Carcinogenicity
Disperse Blue 1 is reasonably anticipated to be a human carcinogen based on evidence of malignant tumor formation in experimental animals to an unusual degree with regard to incidence, site, and type of tumor
(NTP 1986), and because it is an anthraquinone and therefore, structurally related to other substances listed in a previous Annual Report on Carcinogens as either known to be human carcinogens or reasonably anticipated to be human carcinogens (NTP 1994).
"Over 3 million people in the United States use hair color preparations containing Disperse Blue 1 in semipermanent hair color formulations at concentrations of less than 1%. Disperse Blue
1 has been used as a fabric dye for nylon, cellulose acetate and triacetate, polyester, and acrylate fibers. It has also been used for surface dyeing of thermoplastics and as a solvent dye in cellulose acetate plastics. Disperse Blue 1 is also used to dye fur, sheepskins, acetate, nylon, and other synthetic fibers (NTP 1986, IARC 1990, HSDB 2001)." Please read more about this chemical at: http://ntp.niehs.nih.gov/ntp/roc/eleventh/profiles/s081disp.pdf
On a side note. I just looked through my bathroom products and to my dismay I found that almost everything I use contains some sort of miserable carcinogenic chemical. Along with Blue 1 I found SLS in all of my soap, shaving cream, deodorant products. I find it really discomforting to know that I am bathing and using cancer causing chemicals all over my body. I will be shopping for all new bathroom products very soon and I suggest you do the same.
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