所有图片(1)
About This Item
线性分子式:
FeCl2 · 4H2O
CAS号:
分子量:
198.81
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.21
蒸汽压
10 mmHg ( 693 °C)
质量水平
等级
puriss. p.a.
检测方案
≥99.0% (RT)
形式
powder or crystals
杂质
≤0.001% total nitrogen (N)
pH值（酸碱度）
2.5 (20 °C, 100 g/L)
痕量阴离子
sulfate (SO42-): ≤100 mg/kg
痕量阳离子
As: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤50 mg/kg
Cr: ≤10 mg/kg
Cu: ≤5 mg/kg
Fe3+: ≤2000 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤50 mg/kg
Na: ≤50 mg/kg
Ni: ≤50 mg/kg
Pb: ≤10 mg/kg
Zn: ≤20 mg/kg
SMILES字符串
O.O.O.O.Cl[Fe]Cl
InChI
1S/2ClH.Fe.4H2O/h2*1H;;4*1H2/q;;+2;;;;/p-2
InChI key
WSSMOXHYUFMBLS-UHFFFAOYSA-L
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应用
氯化铁（II）四水合物可以作为催化剂用于：
- 腈和各种卤代烃合成 N-取代酰胺的无溶剂Ritter反应。
- 炔间接水化反应合成酮。
- 在锂和DTBB的参与下立体选择性地将 α, β-不饱和羰基化合物还原成相应的饱和醇。
警示用语：
Danger
危险声明
危险分类
Acute Tox. 4 Oral - Eye Dam. 1
WGK
WGK 1
闪点(°F)
does not flash
闪点(°C)
does not flash
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Ferrous ion co-catalyst enhancement of dilute-acid (DA) pretreatment of biomass is a promising technology for increasing the release of sugars from recalcitrant lignocellulosic biomass. However, due to the reductive status of ferrous ion and its susceptibility to oxidation with exposure
The crystal structure of iron (II) chloride tetrahydrate.
Penfold BR and Grigor JA.
Acta Crystallographica, 12(11), 850854-850854 (1959)
Electron microscopy study of CVT grown Fe-sulphides.
Zavasnik J and Recnik A.
Journal of Crystal Growth, 367, 18-23 (2013)
Angéla Hajdú et al.
Colloids and surfaces. B, Biointerfaces, 94, 242-249 (2012-03-01)
Magnetite nanoparticles (MNPs) were prepared by alkaline hydrolysis of Fe(II) and Fe(III) chlorides. Adsorption of polyacrylic acid (PAA) on MNPs was measured at pH=6.5±0.3 and I=0.01 M (NaCl) to find the optimal PAA amount for MNP stabilization under physiological conditions.
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