| Formula / Notation | HNa2O4P |
|---|---|
| CAS Number | 7558-79-4 |
| Molecular Weight | 141.959 |
| Melting Point | MP: loses H2O at 92.5 °C; Specific gravity: 2.066 at 15 °C /Disodium phosphate dihydrate/ |
| Density | 1.8 to 2.5 at 77 °F (USCG, 1999) |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Appearance | Sodium phosphate, dibasic appears as a colorless to white crystalline solid. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread t... |
| Also Known As | disodium;hydrogen phosphate; 7558-79-4; Sodium phosphate dibasic; DISODIUM PHOSPHATE; Disodium hydrogenorthophosphate; Acetest; Sodium phosphate, dibasic; Dibasic sodium phosphate; Disodium acid phosphate; disodium hydrogenphosphate |
| Category | Salts |
What is Disodium hydrogen phosphate?
Disodium hydrogen phosphate (HNa2O4P) is a salt that appears as Sodium phosphate, dibasic appears as a colorless to white crystalline solid. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread t.... It has a molecular weight of 141.959 g/mol. Its IUPAC name is disodium;hydrogen phosphate. Melting point: MP: loses H2O at 92.5 °C; Specific gravity: 2.066 at 15 °C /Disodium phosphate dihydrate/.
Formula & Notation
IUPAC Name: disodium;hydrogen phosphate
Other Names / Synonyms: disodium;hydrogen phosphate; 7558-79-4; Sodium phosphate dibasic; DISODIUM PHOSPHATE; Disodium hydrogenorthophosphate; Acetest; Sodium phosphate, dibasic; Dibasic sodium phosphate; Disodium acid phosphate; disodium hydrogenphosphate
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | MP: loses H2O at 92.5 °C; Specific gravity: 2.066 at 15 °C /Disodium phosphate dihydrate/ |
| Density | 1.8 to 2.5 at 77 °F (USCG, 1999) |
| Molecular Weight | 141.959 |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Appearance | Sodium phosphate, dibasic appears as a colorless to white crystalline solid. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread t... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Disodium hydrogen phosphate (HNa2O4P) is a salt that appears as Sodium phosphate, dibasic appears as a colorless to white crystalline solid. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread t.... It has a molecular weight of 141.959 g/mol. Its IUPAC name is disodium;hydrogen phosphate. Melting point: MP: loses H2O at 92.5 °C; Specific gravity: 2.066 at 15 °C /Disodium phosphate dihydrate/.
Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.
Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.
The formula or notation for Disodium hydrogen phosphate is: HNa2O4P