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31232

Sigma-Aldrich

Cloruro di ferro(III)

puriss. p.a., reag. Ph. Eur., ≥99%

Sinonimo/i:

Cloruro ferrico

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About This Item

Formula condensata:
FeCl3 · 6H2O
Numero CAS:
Peso molecolare:
270.30
Numero CE:
Numero MDL:
Codice UNSPSC:
12352302
ID PubChem:
NACRES:
NA.21

agenzia

USP/NF
reag. Ph. Eur.

Livello qualitativo

Tensione di vapore

1 mmHg ( 194 °C)

Grado

puriss. p.a.

Saggio

≥99%

Stato

solid

Impurezze

≤0.001% free chlorine (Cl)
≤0.001% total nitrogen (N)
≤0.05% sub.not precip.b.NH4OH(SO4)
≤0.2% free acid (as HCl)

P. ebollizione

280-285 °C (lit.)

Punto di fusione

37 °C (lit.)

Anioni in tracce

phosphate (PO43-): ≤100 mg/kg
sulfate (SO42-): ≤50 mg/kg

Cationi in tracce

As: ≤5 mg/kg
Cu: ≤20 mg/kg
Fe2+: ≤50 mg/kg
Pb: ≤20 mg/kg
Zn: ≤20 mg/kg

Stringa SMILE

O.O.O.O.O.O.Cl[Fe](Cl)Cl

InChI

1S/3ClH.Fe.6H2O/h3*1H;;6*1H2/q;;;+3;;;;;;/p-3
NQXWGWZJXJUMQB-UHFFFAOYSA-K

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Descrizione generale

Iron(III) chloride hexahydrate can be obtained from crystallization of iron(III) chloride from water. Its crystal structure has been studied using three-dimensional single-crystal X-ray-diffraction data. Its crystals have two chloride ions and four water molecules arranged around each ferric ion to form octahedral trans-[FeCl2(OH2)4]+ ions having C2h-2/m symmetry.

Applicazioni

Iron(III) chloride hexahydrate may be employed as an oxidant for the following conversions:
  • Synthesis of 2-substituted 4(3H)-quinazolinones (yield = 77-93%), via condensation of aldehydes with anthranilamide.
  • Oxidation of 1,4-dihydropyridines (1,4-DHPs) to corresponding pyridines.
  • Oxidation of 4-isopropyl-1,4-DHP to dealkylated pyridine.

Pittogrammi

CorrosionExclamation mark

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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