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Sodium phosphate monobasic monohydrate

SIGALD/71504 - puriss. p.a., ACS reagent, ≥99.0% (T)

Synonym: Monosodium phosphate; Sodium dihydrogen phosphate monohydrate

CAS Number: 10049-21-5
Empirical Formula (Hill Notation): H2NaO4P · H2O
Molecular Weight: 137.99
EC Number: 231-449-2
MDL Number: MFCD00149208
Linear Formula: NaH2PO4 · H2O
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-71504-250G 250 g
$114.00
1/EA
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45-71504-1KG 1 kg
$256.00
1/EA
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anion traces chloride (Cl-): ≤5 mg/kg
  sulfate (SO42-): ≤30 mg/kg
assay ≥99.0% (T)
cation traces As: ≤0.5 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
  heavy metals: ≤0.001% (by ICP-OES)
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
form crystals
grade ACS reagent
  puriss. p.a.
impurities ≤0.001% total nitrogen (N)
  ≤0.01% insoluble matter
InChI 1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1
InChI key BBMHARZCALWXSL-UHFFFAOYSA-M
pH 4.1-4.5 (25 °C, 50 mg/mL in H2O)
Quality Level 200 
SMILES string [Na+].[H]O[H].OP(O)([O-])=O
Application: Sodium phosphate monobasic monohydrate may be used in the following studies:
• As a mobile phase in HPLC studies.
• For the dissolution of BSA (Bovine serum albumin).
• Preparation of buffer solutions.
General description: Sodium phosphate monobasic monohydrate is a sodium salt.
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥99.0% (T)
UNSPSC 12352300

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