St. Louis Group ATS-325

St. Louis Group ATS-325 is also known as Antimony (III) Sulfide, is a versatile compound tailored for various applications. It is crucial in ammunition manufacturing, pyrotechnics, and brake lining production. With its distinctive properties, this powdered substance contributes to the safety and performance of automotive, industrial, and military sectors. Available in convenient bags, it aligns with technology advancements and finds relevance in base chemicals, automotive, and defense markets.

Chemical Name: Antimony (III) Sulfide

CAS Number: 1345-04-6

Knowde Enhanced TDS

Identification & Functionality

Applications & Uses

Base Chemicals End Uses

ATS 325 is used in the manufacture of brake linings, military ammunition, and pyrotechnic products.


Physical Form
Black powder

Safety & Health

Health and Safety
  • The use of proper protective equipment is recommended.
  • Excess exposure to the product should  be avoided.
  • Please wash thoroughly after handling.
  • Store the product in a cool, dry, well- ventilated area, away from incompatible materials.

Packaging & Availability

Packaging Type

Standard package is a 20 kg bag inside a GHS/DOT compliant pail.