Sodium hydroxide anhydrous, free-flowing, pellets, Redi-Dri, ACS reagent, 2.5KG

SKU:
795429-2.5KG
  • $199.00

    • Description

    Sodium hydroxide

    anhydrous, free-flowing, pellets, Redi-Dri, ACS reagent, ≥97%

    Synonym: ‘Caustic soda’

    • CAS Number 1310-73-2

       

    • Linear Formula NaOH

       

    • Molecular Weight 40.00

       

    •  EC Number 215-185-5

       

    •  MDL number MFCD00003548

       

    •  PubChem Substance ID 329768482

       

    •  NACRES NA.21

    Properties

    Quality Level 100
    grade ACS reagent
     - Redi-Dri™
    -  anhydrous
    vapor density >1 (vs air)
    vapor pressure <18 mmHg ( 20 °C)
    -  3 mmHg ( 37 °C)
    assay ≥97%
    form pellets
    quality free-flowing
    impurities ≤0.001% N compounds
    -  ≤0.02% NH4OH ppt.
    -  ≤1.0% Na2CO3
    mp 318 °C (lit.)
    solubility water: soluble 1260 g/L at 20 °C
    anion traces chloride (Cl-): ≤0.005%
    -  phosphate (PO43-): ≤0.001%
    -  sulfate (SO42-): ≤0.003%
    cation traces Fe: ≤0.001%
    -  Hg: ≤0.1 ppm
    -  K: ≤0.02%
    -  Ni: ≤0.001%
    -  heavy metals (as Ag): ≤0.002%
    SMILES string [OH-].[Na+]
    InChI 1S/Na.H2O/h;1H2/q+1;/p-1
    InChI key HEMHJVSKTPXQMS-UHFFFAOYSA-M

    Packaging

    1, 2.5 kg in poly bottle

    500 g in poly bottle

    Legal Information

    Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

    Safety Information

    Symbol 
    GHS05
    Signal word 
    Danger
    Hazard statements 
    H290 - H314
    Precautionary statements 
    P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
    RIDADR 
    UN 1823 8 / PGII
    WGK Germany 
    WGK 1
    RTECS 
    WB4900000
    Flash Point(F) 
    Not applicable
    Flash Point(C) 
    Not applicable