---
title: "Calcium cyanamide (156-62-7): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/calcium-cyanamide-156-62-7/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/calcium-cyanamide-156-62-7/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/calcium-cyanamide-156-62-7/
---

Hazard search

# Calcium cyanamide

CAS number

156-62-7

Also known as

Calcium carbimide

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.5 mg/m³ |  |
| 15-minute STEL | 1 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **OSHA ID 121** | Active (pump) |  | AA or AES | [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |
| **OSHA ID-121** / Metal & metalloid particulates in Workplace Atmospheres by AA/AES / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-id121.pdf) | Active (pump) | MCE Filter 37mm or 25 mm CST | AA or AES | [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) / [225-3100](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3100) / [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/)