Certificate of Analysis

Product Name BORAX 99% (decahydrate)
CAS Number 1303-96-4
Molecular Formula Na2B4O7·10H2O
Catalogue No. AL00297
Molecular Weight 381.37 g/mol
Batch Number AL-2026-AL00297
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 99% 99.5%
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.1% 0.05%
pH (1% solution) 7.5 - 9.5 8.0
Solubility Soluble in water Soluble
Result: The above product is expected to comply with 99% grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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