| post date: | dec 21,2021 |
| expiry date: | jun 19,2022 |
| detailed description: |
cas no. :7722-88-5
quantity: 5000metric tons specs:tech grade price:1600 usd metric tons payment method: tt advance executive standard: hg/t2968-2009 molecular formula: na4p2o7 cas no.：7722-88-5 m.w. : 265.9 character: white powder, easily soluble in water, insoluble in alcohol, density: 2.45, relative density:2.45, melting point: 890°c. water solution is alkaline, ph of 1% solution is 9.9-10.7. package: 25kgs woven bag lined with plastic bag, according to the customer’s demand , stored at draughty dry places.. usage:used as printing and dyeing bleaching auxiliaries,water-softening agent; the copper complexing agent in electroplating solution; used as rust remove agent in mechanical processing;mix with the insurance powder into the bleaching agent,wool degreasing agent;used as the synthetic detergent; when madding the toothpaste with dcp,add a lttle tspp into the toothpaste to form colloid and stabilize.used as the dispersing agent and the emulsifying agent in the chemical production; the water-softening agent in the water treatment; the cleaning media for boiler, it is the raw material for producing other pyrophosphate. performed specifications: specification tech grade appearance white powder main content(based on na4p2o7) %≥ 96.5 phosphorus pentoxide ( p2o5 ) %≥ 51.5 water insoluble %≤ 0.20 ph value(1% aqueous solution) 9.9-10.7 orthophosphate pass the test |
| cas registry number: | 7722-88-5 |
| synonyms: | ;sodium pyrophosphate;tetrasodium pyrophosphate;tspp;tetra sodium pyrophosphate;tetrasodium diphosohate; |
| molecular formula: | na4p2o7 |
| molecular weight: | 265.9 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r36/37/38:; |
| safety description: | s26:; s36:; |
