Vanadium (V) trichloride oxide
Vanadium (V) trichloride oxide
CAS: 7727-18-6
Molecular Formula: Cl3OV
Vanadium (V) trichloride oxide - Names and Identifiers
Vanadium (V) trichloride oxide - Physico-chemical Properties
| Molecular Formula | Cl3OV |
| Molar Mass | 173.3 |
| Density | 1.84g/mLat 25°C(lit.) |
| Melting Point | −77°C(lit.) |
| Boling Point | 126-127°C(lit.) |
| Flash Point | 126-127°C |
| Water Solubility | decomposes in H2O to vanadic acid and HCl; soluble methanol, ether, acetone, acids [KIR83] [MER06] |
| Solubility | Miscible with benzene, dichloromethane and hexane. |
| Vapor Presure | 13.8 mm Hg ( 20 °C) |
| Appearance | Liquid |
| Specific Gravity | 1.84 |
| Color | Yellow |
| Exposure Limit | NIOSH: Ceiling 0.05 mg/m3 |
| Merck | 14,9927 |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.6300 |
| Physical and Chemical Properties | Trait: yellow liquid. melting point -78.9 ℃ boiling point 127.2 ℃ relative density 1.830g/cm3(20 ℃) refractive index 1.6300 The solubility is completely miscible with many hydrocarbons and halides such as carbon tetrachloride, titanium tetrachloride and tin tetrachloride, and also dissolves phosphorus trichloride, phosphorus oxychloride, arsenic trichloride and antimony trichloride. Soluble in water, methane and ether. |
| Use | Is the preparation of ethylene-propylene rubber, ethylene-cyclopentadiene copolymerization catalyst |
Vanadium (V) trichloride oxide - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R14 - Reacts violently with water R25 - Toxic if swallowed R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S28 - After contact with skin, wash immediately with plenty of soap-suds. 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 the label whenever possible.) |
| UN IDs | UN 2443 8/PG 2 |
| WGK Germany | 3 |
| RTECS | YW2975000 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 orally in rats: 0.14 g/kg (Smyth) |
Vanadium (V) trichloride oxide - Nature
Open Data Verified Data
A yellow liquid with an unpleasant pungent odor. d 1- 84; Boiling point 126-127 ℃; Melting point -77 ℃; Refractive index l-6300; Dielectric constant 2. 898±0.007(25 ℃), standard enthalpy of formation (298. 15k)-172kj/mol. Strong hygroscopicity. Soluble in water, methane and ether, soluble in carbon tetrachloride, titanium tetrachloride, tin tetrachloride, phosphorus trichloride, phosphorus oxychloride, arsenic trichloride and antimony trichloride and many other substances. The patient experienced severe reaction with potassium and sodium. By high heat decomposition of toxic gases. It is corrosive to most metals in case of tide. In case of high fever, the internal pressure of the container increases, and there is a risk of cracking and explosion.
Last Update：2024-01-02 23:10:35
Vanadium (V) trichloride oxide - Preparation Method
Open Data Verified Data
with vanadium pentoxide and activated carbon as raw materials, chlorine gas was introduced for chlorination reaction.
Last Update：2022-01-01 09:05:11
Vanadium (V) trichloride oxide - Use
Open Data Verified Data
used as a catalyst for Copolymerization of ethylene-propylene rubber and ethylene-cyclopentadiene. It is also a variety of organic compounds solvent, can also be used for the synthesis of organic compounds of vanadium.
Last Update：2022-01-01 09:05:11
Vanadium (V) trichloride oxide - Safety
Open Data Verified Data
rat oral LDso:140mg/kg. It is irritating and corrosive to eyes, skin and mucous membranes. Inhalation can cause lung damage. Oral cause oral, throat, chest and stomach severe burning pain. Staff should be protected. If the skin and eyes are touched, they should be immediately rinsed with plenty of flowing water. Store in a cool, dry, well-ventilated warehouse. Keep away from fire and heat source.
Last Update：2022-01-01 09:05:12
Vanadium (V) trichloride oxide - Reference Information
| LogP | 0 at 20℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | is the preparation of ethylene-propylene rubber, ethylene-cyclopentadiene copolymerization catalyst |
| production method | vanadium pentoxide and activated carbon are used as raw materials, and chlorine gas is introduced for chlorination reaction. It can be prepared by reacting a mixture of vanadium pentoxide and carbon with chlorine. The reaction tube used is a product with an inner diameter of 25mm and a length of 700mm. Since VOCl3 is liquid at room temperature, the outlet of the reaction tube should be bent downward, A water-cooled condenser was connected and a branched flask with a grinding mouth was installed as a receiver for vocl3. 8g of vanadium pentoxide and 6 times the molar ratio of carbon are mixed, the mixture is put into a boat, and then inserted into the center of the reaction tube, and the air in the reaction tube is replaced by a rare gas, this is followed by replacement with dry chlorine gas. Then, the chlorine gas was introduced at a rate of 300/min, and the material portion was heated to 400-° C., and the VOCl3 was accumulated in the receiver. At this time, the receiver was cooled with ice-cooling sodium chloride refrigerant. The discharged gas is introduced into the chlorine gas absorption bottle and completely absorbed. The resulting VOCl3 was processed in a noble gas and stored in ampoules. Further, VOCl3 can also be obtained by reacting vanadium pentoxide with chlorine at 800 to 1000 °c. |
| category | corrosive article |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 140 mg/kg |
| flammability hazard characteristics | decomposition of toxic hydrogen chloride gas in water |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from alkali |
| extinguishing agent | Sand, dry powder, carbon dioxide |
| Occupational Standard | TWA 0.05 mg (vanadium pentoxide)/m3; PEL 0.1 mg (vanadium pentoxide)/M3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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View History
Vanadium (V) trichloride oxide
C.I.Acid Red 70
原钛酸四异丁酯
2-(4-羟苯基)乙酸2-(二甲氨基)-2-氧乙酯
N4-(3-氯-4-氟苯基)-7-[[(3R)-四氢-3-呋喃基]氧基]-4,6-喹唑啉二胺
C.I.Acid Red 70
原钛酸四异丁酯
2-(4-羟苯基)乙酸2-(二甲氨基)-2-氧乙酯
N4-(3-氯-4-氟苯基)-7-[[(3R)-四氢-3-呋喃基]氧基]-4,6-喹唑啉二胺