221368

Sodium pyrophosphate decahydrate

ACS reagent, ≥99%

• Synonym(s): Sodium pyrophosphate tetrabasic decahydrate, Tetrasodium pyrophosphate
• Linear Formula: Na₄P₂O₇ · 10H₂O
• CAS Number: 13472-36-1
• Molecular Weight: 446.06
• EC Number: 231-767-1
• MDL number: MFCD00149200
• UNSPSC Code: 12352302
• PubChem Substance ID: 329752262
• NACRES: NB.24

Properties

• grade: ACS reagent
• Assay: ≥99%
• form: crystals or chunks
• impurities: ≤0.001% N compounds; ≤0.01% insolubles
• pH: 9.5-10.5 (25 °C, 5%)
• anion traces: chloride (Cl^-): ≤0.002%; sulfate (SO₄^2-): ≤0.005%
• cation traces: Fe: ≤0.001%; heavy metals (as Pb): ≤0.001%
• SMILES string: O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O
• InChI: 1S/4Na.H4O7P2.10H2O/c;;;;1-8(2,3)7-9(4,5)6;;;;;;;;;;/h;;;;(H2,1,2,3)(H2,4,5,6);10*1H2/q4*+1;;;;;;;;;;;/p-4
• InChI key: VZWGHDYJGOMEKT-UHFFFAOYSA-J

Description

Application

Sodium pyrophosphate decahydrate may be used to catalyze the nucleation of sodium acetate trihydrate, a potential latent heat storage material.

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H302,H318
• Precautionary Statements: P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable