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Anxian Chuanlin Chemical Co., Ltd.

18 YRS

Sichuan, China

CNY 13.3 Million

35298 m²

50-100 people

Main Products: Phosphorus Pentoxide / Sodium Pyrophosphate / Polyphosphoric acid / Phosphoric Acid / Potassium Dihydrogen Phosphate

Sichuan, China

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Sodium Pyrophosphate / CAS 7722-88-5

95.5%

OVERVIEW

Packaging

25 KG/Woven Bag; 50 KG/Woven Bag

Lead Time

14-30 days

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DESCRIPTION

Sodium Pyrophosphate

Application grade:food grade

Content:96.5(%)

Particle size:100(mesh)

CAS RN:7722-88-5

Executive standard:HG/T2968-1999

Brand:Junlin

Alias:Sodium pyrophosphate; Tetrasodium pyrophosphate; TSPP; Tetra Sodium Pyrophosphate; Tetrasodium Diphosohate

Molecular formula:Na₄P₂O₇

Molecular weight:265.90

CAS RN:13472-36-1

Properties:

White powder or crystal. Relative density 2.534, melting point 880℃, boiling point 93.8℃, specific gravity 2.534. Colorless transparent crystal or white crystalline powder. Easily soluble in water, solution in 100g water at 20℃ is 6.23; insolule in alcohol. Aqueous solution is stable under 70℃.

Uses:

In electroplating industry, it can be used in preparing electroplate liquid; in textile industry, it can be used as wool degreasant and wool bleaching agent; in papermaking industry, it can be used in bleaching paper and plant fiber; in dyeing and printing industry, it can be used as auxiliary for printing and dyeing, and for refined bleaching, etc.

Quality specification:technical grade: HG/T2968－1999; upon customer's request

food grade:HG2923－1999; FCC; upon customer's request

Item	Index
	Technical grade				food grade
	Na₄P₂O₇			Na₄P₂O₇·10H₂O	Na₄P₂O₇	Na₄P₂O₇·10H₂O
	superior product	First-class product	Qualified product
Main content, % ≥	97.5	96.5	95.5	98.0	96.5 ～ 100.5	98.0
Content of water insoluble matter, % ≤	0.20			0.10	0.20	0.10
PH value (10 g/L solution)	9.9 ～ 10.7				9.9 ～ 10.7
Orthophosphate	accord with the test				accord with the test
Arsenic (As) content, % ≤	—				0.0003
Heavy metal (Pb), % ≤	—				0.001
Fluoride (F) content, % ≤	—				0.005
Heating loss, % ≤	—				0.50	38.0 ～ 42.0

Packing:25Kg, 50Kg bag; packaging ton bag; upon customer's request

Typical Properties

Tetrasodium pyrophosphate is used in electroplating industry as batching agent, water treatment agent, washing assistant, boiler descaling agent, metal chelating agent, printing and dyeing fine bleaching assistant, water softener, etc. It can also be used in cans, fruit juice drinks, dairy products, soybean milk, etc. It is usually used in preparation with other condensed phosphates.

CAS No.

7722-88-5

Formula

Na4O7P2

Molecular Mass

265.902402

Exact Mass

265.87100

PSA

155.23000

Logp

0.94120

IUPAC

tetrasodium;phosphonato phosphate

SMILES

[O-]P(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]

Matter Classification

inorganic

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