---
title: "Methotrexate (59-05-2): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/methotrexate-59-05-2/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/methotrexate-59-05-2/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/methotrexate-59-05-2/
---

Hazard search

# Methotrexate

CAS number

59-05-2

Also known as

Amethopterin · Methylaminopterin

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA PV2146** / Methotrexate by HPLC/UV / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-pv2146.pdf) | Active (pump) | OVS-2 tube | HPLC-UV | [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/)