Orthoboric acid (CAS 10043-35-3)

Chinese name: 硼酸

Orthoboric acid is registered under CAS 10043-35-3. Molecular formula: BH3O3. Approximate molecular weight: 61.83. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	10043-35-3
English name	Orthoboric acid
Chinese name	硼酸
Molecular formula	BH3O3
Molecular weight	61.83
Melting point	169℃
Boiling point	300℃
Density	1.435
Refractive index	1.385
Water solubility	49.5G/L(20℃)
Vapor pressure	2.6mmHg(20°C)
HS code (ref.)	2810002000

Applications (reference)

用于玻璃、搪瓷、医药、化妆品等工业, 以及制备硼和硼酸盐, 并用作食物防腐剂和消毒剂等。

Related products at SKYSEVEN Chemical

No on-catalog product linked yet. Contact sales with CAS 10043-35-3 for availability.

Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 10043-35-3?

Orthoboric acid is identified by CAS Registry Number 10043-35-3. Molecular formula: BH3O3. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Orthoboric acid?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 10043-35-3 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.