---
title: "o-Phenylenediamine (95-54-5): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/o-phenylenediamine-95-54-5/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/o-phenylenediamine-95-54-5/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/o-phenylenediamine-95-54-5/
---

Hazard search

# o-Phenylenediamine

CAS number

95-54-5

Also known as

1,2-Benzenediamine · 1,2-Diaminobenzene · 1,2-Phenylenediamine · ortho-Phenylenediamine

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA 87** / m-, o- and p-Phenylenediamine by HPLC/UV / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-87.pdf) | Active (pump) | Coated glass fibre filters in 37mm cassette | HPLC-UV | [225-9004](https://analyt-mtc.com/catalog/product/skc-coated-treated-filters/#part-225-9004) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |

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)](https://www.skcltd.com/hazard-search.html); [SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)](https://international.skcinc.com/sampling-guides/)