Hazard search
Isobutanol
- CAS number
- 78-83-1
- Also known as
- 2-Methyl-1-propanol · 2-Methylpropan-1-ol · Isobutanol (isobutyl alcohol) · Isobutyl alcohol · Isobutyl alcohol (alcohols combined) · Isobutyl alcohol (alcohols II) · Isobutyl alcohol (isobutanol) · Isobutyl alcohol (see online Passive Sampling Guide) · Isopropyl carbinol
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 50 ppm | |
| 8-hour TWA | 154 mg/m³ | |
| 15-minute STEL | 75 ppm | |
| 15-minute STEL | 231 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 (250mg) or Chromosorb 106 (300mg) thermal desorption tube | TD, GC | 226-357 226-358 |
| MDHS 80 VOCs by thermal desorption and GC Method document (opens in a new tab) | Passive | Chromosorb 106 thermal desorption tube (350mg) with diffusive end caps | 226-358 | |
| MDHS 88 VOCs by solvent desorption and GC Method document (opens in a new tab) | Passive | Passive sampler | GC-FID | 575-001 575-002 |
| 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 solvent desorption and GC Method document (opens in a new tab) | Active (pump) | Charcoal tube (100/50mg) | 226-01 | |
| MDHS 104 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Tenax TA (250mg) or chromosorb 106 (300mg) TD tube | 226-357 226-358 | |
| NIOSH 1401 Alcohols by GC-FID Method document (opens in a new tab) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | 226-01 |
| NIOSH 1405 Alcohols (combined) by GC-FID Method document (opens in a new tab) | Active (pump) | Charcoal tube (100/50mg) | GC-FID | 226-01 |
| OSHA 5001 Organic Vapor Sampling Group 2 by GC-FID Method document (opens in a new tab) | Active (pump) | Set of two Anasorb 747 tubes (400mg & 200mg) | GC-FID | 226-82 222-3L-1 |
| 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 Isobutyl alcohol by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-116 | |
| Other | Passive | GC-FID | 575-001 | |
| 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)