Molekula
Phosphoric acid 85%
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
Phosphoric acid 85% is a colourless, viscous liquid used in fertilizers, food additives, and industrial cleaning agents. It is a moderate-strength triprotic mineral acid (pKa1 ≈ 2.15) with high purity and consistent performance. CAS: 7664-38-2, molecular formula: H3PO4, molecular weight: 98.00 g/mol. Stored at ambient temperatures. Signal word: Danger. Molekula supplies Phosphoric acid 85% 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.
Often bought together
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 L — £35.60 per pack ex VAT · £42.72 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, free from particles |
| Specific Gravity | 1.684 - 1.695 (20°C) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 17779191 |
| CAS Number | 7664-38-2 |
| IUPAC Name | phosphoric acid |
| EC Number | 231-633-2 |
| Molecular Formula | H3PO4 |
| Molecular Weight | 98.00 |
| Exact Mass | 97.9769 |
| SMILES | OP(=O)(O)O |
| InChIKey | NBIIXXVUZAFLBC-UHFFFAOYSA-N |
| InChI | InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4) |
| PubChem CID | 1004 |
| UN Number | UN1805 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2809.20.00.20 |
| Tariff Code | 2809200000 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- 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+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- 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
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
- Acide phosphorique
- Acido fosforico
- Acidum phosphoricum
- Evits
- o-Phosphoric acid
- ORTHOPHOSPHORIC ACID
- Phosphoricum acidum
- Phosphorsaeure
- Sonac
- Wc-reiniger
Frequently asked questions
What is phosphoric acid 85% used for?
It is commonly used in fertilizer production, food additives, and industrial cleaning applications.
What is the chemical formula and molecular weight of phosphoric acid 85%?
The formula is H3PO4 with a molecular weight of 98.00 g/mol.
How should phosphoric acid 85% be stored?
It should be stored at ambient temperature in a well-ventilated area, away from incompatible materials.
What grade of phosphoric acid 85% is available?
Molekula supplies phosphoric acid 85% in technical grade.
Can Molekula supply phosphoric acid 85% in bulk?
Yes, Molekula can supply phosphoric acid 85% in bulk quantities upon request.
What documentation comes with a purchase of phosphoric acid 85%?
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.