Sodium Pyrophosphate
English alias: Sodium pyrophosphate; Tetrasodium pyrophosphate; TSPP; Tetra Sodium Pyrophosphate; Tetrasodium Diphosohate
CAS:7722-88-5
EINECS:231-767-1
Molecular formula: Na4P2O7
Molecular weight: 265.9
Physical and chemical properties:
Appearance: White crystalline powder. The melting point is 880 ºC, the relative density is 2.534, and the solubility is easy to dissolve in water. At 20 ºC, the solubility in 100g of water is 6.23g, and the aqueous solution is alkaline; Insoluble in alcohol.
Specifications
| Item |
Value |
| Appearance |
White, Free-flowing Powder |
| Assay Na2H2P2O7 |
95.3% |
| Water Insoluble Matter |
≤0.2% |
| As |
≤0.0003% |
| F |
≤0.005% |
| PH value(1% water solution) |
3.98 |
| Heavy Metal (as Pb) |
≤0.001% |
Packaging & Shipping
1. Packed in 25kg bags or client request
2. Delivery time: usually within 15 days after receiving payment.
Application:
1. Used as a dyeing and finishing agent, softener, etc
2. Used as a food additive in GB2760-2011.
Electroplating industry used to make plating solution, can with the iron to form winding machine objects. Used as additive, daily chemical industry with toothpaste cahpo4 formation colloid and have stable effect, still can be used for synthetic detergents and production shampoo paste etc. Product. Water treatment as soft agent. Mechanical processing as petroleum-derived herbicides. Chemical production as dispersant and emulsifier. Also can be used in water treatment, oil drilling, etc., in the food industry as quality improver, emulsifier, slow granule, chelating agent, etc.
FAQ
Q1: How about the validity of the offer?
A: Usually, quotation is valid for 1 week. However, the validity period may be affected by
factors such as ocean freight, raw material prices, etc.
Q2: What is the payment method you can accept?
A: We usually accept T/T, L/C.
Q3: May I get some samples from your side?
A: Yes, of course. We'd like to provide 100-500 g free sample to you, which depends on
product you need. You just need bear the express freight, but we will refund you after you
place bulk order.
Q4: How about lead time?
A: In general the lead time is 2-3 weeks, sometimes it can be shorter or longer
Q5: What kind of package do you have?
A: We have various of packages to meet needs of our customers,like bags or drum for solid
products,lron drums, plastic drums, IBC tank s, Flexitank, ISO TANK for liquid products.
Q6: Which documents can you supply?
A: We usually provide our customers with Commercial Invoice, Price List, Packing List, COA,
OriginCerificate, Quality/Quantity Certificate, Beneficary's Certificate, MSDS, B/L and others.
Thanks for your visit and welcome your kind inquiry!!!
Audited Supplier 
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