---
title: "1,3-Dichloro-5,5-dimethylhydantoin (118-52-5) — Analyt-MTC"
url: https://analyt-mtc.com/tools/hazard-search/1-3-dichloro-5-5-dimethylhydantoin-118-52-5/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/1-3-dichloro-5-5-dimethylhydantoin-118-52-5/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/1-3-dichloro-5-5-dimethylhydantoin-118-52-5/
---

Hazard search

# 1,3-Dichloro-5,5-dimethylhydantoin

CAS number

118-52-5

Also known as

1,3-Dichloro-5,5-dimethylhydantion · 2,4-Imidazolidinedione, 1,3-dichloro-5,5-dimethyl- · Dactin

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.2 mg/m³ |  |
| 15-minute STEL | 0.4 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **Other** |  |  |  |  |

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/)