Isophthalic anhydride

3-oxabicyclo[3.3.1]nona-1(9),5,7-triene-2,4-dione

CAS: 4891-67-2

Molecular Formula	`C8H4O3`
Molecular Weight	148.01604 g/mol
LogP	1.0
Topological Polar Surface Area	43.37 Å²
Hydrogen Bond Donors	0
Hydrogen Bond Acceptors	3
Rotatable Bonds	0
Exact Mass	148.01604
Heavy Atoms	11
Complexity	311.7

Chemical Identifiers

CAS Number	4891-67-2
SMILES	`C1=CC2=CC(=C1)C(=O)OC2=O`

Product Overview

Isophthalic anhydride (CAS 4891-67-2), with molecular formula C8H4O3 and molecular weight 148.01604 g/mol. IUPAC: 3-oxabicyclo[3.3.1]nona-1(9),5,7-triene-2,4-dione.

🧪

Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.

View MSDS →

Frequently Asked Questions

What is the typical lead time for this product?

Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.

Can you provide samples for testing?

Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.

What documentation do you provide with the product?

We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.

Do you ship internationally?

Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

📚 Academic Support

Scientific research papers and technical documentation supporting this product for informed procurement decisions.

📖

Technical Blog Article

Multi-source research profile: chemical properties, regulatory status, and sourcing guide for Isophthalic anhydride.

Browse Technical Blog →

No research papers found for this product yet.

We continuously update our academic references. Check back soon!