Welcome to LookChem.com Sign In|Join Free
  • or


Post Buying Request

7758-16-9 Suppliers

Recommended suppliersmore

Product FOB Price Min.Order Supply Ability Supplier
Food Additive Sodium Acid Pyrophosphate Sapp CAS: 7758-16-9
Cas No: 7758-16-9
No Data No Data No Data Xiamen Xixiang Supply Chain Co,Ltd Contact Supplier
Sodium pyrophosphate
Cas No: 7758-16-9
No Data 1 Kilogram commercial production Metric Ton/Day Senova Pharma Contact Supplier
Disodium pyrophosphate Manufacturer/High quality/Best price/In stock
Cas No: 7758-16-9
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
High quality Di-Sodium Dihydrogen Pyrophosphate Anhydrous with high purity
Cas No: 7758-16-9
No Data 1 Kilogram 30 Metric Ton/Month Simagchem Corporation Contact Supplier
Disodium pyrophosphate CAS NO.7758-16-9
Cas No: 7758-16-9
USD $ 2.0-2.0 / Gram 100 Gram 100 Metric Ton/Month Hebei yanxi chemical co.,LTD. Contact Supplier
High purity Sodium pyrophosphate CAS 7758-16-9 with favorable price
Cas No: 7758-16-9
USD $ 10.0-10.0 / Kilogram 10 Kilogram 30 Metric Ton/Month Wuhan Fortuna Chemical Co.,Ltd Contact Supplier
Disodium Dihydrogen Pyrophosphate(SAPP)
Cas No: 7758-16-9
No Data 1 Metric Ton 10000 Metric Ton/Year EAST CHEMSOURCES LIMITED Contact Supplier
Factory Supply Disodium dihydrogenpyrophosphate
Cas No: 7758-16-9
No Data 1 1 Ality Chemical Corporation Contact Supplier
Sodium Acid Pyrophosphate food grade
Cas No: 7758-16-9
USD $ 1140.0-1160.0 / Metric Ton 1 Metric Ton 10 Metric Ton/Week Arshine Pharmaceutical Co., Limited Contact Supplier
High Quality Food Grade Sodium Pyrophosphate Acid Food Grade 95% HACCP Manufacturer
Cas No: 7758-16-9
USD $ 0.1-0.1 / Gram 1 Gram 100 Metric Ton/Year Xi'an Xszo Chem Co., Ltd. Contact Supplier

7758-16-9 Usage

Chemical Properties

Disodium dihydrogendiphosphate [7758-16-9], disodium diphosphate, acidic sodium pyrophosphate, Na2H2P2O7, Mr 221.97, d 2.31. Its solubility in water is 13g Na2H2P2O7/100g H2O at 20 °C, and 20g at 80°C. The pH of a 1% aqueous solution is 4.1. The usual commercial product is the anhydrous, nonhygroscopic salt in powder form. The hexahydrate, Na2H2P2O7.6H2O, d 1.85, crystallizes from aqueous solution below 27 °C. Above this temperature, it is converted to the anhydrous form. Disodium diphosphate is used as a (tropically stable) acid carrier in baking powder, for improvement of flow properties in flour, for pH regulation, and in dental care products for prevention of tartar formation.


Sodium Pyrophosphate is a leavening agent, preservative, sequestrant, and buffer which is mildly acidic with a ph of 4.1. It is moderately soluble in water, with a solubility of 15 g in 100 ml at 25°c. It is used in doughnuts and biscuits for its variable gas release rate during the mixing, bench action, and baking process. It is used in baking powder as a leavening agent. It is used in canned fish products to reduce the level of undesired struvite crystals (magnesium ammonium phosphate hexahydrate) by complexing the magnesium. It is used to sequester metals in processed potatoes. It is also termed sapp, sodium acid pyrophosphate, acid sodium pyrophosphate, disodium diphosphate, and disodium dihydrogen pyrophosphate.


Sodium Pyrophosphate Dibasic is anhydrous form, pyrophosphate salt used in buffers.


Disodium dihydrogendiphosphate is produced from sodium dihydrogenmonophosphate by heating at 200-250℃:Na2CO3+2H3PO4→2NaH2PO4+H2O+CO2↑2NaH2PO4→Na2H2P2O7+H2O

General Description

The APP (amyloid precursor protein) gene is mapped to human chromosome 21q21.3. It encodes a integral membrane protein. APPα is a soluble protein generated by sequential cleavage with α and γ secretase.

Flammability and Explosibility


Biochem/physiol Actions

Amyloid precursor protein α is an α-secretase-cleaved soluble protein that has been shown to have neuroprotective properties. It is derived from amyloid precursor protein. The protein consists of 612 amino acids. Several G protein-coupled receptors are known to activate α-secretase-dependent processing of APP. It has neuroprotective, neurogenic and neurotrophic functions. Amyloid precursor protein a also stimulates gene expression and protein expression.

Safety Profile

Poison by intravenous route. Moderately toxic by ingestion and subcutaneous routes. An irritant to skin, eyes, and mucous membranes. When heated to decomposition it emits toxic fumes of POx, and Na2O.

7758-16-9 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Aldrich (P8135)  Sodiumpyrophosphatedibasic  practical grade 7758-16-9 P8135-500G 409.50CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017


1.1 GHS Product identifier

Product name Disodium pytophosphate

1.2 Other means of identification

Product number -
Other names SAPP

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7758-16-9 SDS

7758-16-9Upstream product

7758-16-9Downstream Products

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)


What can I do for you?
Get Best Price

Get Best Price for 7758-16-9