TANTALUM(V) CHLORIDE CAS NO.7721-01-9
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- Min.Order: 1 Gram
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- Available Specifications:
99%(1-3)Metric Ton
- Product Details
Keywords
- TANTALUM(V) CHLORIDE
- 7721-01-9
- 99%
Quick Details
- ProName: TANTALUM(V) CHLORIDE
- CasNo: 7721-01-9
- Molecular Formula: Cl5Ta
- Appearance: as description
- Application: for research
- DeliveryTime: In stock
- PackAge: 100g, 1kg
- Port: Shanghai
- ProductionCapacity: 1 Metric Ton/Day
- Purity: 99%
- Storage: no restrictions
- Transportation: by air
- LimitNum: 1 Gram
- Moisture Content: <0.1%
- Impurity: <1%
Superiority
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Details
TANTALUM(V) CHLORIDE Basic information |
Product Name: | TANTALUM(V) CHLORIDE |
Synonyms: | TaCl5;Tantalum chloride (TaCl5);tantalumchloride(tacl5);TANTALUM(V) CHLORIDE;TANTALUM(+5)CHLORIDE;TANTALUM CHLORIDE;TANTALUM PENTACHLORIDE;Tantalumchlorideanhydrous |
CAS: | 7721-01-9 |
MF: | Cl5Ta |
MW: | 358.21 |
EINECS: | 231-755-6 |
Product Categories: | Inorganic Chemicals;metal halide |
Mol File: | 7721-01-9.mol |
TANTALUM(V) CHLORIDE Chemical Properties |
Melting point | 221 °C |
Boiling point | 242 °C |
density | 3.68 g/mL at 25 °C(lit.) |
Fp | 242°C |
storage temp. | Storage temperature: no restrictions. |
solubility | Soluble in ether, carbon tetrachloride, sulfuric acid and potassium hydroxide. Slightly soluble in ethanol. |
form | powder |
color | White to pale yellow |
Specific Gravity | 3.68 |
Water Solubility | Soluble in water (reacts). Also soluble in ethanol, ether and carbon tetrachloride. |
Sensitive | Moisture Sensitive |
Merck | 14,9054 |
InChIKey | OEIMLTQPLAGXMX-UHFFFAOYSA-I |
CAS DataBase Reference | 7721-01-9(CAS DataBase Reference) |
Safety Information |
Hazard Codes | C |
Risk Statements | 22-34 |
Safety Statements | 26-36/37/39-45 |
RIDADR | UN 3260 8/PG 2 |
WGK Germany | 3 |
RTECS | WW5600000 |
F | 3-10-21 |
TSCA | Yes |
HazardClass | 8 |
PackingGroup | III |
HS Code | 28273990 |
Toxicity | LD50 in rats (mg/kg): 75 i.p.; 1900 orally (Cochran) |
MSDS Information |
Provider | Language |
---|---|
SigmaAldrich | English |
ACROS | English |
ALFA | English |
TANTALUM(V) CHLORIDE Usage And Synthesis |
Physical Properties | Yellow monoclinic crystals; hygroscopic; critical temperature 494°C; critical volume 402 cm3/mol; can be sublimed without decomposition in chlorine atmosphere; reacts with water; soluble in ethanol, ether and carbon tetrachloride. |
Preparation |
Tantalum pentachloride is prepared by heating tantalum metal with excess chlorine: 2Ta + 5Cl2 → 2TaCl5 |
Reactions |
Tantalum pentachloride is hydrolyzed by water to form hydrous tantalum pentoxide, Ta2O5•nH2O and hydrochloric acid: 2TaCl5 + 5H2O → Ta2O5 + 10HCl Reaction with hydrofluoric acid yields tantalum pentafluoride: TaCl5 + 5HF → TaF5 + 5HCl Tantalum pentachloride forms adducts with donor solvent molecules. Also, it forms several complexes and organometallic derivatives. Reactions with alcohols in the presence of an amine forms dinuclear alkoxides. Thus, with ethanol in the presence of diethylamine, the dinuclear tantalum ethoxide, Ta2(OC2H5)10, is obtained. Reaction with dimethylzinc forms dichlorotrimethyl tantalum, in which three chlorine atoms are substituted with methyl groups: 2TaCl5 + 3Zn(CH3)2 → 2(CH3)3TaCl2 + 3ZnCl2 Reaction with cyclopentadienyl sodium yields bis(cyclopentadienyl) tantalum trichloride: TaCl5 + 2C5H5 Na → (C5H5)2TaCl3 + 2NaCl |
Chemical Properties | Pale-yellow, crystalline powder; highly reactive. Decomposed by moist air. Soluble in alcohol and potassium hydroxide solution. Keep well stoppered. |
Uses | Chlorination of organic substances, intermediate, production of pure metal. |
Safety Profile | Poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of Cl-. |
Purification Methods | Purify it by sublimation in a stream of Cl2. It forms colourless needles when pure (yellow when contaminated with even less than 1% of NbCl5). It is sensitive to H2O; even in conc HCl it decomposes to tantalic acid. It is soluble in EtOH. [Rolsten J Am Chem Soc 80 2952 1958, Brauer in Handbook of Preparative Inorganic Chemistry (Ed Brauer) Academic Press Vol II p 1302 1965.] |