04276

Fosfato di sodio

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E 339, anhydrous, 98-100.5% (calc. to the dried substance)

• Sinonimo/i: sec-fosfato di sodio, Idrogenofosfato di sodio, Sodio fosfato bibasico
• Formula condensata: Na₂HPO₄
• Numero CAS: 7558-79-4
• Peso molecolare: 141.96
• Numero CE: 231-448-7
• Numero MDL: MFCD00003496
• Codice UNSPSC: 12161700
• eCl@ss: 38070211
• ID PubChem: 329747909
• NACRES: NA.25

Proprietà

• agenzia: meets analytical specifications of BP; meets analytical specifications of Ph. Eur.; meets analytical specifications of USP
• Livello qualitativo: 200
• Grado: puriss.
• Saggio: 98-100.5% (calc. to the dried substance)
• Forma fisica: powder
• Qualità: meets analytical specification of Ph. Eur., BP, USP, FCC, E 339
• Impurezze: reducing matter, complies; residual solvents, complies; ≤0.001% heavy metals (as Pb); ≤0.002% ammonium (NH₄); ≤0.2% water-insoluble matter; ≤1% NaH₂PO₄ (calc. to dried subst.); ≤2.0% pyrophosphate (as Na₄P₂O₇)
• Perdita: ≤1% loss on drying, 105°C, 4h; ≤1% loss on drying, 130 °C
• pH: 8.4-9.6 (20 °C, 1%)
• pKa (25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• Solubilità: H₂O: soluble 8 parts; H₂O: very soluble (Hot); alcohol: insoluble
• Anioni in tracce: chloride (Cl^-): ≤50 mg/kg; fluoride (F^-): ≤10 mg/kg; sulfate (SO₄^2-): ≤200 mg/kg
• Cationi in tracce: As: ≤2 mg/kg; Cd: ≤1 mg/kg; Cu: ≤10 mg/kg; Fe: ≤20 mg/kg; Hg: ≤1 mg/kg; Pb: ≤4 mg/kg; Zn: ≤10 mg/kg
• Compatibilità: complies for appearance of solution
• Stringa SMILE: [Na+].[Na+].[H]OP([O-])([O-])=O
• InChI: 1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2; BNIILDVGGAEEIG-UHFFFAOYSA-L

Descrizione

Applicazioni

Sodium phosphate dibasic has been used for preparing phosphate buffer which in turn is utilized in X-gal staining.

Azioni biochim/fisiol

Sodium phosphate dibasic is an important component of running buffer of denaturing gel electrophoresis. It induces glomerular calcification as well as other nephrotic syndrome in Sprague-Dawley rats.

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 13 - Non Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable