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特別 提示
CAS Number 12045-78-2
Linear Formula K2B4O7 · 4H2O
Molecular Weight 305.50
EC Number 215-575-5
MDL number MFCD00149924
PubChem Substance ID 329759057
| Related Categories | Analytical Reagents, Analytical/Chromatography, Application Specific Reagents, Decomposition Reagents, Essential Chemicals, |
| InChI Key |
FZICZLCGJZRAHS-UHFFFAOYSA |
| grade | purum p.a. |
| assay | ≥99.0% (T) |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| cation traces | Ca: ≤50 mg/kg |
| Cd: ≤50 mg/kg |
Potassium tetraborate tetrahydrate (K2B4O7.4H2O) may be employed in the preparation of puffed and dense forms of anhydrous potassium tetraborate (purity = 99.5%, bulk density = 0.4 and 0.7gcm-3). It may be used for the preparation of saturated K2B4O7 solution required for the quantification of polyamines in various biological samples by HPLC.
Potassium tetraborate tetrahydrate is a hydrated tetraborate salt of potassium. Its crystal structure has been examined. Its crystals belong to the orthorhombic crystal system with space group P212121. Aqueous solution of potassium tetraborate tetrahydrate on evaporation affords single crystals.
GHS08
