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| Product Name: | Disodium pyrophosphate | Other Name: | Diphosphoric acid,sodium salt (1:2);Pyrophosphoric acid,disodium salt;Diphosphoric acid,disodium salt;Sodium pyrophosphate (Na2H2P2O7);Disodium dihydrogen pyrophosphate;Disodium pyrophosphate;Dihydrogen disodium pyrophosphate;Disodium acid pyrophosphate;Disodium dihydrogen diphosphate;Disodium diphosphate;Disodium pyrophosphate (Na2H2P2O7);Sodium hydrogen phosphate (Na2H2P2O7);Disodium dihydrogen diphosphate (Na2H2P2O7);SAPP-RD 1;SAPP;SAPP 40;E 450i;10101-84-5 |
| CAS No.: | 7758-16-9 | Molecular Formula: | H4O7P2.2Na |
| InChIKeys: | InChIKey=PPJGSBMKHZFHFF-UHFFFAOYSA-N | Molecular Weight: | 221.939 |
| Exact Mass: | 221.907 | EC Number: | 231-835-0 |
| UNII: | H5WVD9LZUD | DSSTox ID: | DTXSID8028842 |
| Color/Form: | White crystalline powder | HScode: | 28353990 |
| Categories: | Emulsifier |
| PSA: | 149.57 | XLogP3: | 0.0648 |
| Appearance: | white powder | Density: | 2.311 g/cm3 (25°C) |
| Melting Point: | 988°C | Water Solubility: | H2O: 0.1 M at 20 °C, clear, colorless |
| Storage Conditions: | Warehouse ventilation dry at low temperature | Toxicity: | Oral – mouse LD50: 2650 mg / kg |
| PH: | Between 3,7 and 5,0 (1 % solution) | Experimental Properties: | Decomp @ 220 °C; water soln having acid reaction|MONOCLINIC CRYSTALS; SOLUBILITY IN WATER @ 0 °C: 6.9 G/100 CC; SOLUBILITY IN WATER @ 40 °C: 35 G/100 CC; INDEX OF REFRACTION: 1.4599, 1.4645, 1.4649 /HEXAHYDRATE/ |
Classification of the substance or mixture
Eye irritation, Category 2
GHS label elements, including precautionary statements
| Pictogram(s) |  |
|---|---|
| Signal word |
Warning |
| Hazard statement(s) |
H319 Causes serious eye irritation |
| Precautionary statement(s) | |
| Prevention |
P264 Wash … thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/… |
| Response |
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| Storage |
none |
| Disposal |
none |
Other hazards which do not result in classification
no data available
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.