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LC5639 Tantalum(V) chloride



Order number Packaging Quantity Price €
AC32639 Glass bottle 100 g 30.51


Product information
Hill Formula Cl5Ta
Chemical formula TaCl5
HS Code 2827 39 85
EC number 231-755-6
Molar mass 358.21 g/mol
CAS number 7721-01-9


Chemical and physical data
Solubility (25 °C) (decomposition)
Melting point 216 – 217 °C
Molar mass 358.21 g/mol
Density 3.68 g/cm3
Bulk density 2400 kg/m3
pH value (H2O) strongly acid,(decomposition)
Boiling point 232 – 235 °C


Safety information according to GHS
Hazard Statement(s) H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.
EUH014: Reacts violently with water.
Precautionary Statement(s) P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
Hazard Pictogram(s)
Storage class 8 B Non combustible, corrosive substances
WGK WGK 1 slightly water endangering
Disposal 24
Liquid inorganic halides and hydrolysis-sensitive reagents can be carefully stirred dropwise into ice-cool 10% sodium hydroxide solution (Cat. No. 105587) (caution: caustic gases!); container D or E.


Safety information
R Phrase R 14-22-34-37
Reacts violently with water.Harmful if swallowed.Causes burns.Irritating to respiratory system.
S Phrase S 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger harmful, corrosive
Hazard Symbol Corrosive


Transport information
Declaration (transport by sea) IMDG-Code UN 3260 CORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S.(TANTALCHLORIDE), 8, II, Segregation Group: 1 (Acids)


Toxicological data
LD 50 oral LD50 rat 1900 mg/kg


Identity (elemental analysis) conforms
Assay (gravimetrically) ≥ 99.8 %