3-Nitrophthalic anhydride | 641-70-3 | 98%

Synonyms:

  • 4-Nitroisobenzofuran-1,3-dione
  • 4-Nitro-2-benzofuran-1,3-dione​

Purity: >98.0%(GC)(T)

Category:
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Introduction for 3-Nitrophthalic anhydride

3-Nitrophthalic anhydride (CAS No. 641-70-3) is an aromatic compound. It plays a significant role in the pharmaceutical industry, notably in the synthesis of benzimidazole derivatives such as PARP inhibitors like ABT-472 .

LBAO Chemicals supplies high-purity CAS 641-70-3 (>98%) in bulk quantities, tailored for industrial-scale synthesis and research needs. Our customizable packaging solutions and global shipping capabilities ensure safe and compliant delivery to your location.

General Information

Product Name

3-Nitrophthalic anhydride

CAS RN 641-70-3
Molecular Formula C₈H₃NO₅
Molecular Weight 193.11 g/mol
Chemical Name

3-Nitrophthalic Anhydride

Physical State

Solid

 

Specifications

Purity / Analysis Method

>98.0%

Appearance

Beige to yellow crystalline powder

Flash Point 227.5 ± 26.0 °C
Melting Point 163–165 °C (lit.)
Boiling Point 411.8 °C at 760 mmHg (estimated)
Density 1.7 ± 0.1 g/cm³
Solubility May decompose in water
Vapor Pressure Approximately 0.0 ± 1.0 mmHg at 25 °C
LogP 1.33

 

Safety & Regulations:

  • CAS 641-70-3 complies with international safety standards, including the European Union’s Regulation (EC) No 1272/2008 (CLP).
  • Each product is accompanied by a Safety Data Sheet (SDS), formatted in accordance with the Globally Harmonized System (GHS) and ISO 11014:2009 standards, providing comprehensive information on chemical properties, hazards, handling, and emergency measures.

How LBAO Ships and Stores 3-Nitrophthalic anhydride:

At LBAO Chemicals, we provide reliable global shipping and custom packaging solutions designed to meet the unique demands of the chemical industry. Whether dealing with hazardous materials or sensitive reagents, our packaging protocols ensure both safety and compliance with international transport standards. For more details on our shipping and packaging practices, please visit our Shipping & Packaging page.

Packaging: 25 kg per package, available in fiber drums or kraft paper bags based on customer requirements.

    • Liquids: Packaged in glass or plastic bottles, selected based on chemical compatibility and shipping regulations.
    • Solids: Typically packaged 25 kg per container, using fiber drums or kraft paper bags, depending on your specific needs.

Storage Conditions: Store in a cool, dry place, away from direct sunlight and incompatible materials.

B2B bulk packaging -- 3-Nitrophthalic anhydrideB2B bulk packaging -- 4-Fluorophthalic acid B2B bulk packaging -- 4-Fluorophthalic acid

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