---
title: "Picric acid (88-89-1): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/picric-acid-88-89-1/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/picric-acid-88-89-1/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/picric-acid-88-89-1/
---

Hazard search

# Picric acid

CAS number

88-89-1

Also known as

2,4,6-Trinitrophenol · Carbazotic acid · Nitroxanthic acid · Picronitric acid

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.1 mg/m³ |  |
| 15-minute STEL | 0.3 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA CSI** | Active (pump) |  | HPLC-UV | [225-70A](https://analyt-mtc.com/catalog/product/haz-dust-7204-particulate-monitor/#part-225-70a) / [225-1930](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-1930) |

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/)