Reference summary — not medical advice or a personal risk estimate.
Disperse Blue
Quick answer
Classified as Group 2B — possibly carcinogenic, based on sufficient evidence in humans. Mostly industrial — used as a dye in textiles, leather, paper, or research. Some are or were used in cosmetics or food colouring; check the specific entry.
Summary
Classified by IARC as Group 2B — possibly carcinogenic to humans. Evidence is limited. (Vol 48, 1990)
What's not established
This classification is based on sufficient evidence in humans that this factor can cause cancer. It does not establish a safe exposure threshold, your personal risk, or how this factor's risk compares in size to other Group 1 agents — hazard classifications are not ranked by magnitude.
Regional relevance
global
Evidence sources
Every claim on this page traces back to one of these. Click through to read the primary document yourself.
Primary sources
IARC
IARC Monographs — Agents Classified Alphabetically (Vols 1–123)
Last reviewed: October 2026
Official reference list
A government list some readers use alongside the primary evidence. Meyron is not affiliated with it. A chemical being listed does not by itself describe a risk from any particular product.
- California Prop 65 list
State of California's list of chemicals known to cause cancer or reproductive harm.