Molekula
di-Sodium hydrogen phosphate dihydrate
Di-sodium hydrogen phosphate dihydrate is a water-soluble inorganic salt used as a buffer, pH adjuster, and stabilizer in pharmaceuticals, food, and industrial applications. It appears as a white crystalline powder. CAS: 10028-24-7, molecular formula: HNa2O4P · 2H2O, molecular weight: 177.99 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies di-Sodium hydrogen phosphate dihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Di-sodium hydrogen phosphate dihydrate is a water-soluble inorganic salt used as a buffer, pH adjuster, and stabilizer in pharmaceuticals, food, and industrial applications. It appears as a white crystalline powder. CAS: 10028-24-7, molecular formula: HNa2O4P · 2H2O, molecular weight: 177.99 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies di-Sodium hydrogen phosphate dihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline |
| Heavy metals | ≤0.001% |
| Identification | Conforms to reference |
| Loss on Drying | 18.0% - 22.0% |
| Fluoride (F) | ≤0.005% |
| Assay | ≥98.0% |
| Water insoluble matter | ≤0.2% |
| Lead (Pb) | ≤0.0002% |
| Arsenic (As) | ≤0.0003% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 10028-24-7 |
| Molecular Formula | HNa2O4P · 2H2O |
| Molecular Weight | 177.99 |
| SMILES | O.O.OP(=O)([O-])[O-].[Na+].[Na+] |
| REACH Code | Y110 |
| HTS Code | 28352200 |
| Tariff Code | 2835220000 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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 di-Sodium hydrogen phosphate dihydrate used for?
It is commonly used as a buffering agent in biochemical applications and as a stabilizer in food and pharmaceutical formulations.
What is the chemical formula and molecular weight?
The formula is HNa2O4P · 2H2O with a molecular weight of 177.99 g/mol.
How should it be stored?
Store at ambient temperature, protected from moisture and heat.
What grade is available?
Available in laboratory grade; specific grades may vary based on order volume.
Can Molekula supply it in bulk?
Yes, Molekula can supply di-Sodium hydrogen phosphate dihydrate in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.