Iron chloride hexahydrate

Bezeichnung:Iron chloride hexahydrate

CAS-Nr10025-77-1

Englisch Name:Iron chloride hexahydrate

CBNumberCB6450492

SummenformelCl3FeH12O6

Molgewicht270.3

MOL-Datei10025-77-1.mol

Iron chloride hexahydrate physikalisch-chemischer Eigenschaften

Schmelzpunkt	37 °C(lit.)
Siedepunkt	280-285 °C(lit.)
Dichte	1,82 g/cm³
Dampfdruck	1 mm Hg ( 194 °C)
Flammpunkt	280-285°C
storage temp.	2-8°C
Löslichkeit	920g/l
Aggregatzustand	purified lumps
Farbe	yellow-brown lumps
Wichte	1.82
PH	1.8 (10g/l, H2O, 25℃)
Wasserlöslichkeit	920 g/L (20 ºC)
Sensitive	Hygroscopic
Merck	14,4019
Expositionsgrenzwerte	ACGIH: TWA 1 mg/m3 NIOSH: TWA 1 mg/m3
Stabilität	Stable. Incompatible with strong oxidizing agents. Forms explosive mixtures with sodium and potassium. Hygroscopic.
CAS Datenbank	10025-77-1(CAS DataBase Reference)

Sicherheit

Kennzeichnung gefährlicher	Xn,C
R-Sätze:	22-38-41-34
S-Sätze:	26-39-45-36/37/39
RIDADR	UN 3260 8/PG 3
WGK Germany	1
RTECS-Nr.	NO5425000
F	3
TSCA	Yes
HazardClass	8
PackingGroup	III
HS Code	28273300
Toxizität	LD50 orally in Rabbit: 316 mg/kg

Gefahreninformationscode (GHS)

Iron chloride hexahydrate Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R22:Gesundheitsschädlich beim Verschlucken.
R38:Reizt die Haut.
R41:Gefahr ernster Augenschäden.
R34:Verursacht Verätzungen.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S39:Schutzbrille/Gesichtsschutz tragen.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
Chemische Eigenschaften
Yellow/brown solid
Verwenden
Iron(III) chloride hexahydrate (FeCl₃.6H₂O) may be employed as an oxidant for the following conversions:
- Synthesis of 2-substituted 4(3H)-quinazolinones (yield = 77-93%).
- Oxidation of 1,4-dihydropyridines (1,4-DHPs) to corresponding pyridines.
- Oxidation of 4-isopropyl-1,4-DHP to dealkylated pyridine.
Verwenden
Iron(III) chloride hexahydrate is used to prepare organically templated iron phosphates. It is used for sewerage treatment of industrial wastes, chloride hydrometallurgy (Silgarin process for the production of silicon), drinking water production, production of precursors for polyvinyl chloride (PVC) and copper-based metals in printed circuit boards. It plays an important role in photoengraving and photography as an etching agent. It is useful as a mordant in dyeing and printing textiles. It is useful in the detection of phenols and phenolic derivatives; gamma-hydroxybutyric acids and also in the Trinder spot test for detecting salicylic acids.
Verwenden
:Iron chloride hexahydrate can be used in clinical reagents (amino acids in urine).
Application
Iron chloride hexahydrate is mainly used as water treatment agent, corrosive agent in printing plate making, electronic circuit board, chlorinating agent in metallurgical industry, oxidant and mordant in dye industry, catalyst and oxidant in organic synthesis industry, chlorinating agent, It is the raw material for the manufacture of other iron salts and pigments and used in mine beneficiation. It is used as a flocculant in the purification of drinking water and industrial water supply. It has good solubility and excellent flocculation effect. Can be used for activated sludge dewatering. The pH range used is 6 to 11, and the optimum pH range is 6 to 8.4. The usual dosage is 5-100 mg/L. The flocs formed are coarse, the sedimentation speed is fast, and it is not affected by temperature. It is used to treat wastewater with high turbidity, and the effect is more significant. The corrosiveness of Iron chloride hexahydrate is stronger than that of ferrous sulfate, and the dosing equipment needs to be treated with anticorrosion.
When it dissolves in water, it produces hydrogen chloride gas, which pollutes the surrounding environment. In addition, Iron chloride hexahydrate can also be used as a waterproofing agent, a corrosive agent for printing and plate making, an oxidant and mordant in the dye industry, a catalyst for organic synthesis, and the manufacture of other iron salts. It can be used as etchant, catalyst, mordant, oxidant, chlorinating agent, condensing agent, disinfectant, hemostatic agent, feed additive, water purifying agent and analytical reagent, etc. Iron chloride hexahydrate is used in nutritional supplements (iron fortifiers). For infant milk powder, weaning food, etc.
Definition
ChEBI: A hydrate that is the hexahydrate form of iron trichloride.
Allgemeine Beschreibung
The iron catalysts are known to be inexpensive and environmentally benign.
läuterung methode
An aqueous solution, saturated with the salt at room temperature, is cooled to -20o for several hours. Separation of the crystals is slow, even with scratching and seeding, and it is generally necessary to stir this overnight. The presence of free HCl retards crystallisation. [Linke J Phys Chem 60 91 1956].

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