pentasodium bis(phosphonatooxy)phosphinate

• ChemBase ID: 130800
• Molecular Formular: Na5O10P3
• Molecular Mass: 367.864133
• Monoisotopic Mass: 367.8192775
• SMILES: [O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+]
• Canonical SMILES: [O-]P(=O)(OP(=O)([O-])[O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+]
• InChI: InChI=1S/5Na.H5O10P3/c;;;;;1-11(2,3)9-13(7,8)10-12(4,5)6/h;;;;;(H,7,8)(H2,1,2,3)(H2,4,5,6)/q5*+1;/p-5
• InChIKey: HWGNBUXHKFFFIH-UHFFFAOYSA-I

NAMES AND DATABASE IDS

Names

• IUPAC name: pentasodium bis(phosphonatooxy)phosphinate
• IUPAC Traditional name: pentasodium triphosphate
• Synonyms: Sodium phosphate; Sodium triphosphate pentabasic; Pentasodium tripolyphosphate; STPP; Pentasodium tripolyphosphate Anhydrous; Sodium triphosphate pentabasic; Sodium triphosphate; Sodium tripolyphosphate pentabasic; Sodium tripolyphosphate; 三聚磷酸五钠; 三聚磷酸钠 五元; 三磷酸钠 五元; 三磷酸五钠; 多聚磷酸钠 五元; 无水三聚磷酸五钠; 焦偏磷酸钠; 三聚磷酸钠

Database IDs

• CAS Number: 7758-29-4
• EC Number: 231-838-7
• MDL Number: MFCD00003514
• Merck Index: 148697
• PubChem SID: 24900324; 162225078; 24886352; 24845724; 24854309
• PubChem CID: 24455

CALCULATED PROPERTIES

• Acid pKa: 0.8897367
• H Acceptors: 8
• H Donor: 0
• LogD (pH = 5.5): -8.594191
• LogD (pH = 7.4): -9.564033
• Log P: -1.8637007
• Molar Refractivity: 30.7892 cm^3
• Polarizability: 15.037942 Å^3
• Polar Surface Area: 184.97 Å^2
• Rotatable Bonds: 4
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: H2O: soluble, clear to slightly hazy; Soluble in water
• Apperance: Granular
• Melting Point: 622°C
• pH: 9.0-10.0 (25 °C, 1% in H2O)

Safety Information

• Storage Warning: Hygroscopic
• RTECS: YK4570000
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 1
• Risk Statements: 36/37/38
• Safety Statements: 26-36; 26-37-60
• TSCA Listed: 是
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335; H315-H319-H335-H303
• GHS Precautionary statements: P261-P305 + P351 + P338; P261-P305+P351+P338-P302+P352-P321-P405-P501A
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves

Product Information

• Purity: ≥98.0% (T); 56.0-61.0% P2O5 basis; 57-59% (calc. based on P2O5); 85%; 90-95%
• Grade: purum p.a.; SAJ first grade; technical grade
• Suitability: suitable for photographic applications
• Cation Traces: Ca: ≤200 mg/kg; Cd: ≤50 mg/kg; Co: ≤50 mg/kg; Cu: ≤50 mg/kg; Fe: ≤50 mg/kg; Ni: ≤50 mg/kg; Pb: ≤50 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: chloride (Cl-): ≤1000 mg/kg; sulfate (SO42-): ≤250 mg/kg
• Linear Formula: Na5P3O10

DETAILS

Sigma Aldrich - T5041

Other Notes
直链磷酸盐

Sigma Aldrich - 72061

Application
for the determination of BSB acc. to DIN 38409-H 51
Other Notes
Straight chain phosphates

Sigma Aldrich - 238503

Packaging
2.5 kg in poly drum
25, 500 g in poly bottle

Sigma Aldrich - T5883

Other Notes
直链磷酸盐

Sigma Aldrich - 04334

Other Notes
Straight chain phosphates