Hazard search
Direct black 38
- CAS number
- 1937-37-7
- Also known as
- Direct black 38 (dyes, benzidine)
UK workplace exposure limits
Our data hold no UK limit for this substance.
Sampling methods
Methods and limits as published by their agencies and summarised by SKC; check the current method and the limit that applies to you before sampling.
Source: SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)