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SAPP Sodium Acid pyrophosphate

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CAS No.:

7758-16-9

Grade:

Food Grade

Content:

85%

Port:

Lianyungang

Packaging:

25kg bag

Price valid (until):

2024-11-09

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CNPhosgroup

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Disodium Phosphate,DSP,Monosodium phosphate,Tetrasodium pyrophosphate,Sodium Acid pyrophosphate,Sodium Hexametaphosphate

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Sodium Acid pyrophosphate

Molecular Formula: Na₂H₂P₂O₇
Molecular Weight: 221.939
CAS Number: 7758-16-9
EINECS Number: 231-835-0
Customs Code: 28353990
Alias: SAPP

Characteristics:

White powder or white granules
Relative density: 1.1
Soluble in water, insoluble in ethanol
Aqueous solution hydrolyzes into phosphoric acid when heated with dilute inorganic acids
Hygroscopic, forms a hexahydrate upon absorbing moisture
Decomposes into sodium metaphosphate when heated above 220°C

Packaging, Storage, and Transportation:

Available in 25kg, 50kg, 1000kg, 1200kg, 1250kg bags with customizable options.
Store in a dry, well-ventilated area, and avoid exposure to moisture. It retains its quality during long-term storage, and any clumping can be resolved by crushing or dissolving before use.
Non-toxic and non-hazardous, it can be transported by road, sea, or rail as general cargo.

Specifications:

Item	Index GB25567-2010-2010
Main content (as Na2H2P2O7), ω/ % ≥	95
P2O5, ω/ % ≥	63.0-64.0
pH value (10g/L)	3.5—4.5
Water insoluble，ω/ % ≤	1
F，ω/ % ≤	0.005
Heavy metal(as Pb), ω/ % ≤	0.001
As, ω/ % ≤	0.0003
Pb, ω/ % ≤	0.0002

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Basic Info

Product Name:

Disodium pyrophosphate

Other Name:

Diphosphoric acid,sodium salt (1:2);Pyrophosphoric acid,disodium salt;Diphosphoric acid,disodium salt;Sodium pyrophosphate (Na2H2P2O7);Disodium dihydrogen pyrophosphate;Disodium pyrophosphate;Dihydrogen disodium pyrophosphate;Disodium acid pyrophosphate;Disodium dihydrogen diphosphate;Disodium diphosphate;Disodium pyrophosphate (Na2H2P2O7);Sodium hydrogen phosphate (Na2H2P2O7);Disodium dihydrogen diphosphate (Na2H2P2O7);SAPP-RD 1;SAPP;SAPP 40;E 450i;10101-84-5

CAS No.:

7758-16-9

Molecular Formula:

H4O7P2.2Na

InChIKeys:

InChIKey=PPJGSBMKHZFHFF-UHFFFAOYSA-N

Molecular Weight:

221.939

Exact Mass:

221.907

EC Number:

231-835-0

UNII:

H5WVD9LZUD

DSSTox ID:

DTXSID8028842

Color/Form:

White crystalline powder

HScode:

28353990

Categories:

Inorganic Salts

Characteristics

PSA:

149.57

XLogP3:

0.0648

Appearance:

white powder

Density:

2.311 g/cm3 (25°C)

Melting Point:

988°C

Water Solubility:

H2O: 0.1 M at 20 °C, clear, colorless

Storage Conditions:

Warehouse ventilation dry at low temperature

Toxicity:

Oral - mouse LD50: 2650 mg / kg

PH:

Between 3,7 and 5,0 (1 % solution)

Experimental Properties:

Decomp @ 220 °C; water soln having acid reaction|MONOCLINIC CRYSTALS; SOLUBILITY IN WATER @ 0 °C: 6.9 G/100 CC; SOLUBILITY IN WATER @ 40 °C: 35 G/100 CC; INDEX OF REFRACTION: 1.4599, 1.4645, 1.4649 /HEXAHYDRATE/

See More Disodium pyrophosphate Properties 

Hazard Identification

Classification of the substance or mixture

Eye irritation, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H319 Causes serious eye irritation
Prevention	P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Disodium pyrophosphate Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Disodium Phosphate,DSP,Monosodium phosphate,Tetrasodium pyrophosphate,Sodium Acid pyrophosphate,Sodium Hexametaphosphate

Location:
F3 B7 Chuangke Park Deyuan Town Pidu Chengdu

Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
5

Total Annual Revenue:
$2.5 million-$5 million

Total Employees:
101-200

Year of Establishment:
2019

CNP is a leading phosphate manufacturer based in China, own two factories，dedicated to providing high-quality, innovative, and sustainable Industry solutions to meet the materials for our customers’ production processes. With a strong commitment to excellence and a focus on technological advancements, CNP has established itself as a trusted name in the phosphate industry.

Inquiry History

10 Inquiries

Country	Product	Purchase Quantity	Date Posted
Denmark	Food Additive E450i SAPP/Sodium Acid Pyrophosphate CAS 7758-16-9	25 MT	Nov 16, 2023
India	Sodium acid pyrophosphate (ROR15)	5000.00 KG	Apr 16, 2026
India	sodium acid pyrophosphate 40	2000.00 KG	Oct 8, 2024
Brazil	SODIUM ACID PYROPHOSPHATE	10000 KG	Jul 30, 2024
India	Sodium Acid Pyrophosphate	9 MT	Jan 2, 2024
India	Sodium acid pyrophosphate-40	1000 KG	Jun 13, 2023
Trinidad and Tobago	Sodium Acid Pyrophosphate (SAPP)	1 MT	Apr 24, 2024
Australia	SAPP28	1 MT	Apr 12, 2024
India	SAPP	50 MT	Oct 13, 2023
Italy	Sodium Acid Pyrophosphate	2000 KG	Mar 27, 2024

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