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CAS 989-38-8

C.I. Basic Red 1

C.I. Basic Red 1 (also called Rhodamine 6G) is a bright synthetic dye used in labs, textiles/printing, and as a tracer. It can irritate eyes, skin, and airways; cancer risk is not classifiable due to limited evidence [1][2].

Where It Comes From

Dye manufacturing, textile and paper printing, research/analytical staining, and specialty laser/tracer applications [2].

How You Are Exposed

Breathing dye dust or mist at work, skin or eye contact with solutions, accidental swallowing, or from releases to air or water near facilities that use or make it [2].

Why It Matters

Causes irritation to eyes/skin/respiratory tract; large accidental doses can cause stomach upset. IARC finds it not classifiable as to carcinogenicity in humans (Group 3) because data are inadequate [1][2].

Who Is at Risk

Workers in dye production, textile/paper printing, and research labs; people living near dye-using industries may have higher environmental exposure [2].

How to Lower Your Exposure

Use local exhaust/closed systems and wear gloves, goggles, and protective clothing; wash hands after handling; store and dispose per local hazardous waste rules; communities should follow water quality advisories [2][3].

References

  1. [1]IARC Monographs on the Evaluation of Carcinogenic Risks to Humans. Rhodamine 6G (C.I. Basic Red 1), Group 3.
  2. [2]U.S. EPA CompTox Chemicals Dashboard. 989-38-8 (Rhodamine 6G; C.I. Basic Red 1).
  3. [3]CDC/NIOSH. Hierarchy of Controls and chemical safety best practices.

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