di-Sodium tetraborate decahydrate ≥99.5%, Puriss. p.a. ACS, ISO buffer substance, Fluka™

Supplier: Honeywell Research Chemicals
Danger

Synonyms: Sodium Borate decahydrateSodium tetraborate decahydrateBorax tetra

31457-1KG 31457-100G 31457-5KG 31457-500G
BJ31457-100GEA 78.66 USD
BJ31457-100G BJ31457-500G BJ31457-5KG BJ31457-1KG
di-Sodium tetraborate decahydrate ≥99.5%, Puriss. p.a. ACS, ISO buffer substance, Fluka™
di-Sodium tetraborate decahydrate
Formula: Na₂B₄O₇·10H₂O
MW: 381.37 g/mol
Melting Pt: 742 °C (anhy.) ≥ 62 °C (–H₂O of crystall.)
Density: 1.7 g/cm³
Storage Temperature: Ambient
MDL Number: MFCD00149193
CAS Number: 1303-96-4

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Specification Test Results

Assay 99.5 - 105.0 %
Water insoluble matter Max. 0.001 %
pH (5 %, 20°C) 9.0 - 9.6
pH (0.01 m, 25°C) 9.15 - 9.20
Arsenic (As) Max. 0.0001 %
Calcium (Ca) Max. 0.005 %
Copper (Cu) Max. 0.0005 %
Iron (Fe) Max. 0.0005 %
Lead (Pb) Max. 0.0005 %
Heavy metals (as Pb) Max. 0.001 %
Chloride (Cl) Max. 0.001 %
Phosphate (PO₄) Max. 0.001 %
Sulfate (SO₄) Max. 0.005 %

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