Description

Diboron Tetrahydroxide (CAS: 13675-18-8), with the molecular formula B₂H₄O₄, is a highly specialized boron-based compound widely utilized in advanced chemical synthesis and material science research. This white crystalline solid, also known as tetrahydroxydiborane or hypodiboric acid, serves as a versatile precursor for boron-containing materials, including polymers, ceramics, and catalysts. Its unique structure, featuring two boron atoms bridged by hydroxyl groups, enables precise control in cross-coupling reactions, hydroboration processes, and as a reducing agent. With exceptional purity (≥95%), our Diboron Tetrahydroxide is rigorously tested for consistency, ensuring optimal performance in sensitive applications. Packaged under inert conditions to prevent hydrolysis, it is ideal for pharmaceutical intermediates, electronic materials, and nanotechnology development. Safety data sheets (SDS) and technical support are available upon request.

Properties

• CAS Number: 13675-18-8
• Complexity: 26.5
• IUPAC Name: hypoboric acid
• InChI: InChI=1S/B2H4O4/c3-1(4)2(5)6/h3-6H
• InChI Key: SKOWZLGOFVSKLB-UHFFFAOYSA-N
• Exact Mass: 90.0295689
• Molecular Formula: B2H4O4
• Molecular Weight: 89.66
• SMILES: B(B(O)O)(O)O
• Topological: 80.9
• Monoisotopic Mass: 90.0295689
• Synonyms: tetrahydroxydiborane, Hypoboric Acid, (dihydroxyboranyl)boronic acid, diboronic acid, Diboron tetrahydroxide, Subboric acid, Diborane(4), tetrahydroxy-, Diboron tetrahydroxide [MI], D0Q7FO865W, 694-407-6, chebi:38273, Tetrahydroxydiboron, 13675-18-8, hypodiboric acid, Diborane(4), 1,1,2,2-tetrahydroxy-, MFCD05663888, hypodiboricacid, UNII-D0Q7FO865W, Bis-Boric acid, diborane(4)tetrol, Tetrahydroxy diboron, Tetrahydroxydiboron, 95%, SCHEMBL1529019, (HO)2B-B(OH)2, CHEBI:38289, DTXSID40450702, SKOWZLGOFVSKLB-UHFFFAOYSA-N, AKOS024462547, AS-3171, CS-W004761, FT60078, HY-W004761, PB47794, AC-33880, SY026113, T2953, Diborane(4)?, 1,?1,?2,?2-?tetrahydroxy-, EN300-152344, H10796, Diboronic Acid;Hypodiboric Acid;Tetrahydroxydiboron, Q16294979

Diboron Tetrahydroxide is extensively used in Suzuki-Miyaura cross-coupling reactions as a boron source for aryl and vinyl couplings. In material science, it facilitates the synthesis of boron-doped graphene and other advanced carbon matrices. Researchers also employ it as a mild reducing agent in organic transformations, such as selective carbonyl reductions. Its stability under controlled conditions makes it suitable for catalytic systems in polymer chemistry.

Safety and Hazards

GHS Hazard Statements

• H302 (93.5%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (89.1%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (95.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (93.5%)
• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)
• Acute Tox. 4 (89.1%)
• STOT SE 3 (95.7%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.