Description

Bromaminic Acid CAS NO 116-81-4 is a key aromatic sulfonic acid derivative and a vital intermediate in the synthesis of dyes and pigments. Its primary value lies in its ability to introduce bromine and sulfonic acid functional groups, enabling the production of vibrant, colorfast dyes. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop high-performance coloring agents.

Application

• Dye and Pigment Intermediate: Primary use as a crucial building block for synthesizing acid dyes, reactive dyes, and azo pigments.
• Textile Industry: Used in the manufacturing of dyes for coloring wool, silk, and nylon fibers, providing good wash and light fastness.
• Ink Production: Serves as a precursor for pigments used in printing inks, including those for packaging and publications.
• Research & Development: Employed in organic synthesis and chemical research to create novel chromophores and functional molecules.
• Specialty Chemicals: Potential use in the synthesis of optical brighteners and other performance chemicals.

Basic Information

Product Name	Bromaminic Acid
CAS No.	116-81-4
Molecular Formula	C6H6BrNO4S
Molecular Weight	268.09 g/mol
Synonyms	1-Amino-4-bromoanthraquinone-2-sulfonic Acid; 4-Bromo-1-aminoanthraquinone-2-sulfonic Acid; Bromamine Acid; C.I. 56005; Acid Blue 45 Intermediate; 1-Amino-4-bromo-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic Acid
EINECS	204-165-0

Quality Control

Our Bromaminic Acid is produced under stringent quality management systems to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles. Our quality commitment aligns with ISO standards, and we support compliance with global regulatory frameworks such as REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder or crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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