Hazard search
Isophorone
- CAS number
- 78-59-1
- Also known as
- 1,1,3-Trimethyl-3-cyclohexene-5-one · 3,5,5-Trimethylcyclohex-2-enone · 3,5,5-Trimethylcyclohex-2-enone (isophorone) · Isoacetophorone · Isophorone (3,5,5-trimethylcyclohex-2-enone) · Isophorone (see online Passive Sampling Guide)
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 15-minute STEL | 5 ppm | |
| 15-minute STEL | 29 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) | Thermal desorption tube | TD, GC | 226-357 |
| MDHS 80 VOCs by thermal desorption and GC Method document (opens in a new tab) | Passive | Tenax thermal desorption tube with diffusive end caps | 226-357 | |
| MDHS 88 VOCs by solvent desorption and GC Method document (opens in a new tab) | Passive | Passive sampler | GC-FID | 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 2508 Isophorone by GC-FID Method document (opens in a new tab) | Active (pump) | Anasorb 747 tube (140/70mg) | GC-FID | 226-81A |
| NIOSH 2556 Isophorone by GC-FID Method document (opens in a new tab) | Active (pump) | XAD-4 tube (80/40mg) | GC-FID | 226-93 |
| EPA TO-17 | Active (pump) | TD, GC | 226-350 226-347 224-26-02 224-26-CPC | |
| EPA TO-17 Toxic Organic Compounds by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Thermal desorption tube | 226-300 | |
| Non-agency Isophorone by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-154 | |
| Non-agency VOCs by thermal desorption and GC Method document (opens in a new tab) | Passive | Anasorb GCB1 (370mg) or Tenax TA (265mg) passive sampler | 690-101 690-104 | |
| Other | Passive | GC-FID | 575-002 | |
| Other | Passive | TD, GC | 690-101 690-104 | |
| Other Internal | Passive | TD, GC | 690-101 690-104 |
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)