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| CAS No.: | 10241-05-1 |
|---|---|
| Name: | MOLYBDENUM(V) CHLORIDE |
| Molecular Structure: | |
|
|
|
| Formula: | MoCl5 |
| Molecular Weight: | 273.205 |
| Synonyms: | Molybdenumpentachloride;Molybdenum(V) chloride;Pentachloromolybdenum; |
| EINECS: | 233-575-3 |
| Density: | 2.928 g/mL at 25 °C(lit.) |
| Melting Point: | 194 °C(lit.) |
| Boiling Point: | 268 °C(lit.) |
| Solubility: | soluble in dry ether and dry alcohol, in other organic solvents [HAW93] |
| Appearance: | dark blue to black crystals |
| Hazard Symbols: |
 C
|
| Risk Codes: | 29-34-48/20/22 |
| Safety: | 26-36/37/39-43-45 |
| Transport Information: | UN 2508 8/PG 3 |
| PSA: | 0.00000 |
| LogP: | 3.44750 |
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| Conditions | Yield |
|---|---|
| dry chlorine was passed over finely divided molebdenum at 300°C; sublimation; | 88% |
| at elevated temp.; | |
| exotermic; reversible react. in zone at 1400 °C; |
| Conditions | Yield |
|---|---|
| by heating; | |
| by heating; |
| Conditions | Yield |
|---|---|
| reduced pressure, 160-180°C, 10h; |
A
- 10241-05-1
molybdenum(V) chloride
B
- 55171-05-6, 13814-75-0
molybdenum(VI) tetrachloride oxide
C
- 13637-68-8
dioxomolybdenum(VI) dichloride
| Conditions | Yield |
|---|---|
| With chlorine in presence of C (C:MoO3=3:1), start at 80°C: 190-600°C; |
- 10241-05-1
molybdenum(V) chloride
| Conditions | Yield |
|---|---|
| With chlorine in presence of C; above 600°C (>18 l/h); C:MoO3 = 4:1; | |
| With tetrachloromethane at 400°C; | |
| With chlorine in presence of C (C:MoO3=3:1), start at 80°C: above 600°C; | |
| With tetrachloromethane at 400°C; |
- 10026-04-7, 53609-55-5
tetrachlorosilane
B
- 10241-05-1
molybdenum(V) chloride
C
- 13637-68-8
dioxomolybdenum(VI) dichloride
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: Cl2; heating of SiCl4 and MoO3 in a closed tube at 260-270°C;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) passing steam of CCl4 over MoO3 at 510 °C;; | |
| In neat (no solvent) heating of MoO3 with CCl4 at about 280°C in a closed tube for 3 hours;; | |
| In neat (no solvent) react. of MoO3 with CCl4 vapor at 510°C in absence of air;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) heating of a mixt. of MoO3 and PCl5 in CO2-atm.; vigorous react. with formation of white and brown vapors;; |
- 7647-01-0
hydrogenchloride
A
- 13814-74-9
oxomolybdenum(V) chloride
B
- 10241-05-1
molybdenum(V) chloride
C
- 7782-50-5
chlorine
D
- 55171-05-6, 13814-75-0
molybdenum(VI) tetrachloride oxide
E
- 13637-68-8
dioxomolybdenum(VI) dichloride
| Conditions | Yield |
|---|---|
| In solid byproducts: H2O; thermal decomposition of mixt. of MoO3 with poly(vinylchloride) or cerechlor 70 with different mole ratios in air, the heating rate of 10 deg/min at 20-850°C; |
| Conditions | Yield |
|---|---|
| In tetrachloromethane heating of MoO3 with a dry soln. of Cl2 in CCl4 at 240°C in a closed tube for 3 hours;; crystn.; washing with CCl4 in CO2-atm.; sucking off; drying in vac.;; | >99 |
| In tetrachloromethane heating of MoO3 with a dry soln. of Cl2 in CCl4 at 240°C in a closed tube for 3 hours;; crystn.; washing with CCl4 in CO2-atm.; sucking off; drying in vac.;; | >99 |
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Chemistry
Chemistry informtion about Molybdenum(V) Chloride (10241-05-1) is:
IUPAC Name: Pentachloromolybdenum
Synonyms: Molybdenum(V) Chloride ; Molybdenum Chloride ; Molybdenum Pentachloride ; Molybdenum(+5)Chloride ; Mocl5 ; Molybdenum Chloride (Mocl5) ; Molybdenumchloride(Mocl5) ; Molybdenum(V) Chloride, Anhydrous, Powd&
MF: Cl5Mo
MW: 273.2
EINECS: 233-575-3
Melting Point: 194 °C(lit.)
Density: 2.928 g/mL at 25 °C(lit.)
Boiling Point: 268 °C(lit.)
Vapour Pressure: 1.75 mm Hg ( 25 °C)
Form: powder
Sensitive: Moisture Sensitive
Stability: Stable, but moisture and air-sensitive. Contact with water liberates toxic gas. Incompatible with water, strong oxidizing agents.
Following is the molecular structure of Molybdenum(V) Chloride (10241-05-1) is:
Uses
Molybdenum(V) Chloride (10241-05-1) can be used in chlorinations and deoxygenation reactions.
Consensus Reports
Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Safety Profile
A poison. A corrosive irritant to skin, eyes, and mucous membranes. Reacts with moisture to form hydrochloric acid. When heated to decomposition it emits toxic fumes of Mo and Cl−. See also MOLYBDENUM COMPOUNDS and HYDROCHLORIC ACID.
Hazard Codes:
C: Corrosive
Risk Statements:
R29: Contact with water liberates toxic gas.
R34: Causes burns.
R48/20/22: Danger of serious damage to health by prolonged exposure and harmful by inhalation and if swallowed.
Safety Statements:
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.)
RIDADR: UN 2508 8/PG 3
WGK Germany: 3
RTECS: QA4690000
F: 1-3-10 Sensitive to air and humidity&Hygroscopic&Keep under argon.
HazardClass: 8
PackingGroup: III
Standards and Recommendations
OSHA PEL: TWA 5 mg(Mo)/m3
ACGIH TLV: TWA Soluble Compounds: TWA 0.5 mg(Mo)/m3 Confirmed Animal Carcinogen with Unknown Relevance to Humans
DOT Classification: 8; Label: Corrosive
Specification
General description about Molybdenum(V) Chloride (10241-05-1). It is a dark blue to black crystals.Also,it is a green-black odorless solid. it is toxic by ingestion and an irritant to skin. it may react with water to produce corrosive hydrochloric acid and toxic fumes.
Air & Water Reactions: Molybdenum(V) Chloride (10241-05-1) may react with water to produce corrosive hydrochloric acid and toxic fumes.
Reactivity Profile: It is a corrosive, hygroscopic solid, on contact with water or steam it decomposes to form hydrochloric acid. When heated to decomposition it emits toxic fumes of molybdenum chlorides and metallic molybdenum [Lewis, 3rd ed., 1993, p. 892]. Explodes on contact with finely divided sodium [Berry D. H., Chem. Eng. News, 1989, 67(47), p. 2]. Reaction with finely divided sodium sulfide is violent, may lead to autoignition [Kaner, R. B., Nature, 1991, 349, p. 510].
Health Hazard: Toxic;inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death. Contact with molten substance may cause severe burns to skin and eyes. Reaction with water or moist air will release toxic, corrosive or flammable gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Fire Hazard: Combustible material: may burn but does not ignite readily. Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapors may travel to source of ignition and flash back. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated or if contaminated with water.