A7293712
Sodium dihydngen phoshate anhydrous , AR,99.0% , 7558-80-7
Synonym(s):
Monosodium dihydrogen orthophosphate;Monosodium phosphate;Sodium biphosphate;Sodium dihydrogen phosphate;Sodium dihydrogen phosphate anhydrous
CAS NO.：7558-80-7
Empirical Formula: H3O4P.Na
Molecular Weight: 119.977
MDL number: MFCD00003527
EINECS: 231-449-2
| Pack Size | Price | Stock | Quantity |
| 500G | RMB95.20 | In Stock |
|
| 2.5kg | RMB415.20 | In Stock |
|
| 6×500g | RMB479.20 | In Stock |
|
| 5KG | RMB759.20 | In Stock |
|
| 20×500g | RMB1287.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | <0°C |
| Boiling point: | 100°C |
| Density | 1.40 g/mL at 20 °C |
| vapor pressure | 0Pa at 20℃ |
| storage temp. | room temp |
| solubility | H2O: 5 M, clear, colorless |
| form | powder |
| color | White |
| PH | 4.0 - 4.5 (25℃, 50g/L in water) |
| pka | (1) 2.15, (2) 6.82, (3) 12.38 (at 25℃) |
| Odor | at 100.00?%. odorless |
| Water Solubility | Soluble in water. Insoluble in alcohol,ether and chloroform. |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: ≤0.025 λ: 280 nm Amax: ≤0.02 |
| Merck | 14,8660 |
| BRN | 3903772 |
| Stability: | Stable. Incompatible with heavy metals, strong acids. |
| InChIKey | AJPJDKMHJJGVTQ-UHFFFAOYSA-M |
| LogP | -2.148 (est) |
Description and Uses
Sodium phosphate monobasic monohydrate is used as sequestrant, emulsifier, mordant in dyeing, reagent and buffer in foods and analytical chemistry. It was applied as a fireproofing agent and for weighting silk in tanning. It is employed in manufacturing of enamels, ceramics, detergents, boiler compounds, in soldering and brazing instead of borax.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38-36 |
| Safety Statements | 26-36-39 |
| WGK Germany | 1 |
| RTECS | WA1900000 |
| F | 3 |
| TSCA | Yes |
| HS Code | 28352200 |
| Toxicity | LD50 orally in Rabbit: 8290 mg/kg LD50 dermal Rabbit > 7940 mg/kg |
