Hazard search

Diphenylamine

CAS number
122-39-4
Also known as
N-phenylaniline · N-Phenylbenzamine

UK workplace exposure limits

LimitValueApplies to
8-hour TWA 10 mg/m³
15-minute STEL 20 mg/m³

Sampling methods

MethodSamplingMedium AnalysisPart numbers
OSHA 78
Diphenylamine & Isopropylaniline by HPLC/UV
Method document (opens in a new tab)
Active (pump) Coated glass fibre filters in cassette HPLC-UV 225-9004
225-1
Other Passive HPLC-UV

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 Ltd (UK), Hazard Search, used with SKC's permission (opens in a new tab); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)