IUPAC 이름
Iron(III) chloride
Iron trichloride
별칭
  • Ferric chloride
  • Molysite
  • Flores martis
식별자
3D 모델 (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.028.846
EC 번호
  • 231-729-4
RTECS 번호
  • LJ9100000
UNII
UN 번호
  • 1773 (anhydrous)
  • 2582 (aqueous solution)
  • InChI=1S/3ClH.Fe/h3*1H;/q;;;+3/p-3 예
    Key: RBTARNINKXHZNM-UHFFFAOYSA-K 예
  • InChI=1S/3ClH.Fe/h3*1H;/q;;;+3/p-3
    Key: RBTARNINKXHZNM-DFZHHIFOAF
  • Key: RBTARNINKXHZNM-UHFFFAOYSA-K
  • Cl[Fe](Cl)Cl
성질
FeCl
3
몰 질량
  • 162.204 g/mol (anhydrous)
  • 270.295 g/mol (hexahydrate)[1]
겉보기 Green-black by reflected light; purple-red by transmitted light; yellow solid as hexahydrate; brown as aqueous solution
냄새 Slight HCl
밀도
  • 2.90 g/cm3 (anhydrous)
  • 1.82 g/cm3 (hexahydrate)[1]
녹는점 307.6 °C (585.7 °F; 580.8 K) (anhydrous)
37 °C (99 °F; 310 K) (hexahydrate)[1]
끓는점
  • 316 °C (601 °F; 589 K) (anhydrous, decomposes)[1]
  • 280 °C (536 °F; 553 K) (hexahydrate, decomposes)
 
912 g/L (anhydrous or hexahydrate, 25 °C)[1]
에서의 용해도
  •  
  • 630 g/L (18 °C)
  • Highly soluble
  • 830 g/L
  • Highly soluble
+13,450·10−6 cm3/mol[2]
점도 12 cP (40% solution)
구조
Hexagonal, hR24
R3, No. 148[3]
a = 0.6065 nm, b = 0.6065 nm, c = 1.742 nm
α = 90°, β = 90°, γ = 120°
6
Octahedral
위험[5][6][Note 1]
물질 안전 보건 자료 ICSC 1499
GHS 그림문자 Corr. Met. 1; Skin Corr. 1C; Eye Dam. 1Acute Tox. 4 (oral)
신호어 위험
H290, H302, H314, H318
P234, P260, P264, P270, P273, P280, P301+312, P301+330+331, P303+361+353, P363, P304+340, P310, P321, P305+351+338, P390, P405, P406, P501
NFPA 704 (파이어 다이아몬드)
NFPA 704 four-colored diamondFlammability code 0: Will not burn. E.g. waterHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
0
2
0
인화점 Non-flammable
NIOSH (미국 건강 노출 한계):
REL (권장)
TWA 1 mg/m3[4]
관련 화합물
다른 음이온
다른 양이온
관련 coagulants
달리 명시된 경우를 제외하면, 표준상태(25 °C [77 °F], 100 kPa)에서 물질의 정보가 제공됨.
아니오아니오 확인 (관련 정보 예아니오아니오 ?)

염화 철(III)(Iron(III) chloride)은 화학식 FeCl3을 갖는 무기 화합물이다. +3 산화수의 흔한 철 화합물이다. 이 무수화합물은 고체 결정이며 녹는점은 307.6 °C에 이른다. 색은 보는 각도에 따라 다르게 나타난다. 반사되는 빛에 의해 결정은 어두운 녹색으로 보이지만 투과되는 빛에 의해 자주색-빨간색으로 보인다.

준비

2 Fe + 3 Cl
2
→ 2 FeCl
3

안전

염화 철(III)은 유해하며 매우 부식성이 강한 산성이다. 강력한 탈수제 역할을 한다.

인간에 미치는 독성이 희귀하다는 보고가 있긴 하지만 염화 철을 소화하면 치명적이며 사망에 이를 수 있다.

각주

  1. Haynes, William M., 편집. (2011). 《CRC Handbook of Chemistry and Physics》 92판. Boca Raton, FL: CRC Press. 4.69쪽. ISBN 1439855110. 
  2. Haynes, William M., 편집. (2011). 《CRC Handbook of Chemistry and Physics》 92판. Boca Raton, FL: CRC Press. 4.133쪽. ISBN 1439855110. 
  3. Hashimoto S, Forster K, Moss SC (1989). “Structure refinement of an FeCl3 crystal using a thin plate sample”. 《J. Appl. Crystallogr.22 (2): 173–180. doi:10.1107/S0021889888013913. 
  4. NIOSH Pocket Guide to Chemical Hazards. “#0346”. 미국 국립 직업안전위생연구소 (NIOSH). 
  5. 《HSNO Chemical Classification Information Database》, New Zealand Environmental Risk Management Authority, 2010년 9월 19일에 확인함 
  6. Various suppliers, collated by the Baylor College of Dentistry, Texas A&M University. (accessed 2010-09-19)
  7. 《GHS classification – ID 831》, Japanese GHS Inter-ministerial Committee, 2006, 2010년 9월 19일에 확인함 
내용주
  1. An alternative GHS classification from the Japanese GHS Inter-ministerial Committee (2006)[7] notes the possibility of respiratory tract irritation from FeCl
    3
    and differs slightly in other respects from the classification used here.

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