Sodium chloride puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., (500g)

SKU:
31434-500G-R
  • $83.30

    • Description

     

    31434 Sigma-Aldrich

    Sodium chloride

    puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%

    Synonym: Halite

    • CAS Number 7647-14-5

       

    • Linear Formula NaCl

       

    • Molecular Weight 58.44

       

    •  Beilstein Registry Number 3534976

       

    •  EC Number 231-598-3

       

    •  MDL number MFCD00003477

    Description

    Packaging

    1, 6×1, 5, 4×5 kg in poly bottle

    500 g in poly bottle

    This product is also available in glass bottles.

    Application

    Sodium chloride was used in the dissolution of polymers such as poly(allylamine hydrochloride), sodium poly(styrenesulfonate) and poly(acrylic acid).

    General description

    Crystals of sodium chloride belong to the cubic crystal system. It is widely employed preservative for meat, vegetable and fish products. Its effect on the growth of salmonellae (mixed inoculum of Salmonella thompson, S. stanley and S. infantis) has been investigated in laboratory medium.

    Properties

    Related Categories Analytical Reagents, Analytical Reagents for General Use,Analytical/Chromatography, Essential Chemicals, Puriss p.a. ACS,
    More...
    grade ACS reagent, reag. ISO, reag. Ph. Eur.
    InChI Key FAPWRFPIFSIZLT-UHFFFAOYSA-M
    grade puriss. p.a.
    assay ≥99.5%
    impurities acidity or alkalinity, complies
     - ≤0.0001% hexacyanoferrate(II)
    -  ≤0.001% total nitrogen (N)
    -  ≤0.005% free acid (as HCl)
    -  ≤0.005% free alkali (as NaOH)
    -  ≤0.005% in water insoluble matters
    -  ≤0.01% Mg, alkaline earth metals (as Ca)
    loss ≤0.2% loss on drying, 130 °C
    pH 5.0-8.0 (25 °C, 5%)
    mp 801 °C (lit.)
    solubility water: soluble 100 mg/mL, clear, colorless
    anion traces bromide (Br-): ≤50 mg/kg
    -  chlorate, nitrate (as NO3-): ≤30 mg/kg
    -  iodide (I-): ≤10 mg/kg
    -  phosphate (PO43-): ≤5 mg/kg
    -  sulfate (SO42-): ≤10 mg/kg
    cation traces Al: ≤0.2 mg/kg
    -  As: ≤0.5 mg/kg
    -  Ba: ≤10 mg/kg
    -  Ca: ≤20 mg/kg
    -  Fe: ≤1 mg/kg
    -  K: ≤50 mg/kg
    -  Mg: ≤5 mg/kg
    -  heavy metals: ≤3 ppm (by ICP-OES)
    suitability complies for appearance of solution