Molekula
Polyphosphoric acid
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
Polyphosphoric acid is a highly corrosive inorganic acid used in organic synthesis, as a catalyst, and in the production of phosphate esters and flame retardants. It is supplied in various concentrations and is stable at ambient temperatures. CAS: 8017-16-1. Molekula supplies Polyphosphoric acid 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 viscous liquid |
| Assay | Phosphate (as P2O5): 83.0-87.0% |
| Iron (Fe) | ≤20ppm |
| Lead (Pb) | ≤5ppm |
| Arsenic (As) | ≤30ppm |
| Copper (Cu) | ≤2ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90027419 |
| CAS Number | 8017-16-1 |
| Molecular Formula | N/A |
| Molecular Weight | N/A |
| UN Number | UN3264 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2809.20.0040 |
| Tariff Code | 2809200000 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H290 May be corrosive to metals
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- 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
- P406 Store in a corrosive resistant container with a resistant inner liner
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
No alternate names recorded for this product.
Frequently asked questions
What is polyphosphoric acid used for?
It is used in organic synthesis as a dehydrating and cyclizing agent, for example in Friedel–Crafts acylations and in Fischer indole and Bischler–Napieralski cyclizations, and as a phosphorylating agent.
What is the chemical formula and molecular weight of polyphosphoric acid?
The exact formula and molecular weight are not standardized due to its variable composition as a mixture of polyphosphoric acids.
How should polyphosphoric acid be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade of polyphosphoric acid is available?
Molekula supplies polyphosphoric acid in technical grade.
Can Molekula supply polyphosphoric acid in bulk?
Yes, Molekula can supply polyphosphoric acid in bulk quantities upon request.
What documentation comes with a purchase of polyphosphoric acid?
Each order includes a Certificate of Analysis 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.