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  • Sodium perborate monohydrate

  • Sodium perborate monohydrate

    Catalog Number
    ACM10332339
    CAS Number
    10332-33-9
    Product Name
    Sodium perborate monohydrate
    Structure
    Category
    Electrolytes
    Synonyms
    Perboric acid sodium salt monohydrate
    Description
    Sodium perborate (PBS) is a white, odorless, water-soluble chemical compound with the chemical formula NaBO3. It crystallizes as the monohydrate, NaBO3·H₂O, trihydrate, NaBO3·3H₂O and tetrahydrate, NaBO3·4H₂O. The monohydrate and tetrahydrate are the commercially important forms. The elementary structural unit of sodium perborates is a dimer anion B2O4(OH)42−, in which two boron atoms are joined by two peroxo bridges in a chair-shaped 6-membered ring, and the simplistic NaBO3·nH₂O-type formulas are just a convenient way to express the average chemical composition.
    IUPAC Name
    sodium; 3-oxido dioxaborirane; hydrate
    Molecular Weight
    99.81
    Molecular Formula
    BH2NaO4
    Canonical SMILES
    [Na+].[O-]OB=O.O
    Melting Point
    7-9 °C(lit.)
    Flash Point
    >230 °F
    Purity
    99%+
    Density
    1.174 g/mL at 25 °C(lit.)
    Appearance
    White crystalline powder
    EC Number
    231-556-4
    Exact Mass
    99.9943
    Log P
    -0.70070
    MDL Number
    MFCD00149230
    Monoisotopic Mass
    99.9943
    Refractive Index
    n20/D 1.417(lit.)
    WGK Germany
    1
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