Sodium acid pyrophosphate (SAPP)|RONAS CHEMICALS IND.CO.,LTD.

Sodium acid pyrophosphate (SAPP)
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Description of Sodium acid pyrophosphate (SAPP)

Formula of Sodium acid pyrophosphate (SAPP): Na2H2P2O7
F.W. of Sodium acid pyrophosphate (SAPP): 221.94
CAS no. of Sodium acid pyrophosphate (SAPP): 7758-16-9
DOT of Sodium acid pyrophosphate (SAPP): Nill
NFPA no. of Sodium acid pyrophosphate (SAPP): Nill
Class no.of Sodium acid pyrophosphate (SAPP) : Nill
UN no. of Sodium acid pyrophosphate (SAPP): Nill
HS code of Sodium acid pyrophosphate (SAPP) : 28353900
Specific Gravity of Sodium acid pyrophosphate (SAPP): 2.22

Sodium acid pyrophosphate (SAPP) is a white monoclinic crystalline powder or fused mass , RD 1.86, n=1.510

Specification of Sodium acid pyrophosphate (SAPP)

Items	Specification
Disodium dihydrogen pyrohosphate	95.0%(w/w)min.
Water-insoluble constituents	1.0%(w/w) max.
Arsenic (As)	3 mg/kg max.
Heavy Metal (as Pb)	15 mg/kg max.
Fluoride (as F))	50 mg/kg max.
pH (1% aqueous solution)	4.0+0.5
Chromium (Cr)	1 mg/kg max
Nickel (Ni)	1mg/kg max
Cadmium (Cd)	1 mg/kg max
Lead (Pb)	1 mg/kg max

Application of Sodium acid pyrophosphate (SAPP)

Sodium acid pyrophosphate (SAPP) is used as buffer ; leavening agents; chelating agent ; adhesive ; stabilizer ; emulsifier; color modifier in food additive industry.

Packing&Storage of Sodium acid pyrophosphate (SAPP)

Packing of Sodium acid pyrophosphate (SAPP):
25KG WPP/PE bags.20mt/20'fcl without pallets.
Storage of Sodium acid pyrophosphate (SAPP):
1. Protect from contamination,
2. Store in original, unopened package in
clean, cool, dry place.
3. Store one pallet high to avoid compaction.

MSDS of Sodium acid pyrophosphate (SAPP)

Material Safety Data Sheets of Sodium acid pyrophosphate (SAPP)

SECTION 1: CHEMICAL PRODUCT

1.1 Product Details
1.1.1 Product name SODIUM ACID PYROPHOSPHATE
1.1.2 Chemical name 1.Sodium Acid Pyrophosphate
2.Disodium Dihydrogen Diphosphate
3.Disodium Pyrophosphate
1.1.3 Chemical formula Na2H2P2O7

SECTION 2: COMPOSITION
2.1 Ingredients Disodium Dihydrogen Diphosphate
Na2H2P2O7
2.2 CAS Number 7758-16-9

SECTION 3: HAZARDS
3.1 No known hazards

SECTION 4: FIRST AID MEASURES
4.1 Eye Contact None required.
4.2 Skin contact None required.
4.3 Inhalation / Ingestion If any symptoms follow ingestion or inhalation,
obtain medical advice.

SECTION 5: FIRE-FIGHTING MEASURES
5.1 Governed by other materials present. No special fire-fighting equipment or measures
required.

SECTION 6: ACCIDENTAL RELEASE MEASURES
6.1 Sweep up spillage and recover/recycle if possible. Otherwise place in a fiber keg or paper
sack and dispose of as industrial waste.

SECTION 7: HANDLING & STORAGE
7.1 Handling Minimize dust formation.
7.2 Storage 1. Protect from contamination,
2. Store in original, unopened package in
clean, cool, dry place.
3. Store one pallet high to avoid compaction.

SECTION 8: EXPOSURE CONTROLS AND PERSONAL PROTECTION
8.1 Regulations None
8.2 Air contamination limits None listed

SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES
9.1 Form Powder
9.2 Colour White
9.3 Odour None
9.4 Change in physical state Melts above 600oC
9.5 Bulk Density 1.1-1.3 g/ml (50 taps)
9.6 Vapour pressure Not applicable
9.7 Viscosity Not applicable
9.8 Solubility 11.9 g per 100 g water at 20oC
9.9 pH Value 4.3 at 20oC (1% soln)
9.10 Flash point Not applicable
9.11 Ignition temperature Does not burn or help other materials to burn
9.12 Explosion limits Not relevant

SECTION 10: STABILITY AND REACTIVITY
10.1 Thermal decomposition Loses water above 250oC to form Sodium
Hexametaphosphate
10.2 Hazardous thermal decomposition
products
None
10.3 Hazardous reactions None

SECTION 11: TOXICOLOGICAL INFORMATION
11.1 The material, when of sufficient purity, is a permitted food additive. Sodium ions and
diphosphate are normal constituents of the human body.

SECTION 12: ECOLOGICAL INFORMATION
12.1 Ecological effects Slowly hydrolyzed in water to orthophosphate,
which can act as a plant nutrient and
precipitate heavy metals.

SECTION 13: DISPOSAL CONSIDERATIONS
13.1 Sweep up spillage and recover/recycle if possible. Otherwise place in a fiber keg or
paper sack and dispose of as industrial waste.

SECTION 14: TRANSPORT INFORMATION
14.1 Not classified as a substance hazardous for transport.

SECTION 15: REGULATORY INFORMATION
15.1 Not classified as a substance hazardous for supply

SECTION 16: OTHER INFORMATION
16.1 This product may be used in the following applications
16.1.2 As a constituent of baking powder.
16.1.3 As a constituent of blanching solutions for preventing after-cooking darkening of
potatoes.
16.1.4 As a constituent of phosphate mixes in meat processing.
16.1.5 As a constituent of cheese emulsifying salts.
16.1.6 As a general buffer and acidifying agent in foodstuffs.
16.1.7 As a dispersant in oil well drilling mud.
16.1.8 In leather treatment to remove iron stains.
16.1.9 In the stabilization of hydrogen peroxide solutions.
16.1.10 As a cleaning agent, in conjunction with Sulphamic acid, in certain dairy applications.
16.1.11 As seafood preservative.
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Sodium acid pyrophosphate (SAPP)raw mateiral

1) Alkali and phosphoric acid
2) Phosphoric acid and sodium carbonate
3) Sodium hydroxide

Sodium acid pyrophosphate (SAPP)end goods

Hydrogen peroxide,food additive

Substitute of Sodium acid pyrophosphate (SAPP)

STPP,other goods used in food additive.

Importing & exporting rules of Sodium acid pyrophosphate (SAPP)

Normal.

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