---
title: "4-Nitrobiphenyl (92-93-3): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/4-nitrobiphenyl-92-93-3/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/4-nitrobiphenyl-92-93-3/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/4-nitrobiphenyl-92-93-3/
---

Hazard search

# 4-Nitrobiphenyl

CAS number

92-93-3

Also known as

4-Nitrodiphenyl · p-Nitrobiphenyl · PNB

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA PV2082** / 4-Nitrodiphenyl by LC -UV / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-pv2082.pdf) | Active (pump) | OVS-2 tube | GC-FID | [226-30-16](https://analyt-mtc.com/catalog/product/skc-osha-versatile-sampler-ovs-tubes/#part-226-30-16) |

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/)