Description

Picramic Acid is a specialized organic compound, also known as 2-Amino-4,6-dinitrophenol, serving as a critical intermediate in the synthesis of dyes, pigments, and other fine chemicals. Its unique nitro- and amino-substituted phenolic structure makes it a valuable precursor for creating vibrant azo dyes and colorants with excellent lightfastness properties. This product is essential for manufacturers in the dye and pigment industry, as well as for research institutions developing new materials and analytical reagents.

Application

• Primary Intermediate for Azo Dyes & Pigments: A key building block in the synthesis of orange, red, and brown azo dyes used in textiles, inks, and plastics.
• Analytical Reagent: Used in chemical analysis and laboratory research as a reagent for detecting and quantifying specific ions or compounds.
• Photographic Chemical: Employed in certain specialized photographic processes and sensitizers.
• Research & Development: Serves as a starting material in organic synthesis for pharmaceuticals, agrochemicals, and new material science applications.
• Corrosion Inhibitor Formulation: Used in some industrial formulations to help protect metals from corrosive environments.

Basic Information

Product Name	Picramic Acid
CAS No.	96-91-3
Molecular Formula	C6H5N3O5
Molecular Weight	199.12 g/mol
Synonyms	2-Amino-4,6-dinitrophenol; 4,6-Dinitro-2-aminophenol; 1-Hydroxy-2-amino-4,6-dinitrobenzene; Picramine; 2-Amino-4,6-dinitro-1-phenol; C.I. 76505; Dinitroaminophenol
EINECS	202-548-4

Quality Control

Our Picramic Acid is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications, including purity, identity, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Due to its properties as a strong oxidizer, it must be segregated from combustible and reducing agents. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	168 - 172 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.