Molekula
Phosphorus oxychloride
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
Phosphorus oxychloride is a reactive inorganic compound used in the synthesis of pesticides, pharmaceuticals, and flame retardants. It acts as a chlorinating and phosphorylating agent in organic chemistry. Available in 1L, 5L, and 25L containers, it has a molecular weight of 153.33 g/mol, a molecular formula of Cl₃OP, and a CAS number of 10025-87-3. Store at ambient temperature. Molekula supplies Phosphorus oxychloride 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £101.30 per pack ex VAT · £121.56 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear, Colourless liquid |
| Refractive Index | ~1.4609 @20℃ |
| Assay | ≥99.0% |
| APHA | ~10 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1(8) |
| Packing Group | I |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Mobile, fuming liquid |
| Odour | Pungent & musty odor |
| Melting Point | 1.25 °C |
| Boiling Point | 105.8 °C |
| Density | 1.645 (relative, water = 1) |
| Vapour Pressure | 5.3 kPa at 27.3 °C |
| Refractive Index | 1.460 |
Source: PubChem CID 24813 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 32635781 |
| CAS Number | 10025-87-3 |
| IUPAC Name | phosphoryl trichloride |
| EC Number | 233-046-7 |
| Molecular Formula | Cl3OP |
| Molecular Weight | 153.33 |
| Exact Mass | 151.8752 |
| SMILES | O=P(Cl)(Cl)Cl |
| InChIKey | XHXFXVLFKHQFAL-UHFFFAOYSA-N |
| InChI | InChI=1S/Cl3OP/c1-5(2,3)4 |
| PubChem CID | 24813 |
| UN Number | UN1810 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2812.12.0000 |
| Tariff Code | 2812120000 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Serious Health Hazard
GHS08
Hazard statements
- EUH014 Reacts violently with water
- EUH029 Contact with water liberates toxic gas
- H302 Harmful if swallowed
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
- H330 Fatal if inhaled
- H372 Causes damage to organs through prolonged or repeated exposure
Precautionary statements
- P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P315 Get immediate medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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
- Fosforoxychlorid
- Oxychlorid fosforecny
- Phosphoric trichloride
- Phosphorous oxychloride
- Phosphoroxychloride
- Phosphorus oxytrichloride
- Phosphoryl chloride
- Phosphoryl trichloride
- Trichlorophosphine oxide
- Trichlorophosphorus oxide
Frequently asked questions
What is phosphorus oxychloride used for?
It is primarily used as a chlorinating agent in organic synthesis and as a reagent in the production of pesticides, pharmaceuticals, and flame retardants.
What is the chemical formula and molecular weight of phosphorus oxychloride?
The formula is Cl3OP and the molecular weight is 153.33 g/mol.
How should phosphorus oxychloride be stored?
It should be stored at ambient temperature in a dry, well-ventilated area, away from moisture and incompatible materials.
What grade of phosphorus oxychloride does Molekula supply?
Molekula supplies phosphorus oxychloride in reagent grade, suitable for laboratory and industrial applications.
Can Molekula supply phosphorus oxychloride in bulk?
Yes, Molekula can supply phosphorus oxychloride in bulk quantities; please contact our sales team for pricing and logistics.
What documentation comes with a purchase of phosphorus oxychloride?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.
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.