Description

Sulpho Tobias Acid is a specialized organic intermediate of significant commercial importance. Its primary value lies in its role as a key precursor in the synthesis of high-value dyes and pigments, particularly azo dyes, which are essential for coloring textiles, leather, and paper. This compound is critical for manufacturers and R&D laboratories in the chemical, textile, and specialty materials industries seeking to produce vibrant and stable colorants. The product is supplied under stringent quality control to ensure batch-to-batch consistency for demanding industrial applications.

Application

• Primary Intermediate for Azo Dyes: Essential for synthesizing a wide range of acid, direct, and reactive dyes used in textile and leather dyeing.
• Pigment Manufacturing: Serves as a key building block in the production of organic pigments for inks, paints, and plastics.
• Research & Development: Used in chemical research for developing novel chromophores and functional dyes with specific properties.
• Specialty Chemical Synthesis: Employed in the synthesis of more complex sulfonated aromatic compounds for various industrial applications.

Basic Information

Product Name	Sulpho Tobias Acid
CAS No.	171570-11-9
Molecular Formula	C10H9NO4S
Molecular Weight	239.25 g/mol
Synonyms	2-Amino-1-naphthalenesulfonic acid, 5-Sulfo-1-naphthylamine, Tobias acid sulfonic acid, 1-Naphthylamine-5-sulfonic acid, 5-Amino-1-naphthalenesulfonic acid, 1-Amino-5-naphthalenesulfonic acid, 5-Sulfo-1-aminonaphthalene, 1-Naphthalenesulfonic acid, 5-amino-
EINECS	Contact for details

Quality Control

Our Sulpho Tobias Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, guaranteeing traceability and compliance with agreed-upon parameters for industrial use.

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). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Off-white to light brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.