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Sodium Trimetaphosphate-Food grade |
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Cas.No. |
7785-84-4 |
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ITEMS |
SPECIFICATIONS |
RESULT |
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Appearance |
White crystal powder |
|
|
Assay(as（NaPO3)3 %≥ |
98.5 |
99.2 |
|
P2O5 %≥ |
69 |
69.1 |
|
PH (10g/L water solution) |
6.0-9.0 |
7.4 |
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Heavy Metal(As Pb)%≤ |
0.001 |
<0.001 |
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Arsenic %≤ |
0.0003 |
0.0002 |
|
Fluoride %≤ |
0.001 |
0.0006 |
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Water Insoluble %≤ |
0.05 |
<0.05 |
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Zinc %≤ |
0.001 |
NIL |
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Fe2O3 %≤ |
0.002 |
<0.001 |
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Lead %≤ |
0.0002 |
0.0001 |
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Particle size(Passing through 80 mesh) %≥ |
90 |
96.4 |
| Product Name: | Sodium trimetaphosphate | Other Name: | Metaphosphoric acid (H3P3O9),sodium salt (1:3);Metaphosphoric acid (H3P3O9),trisodium salt;Sodium metaphosphate (Na3(P3O9));Sodium metaphosphate;Sodium trimetaphosphate;Sodium metaphosphate ((NaPO3)3);Trisodium metaphosphate;Trisodium trimetaphosphate (Na3P3O9);Trisodium trimetaphosphate;Cyclic sodium trimetaphosphate;Trimetaphosphoric acid (H3P3O9),trisodium salt;Sodium phosphate ((NaPO3)3);Trisodium cyclotriphosphate;Detoxol;Trisodium tricyclophosphate;STMP;Sodium phosphate (Na3P3O9);Sodium cyclotriphosphate (Na3P3O9);Polyrinsan 5B |
| CAS No.: | 7785-84-4 | Molecular Formula: | H3O9P3.3Na |
| InChIKeys: | InChIKey=QXLZJPAXEGLSGU-UHFFFAOYSA-N | Molecular Weight: | 305.88500 |
| Exact Mass: | 305.84500 | EC Number: | 232-088-3 |
| UNII: | 3IH6169RL0 | DSSTox ID: | DTXSID7052789 |
| HScode: | 2835399000 | Categories: | Water Retention Agent |
| PSA: | 177.51000 | XLogP3: | 1.66560 |
| Appearance: | White crystalline powder | Density: | 3″>2.49 g/cm3 |
| Melting Point: | 588ºC | Refractive Index: | COLORLESS; INDEX OF REFRACTION: 1.433, 1.442, 1.446 /HEXAHYDRATE/ |
| Water Solubility: | Soluble in water. Insoluble in alcohol. | Storage Conditions: | Keep in a cool, dry location in a closed container. |
| Experimental Properties: | Loses water on storage at 20 °C, becomes definitely anhydrous at 100 °C. /Hexahydrate/|Efflorescent, triclinic-rhombohedral prisms. Melting point 53 °C. Specific gravity 1.786. One gram dissolves in 4.5 ml water. Insol in alc. /Hexahydrate/ |
Classification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
| Pictogram(s) | No symbol. |
|---|---|
| Signal word |
No signal word |
| Hazard statement(s) |
none |
| Precautionary statement(s) | |
| Prevention |
none |
| Response |
none |
| 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.