ChemicalBook--->CAS DataBase List--->10049-16-8

10049-16-8

10049-16-8 Structure

10049-16-8 Structure
IdentificationMore
[Name]

VANADIUM(IV) FLUORIDE
[CAS]

10049-16-8
[Synonyms]

VANADIUM FLUORIDE
VANADIUM(IV) FLUORIDE
VANADIUM TETRAFLUORIDE
Vanadium(IV) fluoride 95%
Vanadium(IV)fluoride95%
Vanadium(IV) tetrafluoride
[EINECS(EC#)]

233-171-7
[Molecular Formula]

F4V
[MDL Number]

MFCD00042554
[Molecular Weight]

126.94
[MOL File]

10049-16-8.mol
Chemical PropertiesBack Directory
[Appearance]

green to brown powder
[Melting point ]

325 °C (dec.)(lit.)
[density ]

2.975 g/mL at 25 °C(lit.)
[solubility ]

very soluble in H2O
[form ]

Powder
[color ]

Yellow to brown
[Specific Gravity]

3.15
[Water Solubility ]

Soluble in water (blue color), acetone (deep green color), and glacial acetic acid (blue-green color)
[Sensitive ]

Moisture Sensitive
[Exposure limits]

ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3; Ceiling 0.05 mg/m3
[CAS DataBase Reference]

10049-16-8(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

T,Xi
[Risk Statements ]

R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R34:Causes burns.
[Safety Statements ]

S22:Do not breathe dust .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

UN 3290 6.1/PG 2
[WGK Germany ]

3
[Hazard Note ]

Irritant
[HazardClass ]

8
[PackingGroup ]

II
[HS Code ]

2826199090
Hazard InformationBack Directory
[Chemical Properties]

green to brown powder
[Uses]

Vanadium(IV) fluoride is an important raw material and intermediate used in organic synthesis, pharmaceuticals and agrochemicals.
[Production Methods]

Freshly distilled, Dry Ice-cooled VCl4 (40 g) is added to 130 g of similarly cooled anhydrous HF contained in a reactor. A copper reflux condenser charged with a cooling mixture is then attached to the vessel, and the reaction mixture is allowed to warm slowly to 0°C. The mixture is then boiled for several hours until no further HCl evolves. The reflux condenser is then replaced by a descending condenser, and the HF is distilled off. The VF4 remaining in the reactor is freed of any traces of HF by passing a dry stream of nitrogen at 50°C. The yield is 97%, based on VCl4. The product may be stored in sealed iron or copper containers.
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Vanadium(IV) fluoride, 98%(10049-16-8)
[Alfa Aesar]

Vanadium(IV) fluoride, 95%(10049-16-8)
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