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71911

Sigma-Aldrich

Sodium phosphate tribasic dodecahydrate

puriss. p.a., ACS reagent, ≥98.0% (T)

Synonym(s):
Trisodium phosphate (tert) dodecahydrate, TSP, Trisodium phosphate dodecahydrate
Linear Formula:
Na3PO4 · 12H2O
CAS Number:
Molecular Weight:
380.12
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NB.24

Nível de qualidade

200

grau

ACS reagent
puriss. p.a.

teor

≥98.0% (T)

forma

crystals or chunks

Impurezas

≤0.001% total nitrogen (N)
≤2.5% free alkali (as NaOH)

pH

13 (25 °C, 190.1 g/L)

densidade

1.62 g/mL at 25 °C

traços de ânion

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg

traços de cátion

As: ≤1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O

InChI

1S/3Na.H3O4P.12H2O/c;;;1-5(2,3)4;;;;;;;;;;;;/h;;;(H3,1,2,3,4);12*1H2/q3*+1;;;;;;;;;;;;;/p-3

InChI key

ASTWEMOBIXQPPV-UHFFFAOYSA-K

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Descrição geral

Sodium phosphate tribasic dodecahydrate is a hydrated trisodium salt of phosphoric acid. It is widely used in various water treatment methods.

Aplicação

Sodium phosphate tribasic dodecahydrate (SP tribasic dodecahydrate) may be used to compose buffer solutions (pH in the range of 2 to 12) for use in a study. It may be used to prepare 500mM SP (sodium phosphate) buffer solutions for use in cloud point (CP) experiments.

Pictogramas

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Palavra indicadora

Warning

Frases de perigo

Classificações de perigo

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Órgãos-alvo

Respiratory system

Código de classe de armazenamento

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

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Certificate of Origin

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