Molekula
Potassium pyrophosphate
Potassium pyrophosphate is a water-soluble inorganic salt used as a buffering agent, stabilizer, and sequestrant in food, pharmaceuticals, and industrial applications. It appears as a white crystalline powder. CAS: 7320-34-5, Molecular formula: K4P2O7, Molecular weight: 330.34 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies Potassium pyrophosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Potassium pyrophosphate is a water-soluble inorganic salt used as a buffering agent, stabilizer, and sequestrant in food, pharmaceuticals, and industrial applications. It appears as a white crystalline powder. CAS: 7320-34-5, Molecular formula: K4P2O7, Molecular weight: 330.34 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies Potassium pyrophosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder or block |
| Heavy metals | ≤ 0.003% |
| pH | 10 - 10.7 |
| Fe | ≤ 0.01% |
| P2O5 | ≥ 42% |
| K2O | ≥ 56% |
| Cl | ≤ 0.45% |
| Water Insolubles | ≤ 0.1% |
| K4P2O7 | ≥ 98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 7320-34-5 |
| Molecular Formula | K4P2O7 |
| Molecular Weight | 330.34 |
| SMILES | O-]P(=O)([O-])OP(=O)([O-])[O-].[K+].[K+].[K+].[K+] |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 28353910 |
| Tariff Code | 2835390000 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
For research and industrial use only
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is potassium pyrophosphate used for?
It is used as a water softener, pH buffer, and in food preservation and detergent formulations.
What is the chemical formula and molecular weight of potassium pyrophosphate?
The formula is K4P2O7 with a molecular weight of 330.34 g/mol.
How should potassium pyrophosphate be stored?
Store at ambient temperature, protected from moisture and heat.
What grade is available for potassium pyrophosphate?
Available in reagent grade; other grades may be available upon request.
Can Molekula supply potassium pyrophosphate in bulk?
Yes, bulk quantities are available—please contact us for pricing and availability.
What documentation comes with a purchase of potassium pyrophosphate?
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.