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Diboron tetrahydroxide

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Diboron tetrahydroxide molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of Diboron tetrahydroxide (CAS 13675-18-8). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS13675-18-8
Molecular formulaB2H4O4
Molecular weight89.65 g/mol
IUPAC namehypoboric acid
SynonymsHypoboric Acid · tetrahydroxydiborane · diboronic acid · (dihydroxyboranyl)boronic acid · Subboric acid · Diborane(4), tetrahydroxy-
Safety & Hazards (GHS) Warning
Irritant Irritant
  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H332 Harmful if inhaled
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma TETRAHYDROXYDIBORON, 95% 754242-100G
754242-1G
754242-1KG
754242-250MG
754242-25G
754242-5G
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