Sodium pyrophosphate

TongVo Chemicals can supply high quality sodium pyrophosphate (Na₄P₂O₇) for food additive, detergent, and technical applications.

Title: Sodium pyrophosphate

Synonyms: tetrasodium pyrophosphate, sodium diphosphate, TSPP
Formula: Na₄P₂O₇, Molecular: 265.90
CAS #: 7722-88-5, EC #: 231-767-1

Standard(s): HG/T2968-1999(tech), HG2923-1999(food), FCC V

Grade: technical grade, food grade

Item	Technical grade	Food grade
Packing:	25Kgs/bag, in woven or kraft paper bags with inner bag, or as customer's requirements.
Appearance	White powder or granule	White powder or granule
Assay (Na₄P₂O₇) %	≥97	≥96.5
Iron (Fe) %	≤0.005	/
Heavy metal (as Pb) %	≤0.002	/
Arsenic (As) %	≤0.0005	≤0.0003
Lead (Pb) %		≤0.0002
Fluoride (F) %	≤0.002	≤0.001
pH (1% sol.)	9.9-10.7	9.9-10.7
Water insoluble %	≤0.1	≤0.1
Loss on ignition %	≤0.5	≤0.5

Colorless transparent crystals or white powder.

Tetrasodium pyrophosphate is used as pH buffer, emulsifier, and detergent aid, thickening agent in instant puddings, water softener in detergents, and detergent additive.

Keep in cool dry place.

Air transportation: arranged as ordinary goods.

Harzards Identification & Classifications: N/A

12 months.