Sulphur Black 1 CAS 1326-82-5 For Dyes

Products Description

The substance with CAS number 1326 - 82 - 5 is Sulphur Black 1, also known as C.I. Sulphur Black 1, 2,4 - Dinitro - phenol sulfurised, etc., and its EINECS number is 215 - 444 - 2.

The molecular formula of Sulphur Black 1 is C₆H₄N₂O₅, and its molecular weight is 184.106.

Sulphur Black 1 presents a bright appearance of black flakes, granules, or black powder. It has a density of 1.87g/cm³, a boiling point of 660.3ºC at 760mmHg, and a flash point of 353.1ºC. It is slightly soluble in water. When dissolved in sodium sulfide solution, it forms a black - green leucobody. When dissolved in hot concentrated sulfuric acid, it shows a green-blue color, and upon dilution, a black precipitate is formed.

Basic Info

Safety Information

1. Acute toxicity: Sulfur Black 1 has low acute toxicity to humans. However, if exposed to large amounts, it may cause irritation to the eyes and skin.

2. Carcinogenicity: There is currently no clear evidence that Sulfur Black 1 is carcinogenic.

3. Toxicological effects: Sulfur Black 1 is absorbed through the skin and is irritating to the eyes and skin. In the case of ingestion or inhalation of higher concentrations, it may cause respiratory irritation and digestive discomfort.

4. Environmental impact: Sulfur Black 1 may have harmful effects on aquatic organisms and should be prevented from entering the natural environment.

Uses

Sulphur Black 1 is mainly applied to dye cotton and woven/cotton blended fabrics. Additionally, it is also utilized for dyeing linen and viscose fibers. It serves as a commonly - used dye for coloring cotton, linen, viscose fibers, and their fabrics black. Most of the currently popular denim fabrics (black) are made by interweaving sulphur black - dyed warp yarn with white yarn. Besides, it can be blended with Sulphur Vat Black CLG to achieve a jet - black color and is also applicable to dyeing vinylon.

Company Profile

Gnee Chem is an enterprise specialising in the research, development, production and sales of phytochemicals and fine chemicals.Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square metres. We have a professional, well-equipped and high-quality R&D team with more than 10 years of R&D experience. Our products are widely exported to many countries, such as the United States, Russia, Canada, Australia, Europe, etc., and we provide customers with fast shipping services. We hope to establish long-term and mutually beneficial cooperation with more friends in the future, and provide the best products and services for our customers.

Contact Us
Tel: +86-372-5055135

Mob: +86-13673325456

Email: sales@gneebio.com

FAQ