di-Sodium tetraborate decahydrate 99.0-103.0% Ph. Eur.

Supplier: VWR Chemicals
Danger

Synonyms: Borax tetra, Sodium tetraborate decahydrate, Sodium Borate decahydrate

83555.290EA 82.7 GBP
83555.290 83555.460
di-Sodium tetraborate decahydrate 99.0-103.0% Ph. Eur.
di-Sodium tetraborate decahydrate
Formula: Na₂B₄O₇·10H₂O
MW: 381,37 g/mol
Boiling Pt: 320 °C (1013 hPa)
Melting Pt: 75 °C
Density: 1,73 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149193
CAS Number: 1303-96-4
EINECS: 215-540-4
REACH: 01-2119490790-32
Merck Index: 13,08662

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Specification Test Results

Assay 99.0 - 103.0 %
Appearance Conforms (see CoA/CoS)
Identification A Passes test
Identification B Passes test
Identification (Na) Passes test
Appearance of solution Passes test
pH (4 %) 9.0 - 9.6
SO4 (Sulphate) ≤ 50 ppm
NH4 (Ammonium) ≤ 10 ppm
Ca (Calcium) ≤ 100 ppm
Heavy metals (as Pb) ≤ 25 ppm
Residual solvents Passes test
As (Arsenic) ≤ 5 ppm
Cd (Cadmium) ≤ 1 ppm
Co (Cobalt) ≤ 1 ppm
Hg (Mercury) ≤ 2 ppm
Ni (Nickel) ≤ 1 ppm
Pb (Lead) ≤ 2 ppm
V (Vanadium) ≤ 1 ppm
Conforms to Ph.Eur. Passes test

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