Hazard search
Pyridine
- CAS number
- 110-86-1
- Also known as
- Azabenzene
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 5 ppm | |
| 8-hour TWA | 16 mg/m³ | |
| 15-minute STEL | 10 ppm | |
| 15-minute STEL | 33 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 72 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Tenax thermal desorption tube (250mg) | TD, GC | 226-357 |
| MDHS 88 | Passive | GC-FID | 575-001 | |
| MDHS 88 VOCs by solvent desorption and GC Method document (opens in a new tab) | Passive | Passive sampler | 575-002 | |
| MDHS 96 VOCs by solvent desorption and GC Method document (opens in a new tab) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | 226-01 |
| MDHS 104 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Tenax TD tube (250mg) | 226-357 | |
| NIOSH 1613 Pyridine by GC-FID Method document (opens in a new tab) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | 226-01 |
| OSHA PV2295 Pyridine by GC-FID Method document (opens in a new tab) | Active (pump) | Two XAD-7 tubes in series (100/50mg) | GC-FID | 226-95 |
| EPA TO-17 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Two Thermal Desorption tubes | TD, GC | 226-350 226-347 224-26-02 224-26-CPC |
| Non-agency Pyridine by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-182 | |
| Other | Passive | GC-FID | 575-002 |
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)