(Methoxymethyl)triphenylphosphonium chloride
Synonym(s):Methoxymethyl-triphenylphosphonium chloride
- CAS NO.：4009-98-7
- Empirical Formula: C20H20ClOP
- Molecular Weight: 342.8
- MDL number: MFCD00011800
- EINECS: 223-664-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-24 18:13:48
What is (Methoxymethyl)triphenylphosphonium chloride?
Chemical properties
WHITE TO ALMOST WHITE FINE CRYSTALLINE POWDER
The Uses of (Methoxymethyl)triphenylphosphonium chloride
(Methoxymethyl)triphenylphosphonium chloride is used as a phase transfer catalyst and in the synthesis of taxol-A fragment. It is widely used in the synthesis of pharmaceutical product cephalotaxine, which is used as an antiviral and antitumor agent.
The Uses of (Methoxymethyl)triphenylphosphonium chloride
PTC catalyst
Solubility
Soluble in methanol and chloroform. It decomposes in water.
Properties of (Methoxymethyl)triphenylphosphonium chloride
| Melting point: | 185-195 °C (dec.)(lit.) |
| Flash point: | >250°C |
| storage temp. | Store below +30°C. |
| solubility | >1100g/l soluble,(decomposition) |
| form | Crystalline Powder |
| color | White to almost white |
| PH | 2.2 (1100g/l, H2O, 20℃) |
| Water Solubility | decomposes |
| Sensitive | Hygroscopic |
| BRN | 924215 |
| CAS DataBase Reference | 4009-98-7(CAS DataBase Reference) |
Safety information for (Methoxymethyl)triphenylphosphonium chloride
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (Methoxymethyl)triphenylphosphonium chloride
| InChIKey | SJFNDMHZXCUXSA-UHFFFAOYSA-M |
(Methoxymethyl)triphenylphosphonium chloride manufacturer
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product: Methoxy methyl triphenyl phosphomium chloride 4009-98-7 99%
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