Molekula
Diisopropyl phosphite
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
Diisopropyl phosphite is a colorless to pale yellow liquid used primarily as a phosphite ester in organic synthesis and as a stabilizer in polymer chemistry. It has a molecular formula of C6H15O3P, a molecular weight of 194.21 g/mol, and is stored at ambient temperature. The substance is classified with a warning signal word because it is harmful if swallowed and causes skin, eye and respiratory irritation. Molekula supplies diisopropyl phosphite 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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25 g — £30.90 per pack ex VAT · £37.08 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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 112 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.54 mmHg |
Source: PubChem CID 3072 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 70062252 |
| CAS Number | 1809-20-7 |
| IUPAC Name | 2-propan-2-yloxyphosphonoyloxypropane |
| EC Number | 217-317-7 |
| Molecular Formula | C6H15O3P |
| Molecular Weight | 194.21 |
| Exact Mass | 166.0759 |
| SMILES | CC(C)OP(=O)OC(C)C |
| InChIKey | BLKXLEPPVDUHBY-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H15O3P/c1-5(2)8-10(7)9-6(3)4/h5-6,10H,1-4H3 |
| PubChem CID | 3072 |
| HTS Code | 2920.29.0000 |
| Tariff Code | 2920290090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- bis(propan-2-yl) phosphonate
- Diisopropyl hydrogen phosphite
- Diisopropyl hydrogen phosphonate
- Diisopropyl phosphonate
- Isopropyl phosphonate
- O,O-diisopropyl phosphite
- Phosphonic acid, bis(1-methylethyl) ester
- Phosphonic acid, diisopropyl ester
Frequently asked questions
What is diisopropyl phosphite used for?
It is primarily used as a reagent in organic synthesis, particularly in the preparation of phosphorus-containing compounds and as a ligand in catalysis.
What is the chemical formula and molecular weight of diisopropyl phosphite?
The formula is C6H15O3P with a molecular weight of 194.21 g/mol.
How should diisopropyl phosphite be stored?
It should be stored at ambient temperature, protected from moisture and incompatible materials.
What grade is available for diisopropyl phosphite?
It is available in technical grade; custom purity options may be available upon request.
Can Molekula supply diisopropyl phosphite in bulk?
Yes, Molekula can supply diisopropyl phosphite in bulk quantities; please contact sales for details.
What documentation comes with an order of diisopropyl phosphite?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.