Complaint
| Product Name | Sodium Trimetaphosphate |
| Synonyms | STMP |
| CAS | 7785-84-4 |
| Appearance | White powder |
| Grade | Food Grade,Tech Grade |
| Melting Point | 53ºC |
| Density | 2.49 |
| Storage | Room Temperature |
| Water Solubility | Soluble in water. Insoluble in alcohol. |
Properties:
Sodium trimetaphosphate is a white crystal or crystalline powder. Easily soluble in water, it can form a compound compound Na3P3O9 H2O2 with hydrogen peroxide. It has a wide range of industrial uses.
Density (g/mL 25ºC): 2.476. Melting point (ºC): 627.6. Solubility (mg/mL): easily soluble in water.
| Item | Unit | Specification | Inspection result |
| Assay | % | 98.0Min | 98.8 |
| P2O5 Content | % | 68.0-69.5 | 68.7 |
| Fluoride | % | 0.005Max | <0.005 |
| PH | 6.0-8.5 | 6.9 | |
| Insoluble matter in water | % | 0.2Max | 0.05 |
| Heavy metal (as Pb) | % | ≤ 0.001 | <0.001 |
| Appearance | White Powder | Confirm |
| Date Of Manufacture: | April 10, 2021 | Accordance Of Inspection: | FCCV | ||
| Date of inspection: | April 10, 2021 | Quantity (Net weight): | 25000kgs | ||
| Package No.: | 1-1000 | Batch No.: | 2104101 | ||
| Expiry date: | April 09, 2023 | Order No.: | 02STMP | ||
| Physical data as follow: *Appearance: White powder, it can flow freely. Free from foreign material and any harmful and toxic substance. *Flavour:No foreign flavour *Odour:No foreign Odour | |||||
| Chemical data Item | Unit | Specification | Inspection result | ||
| Identification; Test for sodium (A) Test for phosphate (B) | Passes test Passes test | Pass test Pass test | |||
| Solubility | Soluble in water | Confirm | |||
| PH (1% solution): | 6.0-9.0 | 6.8 | |||
| Assay [as Na(PO3)3] | % | 98.0Min | 99.0 | ||
| P2O5 Content | % | 68.5-69.5 | 69.0 | ||
| Loss on drying | % | Not more than 0,5 % (105 °C, 4 hours) | 0.2% | ||
| water insoluble substances | % | Not more than 0.1 % | 0.03 | ||
| Fluoride | mg/kg | Not more than 10 mg/kg | <10 | ||
| Arsenic | mg/kg | Not more than 3 mg/kg | <3 | ||
| Lead | mg/kg | 4 max | <4 | ||
| Heavy Metals (as Pb) | mg/kg | 10 max | <10 | ||
| Appearance | White powder | Confirm | |||
1. Starch modifier; juice turbidity inhibitor; water retention agent; water softener; meat binder; dispersant; stabilizer (used in ice cream, cheese, etc.); it can prevent food discoloration and vitamin C decomposition. It is also used as a water softener.
2. It can be used to produce low-density washing powder, and can also be used to produce dry bleach, automatic dishwashing detergent, sodium tripolyphosphate hexahydrate, and a mixture of sodium tripolyphosphate hexahydrate and inert inorganic salts.
3. It can be used to produce gypsum board for building materials, etc.
