Molybdenum chloride (MoCl5)
Molybdenum(V) chloride
CAS: 10241-05-1
Molecular Formula: Cl5Mo
Molybdenum chloride (MoCl5) - Names and Identifiers
| Name | Molybdenum(V) chloride |
| Synonyms | MoCl5 MOLYBDENUM CHLORIDE Molybdenum(V)chloride MOLYBDENUM(+5)CHLORIDE MOLYBDENUM(V) CHLORIDE Molybdenum(V) chloride Molybdenum pentachloride MOLYBDENUM PENTACHLORIDE molybdenumchloride(mocl5) Molybdenumchlorideanhydrous Molybdenum chloride (MoCl5) molybdenum(5+) pentachloride |
| CAS | 10241-05-1 |
| EINECS | 233-575-3 |
| InChI | InChI=1/5ClH.Mo/h5*1H;/q;;;;;+5/p-5/rCl5Mo/c1-6(2,3,4)5 |
Molybdenum chloride (MoCl5) - Physico-chemical Properties
| Molecular Formula | Cl5Mo |
| Molar Mass | 273.2 |
| Density | 2.928 g/mL at 25 °C (lit.) |
| Melting Point | 194 °C (lit.) |
| Boling Point | 268 °C (lit.) |
| Water Solubility | soluble in dry ether and dry alcohol, in other organic solvents [HAW93] |
| Solubility | Soluble in dry ether, dry alcohol, organic solvents and chlorinated solvents. |
| Vapor Presure | 1.75 mm Hg ( 25 °C) |
| Appearance | powder |
| Specific Gravity | 2.928 |
| Color | White to gray |
| Stability | Stable, but moisture and air-sensitive. Contact with water liberates toxic gas. Incompatible with water, strong oxidizing agents. |
| Sensitive | Moisture Sensitive |
| Physical and Chemical Properties | Dark green solid. Its solution or vapor is dark red. Easy to absorb moisture. It reacts violently in contact with water. Relative density 2.928. Melting point 194.3 ℃. Boiling point 268 ℃. Heat of vaporization 62.8 kJ/mol; Heat of fusion 19.00 kJ/rnol. Soluble in dry alcohol, dry ether and other organic solvents. Also soluble in concentrated inorganic acid. Poisonous! |
| Use | Used as a catalyst for chlorination |
Molybdenum chloride (MoCl5) - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R29 - Contact with water liberates toxic gas R34 - Causes burns R48/20/22 - R40 - Limited evidence of a carcinogenic effect |
| Safety Description | 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. S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2508 8/PG 3 |
| WGK Germany | 3 |
| RTECS | QA4690000 |
| FLUKA BRAND F CODES | 1-3-10 |
| TSCA | Yes |
| HS Code | 28273985 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | 能与水反应放出白色烟雾状有毒和腐蚀性氯化氢气体。误服会中毒。粉尘和蒸气会刺激皮肤、眼睛和黏膜。因此，眼睛受刺激时用水冲洗，皮肤接触时先用水冲洗，再用肥皂彻底洗涤；误服立即漱口，急送医院救治，操作人员须戴耐酸防护用具。 |
Molybdenum chloride (MoCl5) - Nature
Open Data Verified Data
dark green solid. Its solution or vapor is dark red. Easy to absorb moisture. A severe reaction occurred in contact with water. The relative density was 2. 928. Melting point 194.3 °c. Boiling point 268 °c. Heat of vaporization: 62.8 kJ/mol; Heat of fusion: 19.0 kJ/mol. Soluble in ethanol, ether and other organic solvents. Also soluble in concentrated inorganic acid. Toxic!
Last Update：2025-06-10 22:55:16
Molybdenum chloride (MoCl5) - Preparation Method
Open Data Verified Data
The metal molybdenum is directly chlorinated with chlorine at 350 ° C. To obtain the finished molybdenum pentachloride.
Last Update：2022-01-01 11:04:36
Molybdenum chloride (MoCl5) - Application
Open Data Verified Data
used as a chlorination catalyst, refractory resin component, preparation of molybdenum hexanoate.
Last Update：2025-08-19 16:24:40
Molybdenum chloride (MoCl5) - Safety
Open Data Verified Data
glass bottle filled with inert gas in vitro wooden case liner bedding packaging. Acid corrosion resistant product. GB Class 8.1 815140 UN NO. 2508; IMDG Code page 8193, class 8.1. Store in a cool, ventilated, dry warehouse. The container should be handled with light weight to prevent breakage and humidity. Fire, with cement, sand, carbon dioxide to save. Toxicity and protection: can react with water to release white smoke-like toxic and corrosive hydrogen chloride gas. It will be poisoned if it is taken by mistake. Dust and vapors can irritate the skin, eyes, and mucous membranes. Therefore, when the eyes are irritated, they should be rinsed with water. When the skin is in contact, they should be rinsed with water first, then washed thoroughly with soap.
Last Update：2025-06-10 22:55:16
Molybdenum chloride (MoCl5) - Reference Information
| Background | molybdenum pentachloride is an important catalyst in the field of organic chemicals. Such as it is an effective catalyst for the chlorination of aromatic rings and partial or complete chlorination of phthalic acid anhydride; Can be used to catalyze the synthesis of polypentene rubber, its composition, purity, the content and the presence of trace impurities have great influence on the polymerization reaction; It reacts with the compound of (benzene) phenol to obtain (benzene) phenol molybdenum compound, it also reacts with the Grignard reagent to produce bisarsine and bisarsine compounds. |
| Use | molybdenum (V) chloride is used as a reagent for haloalkane halogen exchange (e. G., 2-bromopentane). Molybdenum (V) chloride has also been used as a Lewis acid catalyst in a number of carbon-carbon bond formation reactions in synthetic chemistry. used as chlorination catalyst, refractory resin component, preparation of molybdenum hexacarbonyl. catalyst for chlorination as a component of a chlorination catalyst, a refractory resin, for the preparation of molybdenum hexacarbonyl, a metal-organic compound. |
| Application | molybdenum pentachloride was also used to achieve vapor deposition of molybdenum. High purity molybdenum obtained by thermal decomposition of molybdenum pentachloride can be deposited on metal and non-metal surfaces to obtain a thin layer of uniformly adhered hard coating, which has corrosion resistance, high temperature resistance and other characteristics. Using dry hydrogen to control the gaseous molybdenum pentachloride can be reduced to produce very fine particles of molybdenum powder, the molybdenum powder has been used to produce solder, Monel alloy, solder. Molybdenum pentachloride is also an important raw material for the preparation of metal organic compounds such as molybdenum hexacarbonyl. Molybdenum hexacarbonyl is widely used in organic synthesis, thin film materials of metal molybdenum and its compounds, coating materials and so on. |
| toxicity | can react with water to release white smog-like toxic and corrosive hydrogen chloride gas. It will be poisoned if it is taken by mistake. Dust and vapors can irritate the skin, eyes, and mucous membranes. Therefore, when the eyes are irritated, rinse with water. When the skin is in contact, rinse with water first, and then wash thoroughly with soap. |
| Chemical properties | dark green solid. Its solution or vapor is dark red. Easy to absorb moisture. A severe reaction occurred in contact with water. The relative density was 2.928. Melting point 194.3 °c. Boiling point 268 °c. Heat of vaporization: 62.8 kJ/mol; Heat of fusion: 19.00 kJ/rnol. Soluble in dry alcohol, dry ether and other organic solvents. Also soluble in concentrated inorganic acid. Toxic! |
| production method | metal molybdenum is directly chlorinated with chlorine at 350 ℃ to obtain finished molybdenum pentachloride. 2Mo 5C12 → 2MC15 |
| category | corrosive article |
| toxicity grade | poisoning |
| flammability hazard characteristics | The pore forming agent is flammable in case of H; Toxic hydrogen cyanide gas is emitted in case of cyanide; thermally decomposed toxic chloride and molybdenum-containing compound smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from oxidant, cyanide, H pore forming agent and alkali. |
| extinguishing agent | Sand, carbon dioxide, foam |
| Occupational Standard | TLV-TWA 5 mg (molybdenum)/m3; Tel 10 mg (molybdenum)/M3 |
| EPA chemical substance information | information is provided by: ofmpeb.epa.gov (external link) |
Last Update：2024-04-09 02:00:02
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View History
Molybdenum chloride (MoCl5)
ALUMINIUM CHLORIDE HEXAHYDRATE
ETHOXYLATED
598-75-4
Natural Benzyl formate
683-85-2
ALUMINIUM CHLORIDE HEXAHYDRATE
ETHOXYLATED
598-75-4
Natural Benzyl formate
683-85-2