Molekula
Potassium dihydrogen phosphate
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Potassium dihydrogen phosphate (KH₂PO₄) is a water-soluble inorganic salt widely used as a buffering agent in biochemical research, a nutrient in cell culture media, and a pH regulator in food and pharmaceutical applications. It also functions as a fertilizer and flame retardant. This chemical has a CAS number of 7778-77-0, a molecular formula of KH₂PO₄, and a molecular weight of 136.08 g/mol. It is stored at ambient conditions but requires careful handling due to its "Danger" classification. Molekula supplies potassium dihydrogen phosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Potassium dihydrogen phosphate (KH₂PO₄) is a water-soluble inorganic salt widely used as a buffering agent in biochemical research, a nutrient in cell culture media, and a pH regulator in food and pharmaceutical applications. It also functions as a fertilizer and flame retardant. This chemical has a CAS number of 7778-77-0, a molecular formula of KH₂PO₄, and a molecular weight of 136.08 g/mol. It is stored at ambient conditions but requires careful handling due to its "Danger" classification. Molekula supplies potassium dihydrogen phosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless crystals or powder |
| Assay/Purity | ≥99.0% |
| pH | (50g/L, 25℃) 4.2 - 4.5 |
| Loss on Drying | ≤0.2% |
| Chloride (Cl-) | ≤0.001% |
| Clarity | Pass |
| Heavy Metals (Pb) | ≤0.001% |
| Water insoluble matter | ≤0.002% |
| Iron (Fe) | ≤0.001% |
| Arsenic (As) | ≤0.0005% |
| Sodium (Na) | ≤0.02% |
| Sulphates (SO4)(2-) | ≤0.003% |
| Nitrogen (N) | ≤0.001% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90038275 |
| CAS Number | 7778-77-0 |
| Molecular Formula | KH2PO4 |
| Molecular Weight | 136.08 |
| SMILES | OP(=O)(O)[O-].[K+] |
| EC / UN Number | 3288 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2835.24.0000 |
| Tariff Code | 2835240000 |
Safety & GHS
-
Toxic
GHS06
Hazard statements
- H302 Harmful if swallowed
- H331 Toxic if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P271 Use only outdoors or in a well-ventilated area
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
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 potassium dihydrogen phosphate (KH₂PO₄) commonly used for?
Potassium dihydrogen phosphate is primarily used as a buffer in biochemical and molecular biology applications, a nutrient in fertilizers, and in food additives (e.g., acidulant, leavening agent). It is also used in flame retardants and as a pH regulator in industrial processes.
What is the molecular formula and molecular weight of potassium dihydrogen phosphate?
The molecular formula is **KH₂PO₄**, and the molecular weight is **136.08 g/mol**.
What safety classification does potassium dihydrogen phosphate fall under?
Potassium dihydrogen phosphate is classified with the **Signal Word: Danger** due to its potential hazards, including serious eye damage and skin irritation. Always refer to the full SDS for handling precautions.
What grades of potassium dihydrogen phosphate does Molekula supply?
Molekula supplies **analytical grade (ACS/Reagent grade)** potassium dihydrogen phosphate for research and industrial applications. Bulk and custom grades may be available upon request.
Can Molekula supply potassium dihydrogen phosphate in bulk quantities?
Yes, Molekula can supply potassium dihydrogen phosphate in **bulk quantities**, with packaging options tailored to your requirements (e.g., drums, bags, or custom containers). Contact our sales team for bulk pricing and logistics details.
What documentation comes with an order of potassium dihydrogen phosphate?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (SDS)**, and a **packing list**. For bulk orders, additional documentation such as a **Batch Analysis Report** may be provided upon request.
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