1.06309
di-Sodium tetraborate
anhydrous 99.99 Suprapur®
Synonym(s):
di-Sodium tetraborate, Borax
About This Item
Recommended Products
grade
for inorganic trace analysis
Quality Level
vapor pressure
7.3 hPa ( 1200 °C)
Assay
99.99%
potency
>2000 mg/kg LD50, skin (Rabbit)
pH
9.2 (20 °C, 25 g/L in H2O)
mp
742 °C
solubility
25.6 g/L
density
2.37 g/cm3 at 20 °C
bulk density
700 kg/m3
storage temp.
2-30°C
InChI
1S/4B.2Na.7H2O.7O/h;;;;;;7*1H2;;;;;;;/q4*+3;2*+1;;;;;;;;7*-2
InChI key
HJIQVKXMQOLFFS-UHFFFAOYSA-N
Analysis Note
Assay (acidimetric): ≥ 99 %
Chloride (Cl): ≤ 5 ppm
Phosphate (PO₄): ≤ 5 ppm
Silicate (SiO₂): ≤ 5 ppm
Sulfate (SO₄): ≤ 50 ppm
Ba (Barium): ≤ 10.0 ppm
Ca (Calcium): ≤ 5.0 ppm
Cd (Cadmium): ≤ 0.050 ppm
Ce (Cerium): ≤ 0.05 ppm
Co (Cobalt): ≤ 0.100 ppm
Cr (Chromium): ≤ 0.05 ppm
Cu (Copper): ≤ 0.10 ppm
Eu (Europium): ≤ 0.05 ppm
Fe (Iron): ≤ 0.10 ppm
K (Potassium): ≤ 50 ppm
La (Lanthanum): ≤ 0.05 ppm
Li (Lithium): ≤ 5.0 ppm
Mg (Magnesium): ≤ 0.10 ppm
Mn (Manganese): ≤ 0.050 ppm
Ni (Nickel): ≤ 0.05 ppm
Pb (Lead): ≤ 0.05 ppm
Rb (Rubidium): ≤ 5 ppm
Sc (Scandium): ≤ 0.05 ppm
Sm (Samarium): ≤ 0.05 ppm
Sr (Strontium): ≤ 5.00 ppm
Tl (Thallium): ≤ 0.05 ppm
Y (Yttrium): ≤ 0.05 ppm
Yb (Ytterbium): ≤ 0.050 ppm
Zn (Zinc): ≤ 0.05 ppm
Legal Information
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Repr. 1B
Storage Class Code
6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Listings
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ISHL Indicated Name
Substances Subject to be Indicated Names
ISHL Notified Names
Substances Subject to be Notified Names
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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