60541
Potassium tetraborate tetrahydrate
purum p.a., ≥99.0% (T)
Synonym(s):
Potassium biborate
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About This Item
Linear Formula:
K2B4O7 · 4H2O
CAS Number:
Molecular Weight:
305.50
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
215-575-5
MDL number:
Assay:
≥99.0% (T)
Form:
powder
grade
purum p.a.
assay
≥99.0% (T)
form
powder
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, Na: ≤5000 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg
SMILES string
O.O.O.O.[K+].[K+].[O-]B([O-])OB1OB(OB=O)O1
InChI
1S/B4O7.2K.4H2O/c5-1-8-3-10-4(11-3)9-2(6)7;;;;;;/h;;;4*1H2/q-2;2*+1;;;;
InChI key
FZICZLCGJZRAHS-UHFFFAOYSA-N
General description
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.
Application
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.
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signalword
Warning
hcodes
Hazard Classifications
Repr. 2
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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The crystal structure of potassium tetraborate tetrahydrate.
Marezio M, et al.
Acta Crystallographica, 16(10), 975-980 (1963)
Thermal decomposition of potassium tetraborate tetrahydrate to anhydrous potassium tetraborate in a fluidized bed.
Sahin O, et al.
Thermochimica Acta, 440(1), 7-12 (2006)
Zhaolai Dai et al.
Amino acids, 46(6), 1557-1564 (2014-03-19)
Polyamines (putrescine, spermine and spermidine) play a crucial role in the regulation of cell growth, differentiation, death and function. Accurate measurement of these substances is essential for studying their metabolism in cells. This protocol describes detailed procedures for sample preparation
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 60541-250G | 04061832676012 |