Basic information
- CAS
13472-36-1- Standard SMILES
O.O.O.O.O.O.O.O.O.O.O=P([O-])([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]- InChIKey
VZWGHDYJGOMEKT-UHFFFAOYSA-J- Molecular formula
- H20Na4O17P2
- Average molar mass
- 446.06 g/mol
- Monoisotopic mass
- 445.97664956
Overview
Sodium pyrophosphate decahydrate is a hydrate that is the decahydrate form of sodium diphosphate. It has a role as a chelator, a food emulsifier and a food thickening agent. It contains a sodium diphosphate.
Names & identifiers
- Preferred name
- Sodium pyrophosphate decahydrate
- IUPAC
- tetrasodium;phosphonato phosphate;decahydrate
- English name
- Sodium pyrophosphate decahydrate
- Molecular formula
- H7NaO8P2
- Molecular weight
- 219.99
Names & synonyms
Sodium pyrophosphate decahydrate13472-36-1Diphosphoric acid, tetrasodium salt, decahydratePyrophosphoric acid, tetrasodium salt, decahydrateIY3DKB96QWSodium pyrophosphate tetrabasic decahydrateSodium pyrophosphate (Na4P2O7) decahydratesodium diphosphate (Na4P2O7) decahydrateCHEBI:177382DTXSID50158904diphosphoric acid, sodium salt, hydrate (1:4:10)Tetrasodium pyrophosphate, decahydrate
Show more names
500gFERRIC SODIUM PYROPHOSPHATESODIUM FERRIC PYROPHOSPHATETetrasodium pyrophophate decahydrateTSPP decahydrateSodiuM pyrophosphatSODIUM PYROPHOSPHATE, ACSSodium diphosphate hydrateSodium pyrophosphate,edibleSodium phosphate decahydrate
RefChem:184089DTXCID0081395Tetrasodium Pyrophosphate DecahydrateUNII-IY3DKB96QWtetrasodium;phosphonato phosphate;decahydrateMFCD00149200tetra-sodium pyrophosphate decahydrateSodium Pyrophosphate Decahydrate ACS Crystals
Properties
Computed structural properties
- Topological polar surface area
- 146 Ų
- Hydrogen bond donors
- 10
- Hydrogen bond acceptors
- 17
- Rotatable bonds
- 0
- Heavy atoms
- 23
- Formal charge
- 0
- Complexity
- 124
Experimental & physicochemical properties
Chemical ClassesOther Classes -> Salts, Basic
Physical DescriptionColorless crystalline solid; [Sigma-Aldrich MSDS]
Physicochemical properties
- Melting point
- 80 °C · 80°C
- Boiling point
- 93.8 °C · 93.8°C
- Density
- 1.82 · 1.82
- bulk density
- 650 kg/m3 · 650kg/m3
- RTECS
- 7350000 · UX7350000
- storage temp.
- 5 °C · Store at +5°C to +30°C.
- solubility
- 2 O: · H2O: 0.1 M at 20 °C, clear, colorless
- form
- Solid
- Specific Gravity
- 1.82 · 1.82
- color
- White
- Odor
- Odorless
- PH Range
- 10.3 · 10.3
- PH
- 9.5 · 9.5-11.0 (25℃, 0.1M in H2O)
Safety & regulation
GHS classification
GHS Classification
Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 73 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: Diphosphoric acid, tetrasodium salt, decahydrate
Tetrasodium pyrophosphate, decahydrate: Does not have an individual approval but may be used under an appropriate group standard
Other Safety InformationIMAP assessments - Diphosphoric acid, tetrasodium salt, decahydrate: Human health tier I assessment
Hazards SummaryA skin and strong eye irritant; [Sigma-Aldrich MSDS] See Tetrasodium pyrophosphate.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Safety & protection
Protective Action Criteria (PAC)
18 [mg/m3]
200 [mg/m3]
1200 [mg/m3]
Safety data
- wgk
- 3
- tsca
- Yes
- hs_code
- 28353900
- risk_code
- 36/37/38
Chemistry & industry
Uses & manufacturing
UsesUsed as an emulsifier, buffering agent, and sequestrant for foods; [JECFA]
Applications
UsesSodium Pyrophosphate Decahydrate is a tetrabasic pyrophosphate salt used in buffers.
UsesSodium pyrophosphate tetrabasic decahydrate has been used:for pyrophosphate hydrolysis and quantificationas a component of extraction buffer to homogenize liveras a component of cell lysis buffer for western blotting
UsesSodium pyrophosphate decahydrate is used in fusion matrix.
General DescriptionSodium pyrophosphate tetrabasic decahydrate functions as a sequestering, clarifying, buffering agent and water softener. It is used as an emulsifier, pH buffer and dough conditioner. Sodium pyrophosphate tetrabasic acts as a thickening agent in puddings and tartar control agent in toothpaste.
Upstream & downstream products
Upstream raw materials
Downstream products
Related reactions
12 records
Compound notes
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