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Cas Database |
| Name |
(Methoxymethyl)triphenylphosphonium chloride |
EINECS | 223-664-5 |
| CAS No. | 4009-98-7 | Density | N/A |
| PSA | 22.82000 | LogP | 0.58840 |
| Solubility | decomposes in water | Melting Point |
185-195 °C (dec.)(lit.) |
| Formula | C20H20ClOP | Boiling Point | N/A |
| Molecular Weight | 342.805 | Flash Point | >250 °C |
| Transport Information | UN 1390 4.3/PG 2 | Appearance | White to almost white fine crystalline powder |
| Safety | 26-36-24/25 | Risk Codes | 22-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xn,  Xi
|
| Synonyms |
(Methoxymethyl)triphenylphosphoniumchloride (6CI,7CI);Phosphonium, (methoxymethyl)triphenyl-, chloride (8CI,9CI);NSC 49223;Triphenyl(methoxymethyl)phosphonium chloride; |
Article Data | 16 |
(Methoxymethyl)triphenylphosphonium chloride Synthetic route
- 107-30-2
chloromethyl methyl ether
- 603-35-0
triphenylphosphine
- 4009-98-7
(methoxymethyl)triphenylphosphonium chloride
| Conditions | Yield |
|---|---|
| In dichloromethane Reflux; | 100% |
| In toluene at 95℃; for 16h; | 97.3% |
| In neat (no solvent) at 80℃; for 4h; Solvent; Temperature; Time; Inert atmosphere; Schlenk technique; | 93% |
- 109-87-5
Dimethoxymethane
- 603-35-0
triphenylphosphine
- 4009-98-7
(methoxymethyl)triphenylphosphonium chloride
| Conditions | Yield |
|---|---|
| With acetyl chloride In methanol at 65℃; for 3h; | 94% |
| Conditions | Yield |
|---|---|
| With sodium hexamethyldisilazane In 1,4-dioxane at 0℃; for 1h; | 100% |
- 611-97-2
bis(p-methylphenyl)-methanone
- 4009-98-7
(methoxymethyl)triphenylphosphonium chloride
- 528856-86-2
4,4'-(2-methoxyethene-1,1-diyl)bis(methylbenzene)
| Conditions | Yield |
|---|---|
| With sodium hexamethyldisilazane In tetrahydrofuran; 1,4-dioxane for 2h; Wittig olefination; Heating; | 100% |
- 1210-35-1
10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-one
- 4009-98-7
(methoxymethyl)triphenylphosphonium chloride
| Conditions | Yield |
|---|---|
| With sodium hexamethyldisilazane In tetrahydrofuran; 1,4-dioxane for 2h; Wittig olefination; Heating; | 100% |
| Conditions | Yield |
|---|---|
| With sodium hexamethyldisilazane In tetrahydrofuran; 1,4-dioxane for 2h; Wittig olefination; Heating; | 100% |
| Conditions | Yield |
|---|---|
| With sodium hexamethyldisilazane In tetrahydrofuran; 1,4-dioxane for 2h; Wittig olefination; Heating; | 100% |
- 4009-98-7
(methoxymethyl)triphenylphosphonium chloride
- 345-92-6
4,4'-Difluorobenzophenone
- 53780-24-8
1,1-bis(4-fluorophenyl)-2-methoxyethene
| Conditions | Yield |
|---|---|
| With sodium hexamethyldisilazane In tetrahydrofuran; 1,4-dioxane for 2h; Wittig olefination; Heating; | 100% |
| Stage #1: (methoxymethyl)triphenylphosphonium chloride With n-butyllithium In 1,4-dioxane; hexane at 0℃; Wittig reaction; Stage #2: 4,4'-Difluorobenzophenone In 1,4-dioxane; hexane at 0℃; Wittig reaction; Reflux; | 82% |
| Conditions | Yield |
|---|---|
| Stage #1: (methoxymethyl)triphenylphosphonium chloride With potassium tert-butylate In tetrahydrofuran at 25℃; for 0.5h; Stage #2: 2-iodoacetophenone In tetrahydrofuran at 25℃; for 1h; | 100% |
- 25187-00-2
2-iodobenzophenone
- 4009-98-7
(methoxymethyl)triphenylphosphonium chloride
| Conditions | Yield |
|---|---|
| Stage #1: (methoxymethyl)triphenylphosphonium chloride With potassium tert-butylate In tetrahydrofuran at 25℃; for 0.5h; Stage #2: 2-iodobenzophenone In tetrahydrofuran at 25℃; for 1h; | 100% |
(Methoxymethyl)triphenylphosphonium chloride Chemical Properties
Molecular Formula: C20H20ClOP
Molecular Weight: 342.8 g/mol
EINECS: 223-664-5
Sensitive: Hygroscopic
Flashing point: >250 °C
Melting point: 185-195 °C (dec.)(lit.)
Storage tempreture: 2-8 °C
Water solubility: Decomposes
Solubility: Soluble in water, alcohol
Appearance: white to off-white crystal
Structure of (Methoxymethyl)triphenylphosphonium chloride (CAS NO.4009-98-7):
IUPAC Name: Methoxymethyl(triphenyl)phosphanium chloride
Product Category of (Methoxymethyl)triphenylphosphonium chloride (CAS NO.4009-98-7): Phosphonium Compounds;Synthetic Organic Chemistry;Wittig Reaction;Olefination
(Methoxymethyl)triphenylphosphonium chloride Uses
(Methoxymethyl)triphenylphosphonium chloride (CAS NO.4009-98-7) can be used as intermediate of liquid crystals.
(Methoxymethyl)triphenylphosphonium chloride Toxicity Data With Reference
(Methoxymethyl)triphenylphosphonium chloride (CAS NO.4009-98-7) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. And the toxicological properties have not been fully investigated.
(Methoxymethyl)triphenylphosphonium chloride Safety Profile
Hazard Codes: 
Xn,
Xi
Risk Statements: 22-36/37/38
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-24/25
S24/25:Avoid contact with skin and eyes.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
(Methoxymethyl)triphenylphosphonium chloride Specification
(Methoxymethyl)triphenylphosphonium chloride , its cas register number is 4009-98-7. It also can be called Phosphonium, (methoxymethyl)triphenyl-, chloride . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately. Notes to physician: Treat supportively and symptomatically.
In addition, (Methoxymethyl)triphenylphosphonium chloride (CAS NO.4009-98-7) absorbs moisture or water from the air. It is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: Hydrogen chloride, carbon monoxide, oxides of phosphorus, carbon dioxide.
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