Molekula
Methoxymethyltriphenylphosphonium chloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Methoxymethyltriphenylphosphonium chloride is a phosphonium salt used in organic synthesis, particularly in the formation of ylides for Wittig-type reactions. It is a white to off-white crystalline solid, stable at ambient temperatures. CAS: 4009-98-7, Molecular Formula: CH3OCH2P(C6H5)3Cl, Molecular Weight: 342.80 g/mol. Stored at room temperature, it carries a warning signal word due to potential hazards. Molekula supplies Methoxymethyltriphenylphosphonium chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
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100 g — £62.10 per pack ex VAT · £74.52 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline Powder |
| Water (KF) | ≤ 500ppm |
| Assay HPLC | ≥ 99.5% |
| TPP Residues | ≤ 50ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 16747000 |
| CAS Number | 4009-98-7 |
| IUPAC Name | methoxymethyl(triphenyl)phosphanium |
| EC Number | 223-664-5 |
| Molecular Formula | CH3OCH2P(C6H5)3Cl |
| Molecular Weight | 342.80 |
| Exact Mass | 307.1252 |
| SMILES | COC[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3 |
| InChIKey | SDMCZCALYDCRBH-UHFFFAOYSA-N |
| InChI | InChI=1S/C20H20OP/c1-21-17-22(18-11-5-2-6-12-18,19-13-7-3-8-14-19)20-15-9-4-10-16-20/h2-16H,17H2,1H3/q+1 |
| PubChem CID | 2723799 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| HTS Code | 2931490080 |
| Tariff Code | 2931498090 |
Safety & GHS
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (Methoxymethyl)triphenylphosphonium
- methoxymethyl-triphenylphosphanium chloride
- methoxymethyl(triphenyl)phosphanium
- methoxymethyltriphenylphosphorane
- Phosphonium, (methoxymethyl)triphenyl-, chloride
- SDMCZCALYDCRBH-UHFFFAOYSA-
- SDMCZCALYDCRBH-UHFFFAOYSA-N
Frequently asked questions
What is Methoxymethyltriphenylphosphonium chloride used for?
It is primarily used as a reagent in organic synthesis, particularly in the formation of ylides for Wittig-type reactions, where its ylide converts aldehydes and ketones into methyl enol ethers that can be hydrolysed to give one-carbon homologated aldehydes.
What is the chemical formula and molecular weight?
The formula is CH3OCH2P(C6H5)3Cl and the molecular weight is 342.80 g/mol.
How should Methoxymethyltriphenylphosphonium chloride be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
Available in technical grade; specific purity details are provided upon request.
Can Molekula supply this compound in bulk?
Yes, Molekula can supply Methoxymethyltriphenylphosphonium chloride in bulk quantities—please contact sales for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.