Shandong Huashang Chemical Co., Ltd.
Product
5-Nitrobenzene-1,2-dicarbonitrile
  • Brand:HS
  • Model:25kg/drum
  • Purity:99%
  • Cas:31643-49-9
  • Createtime: 2026-04-14
  • Updatetime: 2026-04-15
Product Details
useage Industrial use
deliveryInfo
appearance powder
Molecular Weight 173.13
aliasen
supplyCapacity 50000MT/Month
harbor Qingdao,China
minorder 1KG
Appearance Pale yellow crystalline powder

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.

Basic Information

Product Name: 5-Nitrobenzene-1,2-dicarbonitrile
CAS Number: 31643-49-9
Alias: 4-Nitrophthalonitrile; 4-Nitro-1,2-benzenedicarbonitrile
Molecular Formula: C8H3N3O2
Molecular Weight: 173.13
IUPAC Name: 5-nitrobenzene-1,2-dicarbonitrile

Structural Information

  • Structure Type: Aromatic dinitrile, nitro-substituted phthalonitrile
  • Structural Features: Benzene ring with two adjacent cyano groups (-CN) and a nitro group (-NO2) at the 5-position; highly electron-deficient aromatic system.

Physical & Chemical Properties

  • Appearance: Pale yellow crystalline powder
  • Odor: Odorless
  • Melting Point: 142-144 °C
  • Density: 1.45 g/cm3
  • Solubility: Soluble in DMSO, DMF; slightly soluble in methanol, ethanol; insoluble in water
  • Stability: Stable under normal conditions; incompatible with strong bases and strong reducing agents.

Synthesis & Applications

Production Method

Nitration of phthalonitrile with mixed acid (concentrated nitric acid and sulfuric acid) at moderate temperature.

Main Applications

  • Pharma Intermediate: Precursor for synthesizing febuxostat (anti-gout drug) and other pharmaceuticals.
  • Pigment & Dye: Key intermediate for phthalocyanine pigments and dyes.
  • Organic Synthesis: Building block for heterocyclic compounds and functional materials.
  • Research: Used in the synthesis of organic semiconductors and coordination polymers.

Safety & Storage Instructions

  • Hazard Classification: Irritant; may cause skin, eye and respiratory irritation.
  • Personal Protection: Wear gloves, goggles and dust mask; avoid inhalation and skin contact.
  • Storage Condition: Sealed in dry, cool, well-ventilated place; keep away from strong bases and reducing agents.
  • Transportation: General chemicals; prevent package damage and moisture.

Quality Specifications

  • Purity: ≥99.0% (HPLC)
  • Moisture: ≤0.5%
  • Melting Point: 142-144 °C
  • Impurities: ≤1.0% total

Information Summary Table

Item Specification
CAS Number 31643-49-9
Product Name 5-Nitrobenzene-1,2-dicarbonitrile
Synonym 4-Nitrophthalonitrile
Molecular Formula C8H3N3O2
Molecular Weight 173.13
Appearance Pale yellow crystalline powder
Melting Point 142-144 °C
Solubility Soluble in DMSO, DMF
Purity ≥99.0%
Storage Condition Sealed, dry, cool place
Hazard Property Skin/eye/respiratory irritant
Main Usage Pharma intermediate, pigment precursor