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CAS 6459-94-5

C.I. Acid Red 114

C.I. Acid Red 114 is a synthetic azo dye used to color textiles, leather, and paper. It matters because some azo dyes can break down into aromatic amines linked to cancer and can irritate or sensitize skin [1][2][4].

Where It Comes From

Manufactured azo dye used in dyeing and printing; can be released in wastewater from textile finishing and cleaning of equipment [3].

How You Are Exposed

Workers may breathe dye dust/mist or get skin contact when handling powders, solutions, or dyed materials; the public may contact residual dyes in clothing or be exposed via water near dyeing facilities [3][4].

Why It Matters

Certain azo dyes (notably benzidine-based) are known human carcinogens because they can release carcinogenic aromatic amines; minimizing exposure to azo dyes is prudent when specifics are uncertain [1][2]. Dyes can also cause eye/skin irritation and allergic dermatitis in some people [4].

Who Is at Risk

Dye production and textile/printing workers; hobby dyers; people with eczema or dye allergies; communities near untreated textile wastewater discharges [3][4].

How to Lower Your Exposure

At work—use closed handling, local exhaust, gloves, and protective clothing; follow NIOSH skin protection guidance [4]. At home—wash new dark/red garments before wear and separately, avoid items that bleed color, and support proper wastewater treatment [3].

References

  1. [1]IARC Monographs Vol. 99: Some Aromatic Amines, Organic Dyes, and Related Exposures (2010).
  2. [2]NTP Report on Carcinogens: Benzidine and dyes metabolized to benzidine (Known to be human carcinogens).
  3. [3]U.S. EPA Effluent Guidelines: Textile Mills (Textiles category).
  4. [4]CDC/NIOSH. Skin Exposures and Effects (Dermal exposure guidance).

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