5-Nitroisophthalic acid

Chemical Name: 5-Nitroisophthalic acid

English Name: 5-Nitroisophthalic acid

CAS NO: 618-88-2

Molecular Formula: C₈H₅NO₆

Molecular Weight: 211.13

Structural Formula: 

Physicochemical Properties:

Appearance: White to slightly yellow crystalline powder

Melting Point: 259–261°C

Boiling Point: 432.9°C at 760 mmHg

Density: 1.659 g/cm³

Flash Point: 215.6°C

Solubility: Slightly soluble in water; soluble in organic solvents such as methanol, ethanol, and acetone.

Quality Specifications:

Assay: ≥99.0%

Loss on Drying: ≤0.5%

Uses:

5-Nitroisophthalic acid is an important organic synthesis intermediate, used in the synthesis of pharmaceuticals, pesticides, dyes, optical brighteners, and other fine chemicals. It is also employed as a modifying monomer for polymer materials, such as in specialty polyesters and polyamides.

Packaging:

25 kg/bag, with an inner polyethylene plastic liner and an outer composite paper bag or woven bag.

Storage and Transportation:

Store in a cool, dry, well-ventilated warehouse, away from fire sources and heat. Keep separated from oxidizers, reducing agents, and alkalis; do not store together. Handle with care during transportation to avoid package damage, and keep containers sealed. Avoid generating dust; wear protective equipment during operation.

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