Hazard search
Morpholine
- CAS number
- 110-91-8
- Also known as
- Diethylene imidoxide · Diethylene oximide · Tetrahydro-1,4-oxazine
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 10 ppm | |
| 8-hour TWA | 36 mg/m³ | |
| 15-minute STEL | 20 ppm | |
| 15-minute STEL | 72 mg/m³ |
Notations
- Sk: can be absorbed through the skin
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| OSHA PV2123 Morpholine by GC-FID Method document (opens in a new tab) | Active (pump) | Coated XAD-7 tube (80/40mg) | GC-FID | 226-98 |
| Non-agency Morpholine by Colorimetric analysis | Direct-reading | Gastec Detector Tube | 810-180 810-180L |
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); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)