Hazard search
2-Butanone
- CAS number
- 78-93-3
- Also known as
- 2-Butanone (Ketones I) · 2-Butanone (methyl ethyl ketone) · 2-Butanone (Methylethyl ketone: MEK) · Butan-2-one · Butan-2-one (MEK) · Ethyl methyl ketone · MEK · MEK (see methyl ethyl ketone) · Methyl acetone · Methyl ethyl ketone · Methyl ethyl ketone (Ketones I) · Methyl ethyl ketone (MEK) (see 2-butanone) · Methyl ethyl ketone (MEK, 2-butanone) · Methyl ethyl ketone (MEK, 2-butanone) (see online Passive Sampling Guide)
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 200 ppm | |
| 8-hour TWA | 600 mg/m³ | |
| 15-minute STEL | 300 ppm | |
| 15-minute STEL | 899 mg/m³ |
Notations
- BMGV: a biological monitoring guidance value exists
- Sk: can be absorbed through the skin
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 | 226-357 226-358 | |
| MDHS 88 VOCs by solvent desorption and GC-FID Method document (opens in a new tab) | Passive | Anasorb CSC (350 mg) or Anasorb® 747 (500 mg) 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) | Anasorb 747 tube (140/70mg) | GC-FID | 226-81A |
| MDHS 104 VOCs by thermal desorption and GC Method document (opens in a new tab) | Active (pump) | Tenax TA (250mg) or Chromosorb 106 (300mg) thermal desorption tube | 226-357 226-358 | |
| NIOSH 2027 | GC-FID | |||
| NIOSH 2500 Methyl ethyl ketone by GC-FID Method document (opens in a new tab) | Active (pump) | Anasorb 747 tube (140/70mg) | GC-FID | 226-81A |
| NIOSH 2549 VOCs (screening) by thermal desorption and GC -MS Method document (opens in a new tab) | Active (pump) | Anasorb GCB2/GCB1/Carbosieve S-111 thermal desorption tube | 226-330 | |
| NIOSH 2555 | GC-FID | |||
| OSHA 1004 2-Butanone & Hexone by GC-FID Method document (opens in a new tab) | Active (pump) | Anasorb CMS tubes (150/75mg) | ||
| OSHA 1004 2-Butanone & Hexone by GC-FID Method document (opens in a new tab) | Passive | Passive sampler | GC-FID | 575-002 |
| OSHA 1004 | GC-FID | |||
| OSHA 1004 | GC-FID | |||
| ASTM D5197-21 Formaldehyde & other carbonyl compounds in air by HPLC/UV Method document (opens in a new tab) | Active (pump) | Coated silca gel tube (300/150 mg) or coated silica gel tube with oxidiser 1500/300/150 mg) | 226-119 226-120 | |
| 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 Methyl ethyl ketone by Colorimetric analysis | Direct-reading | Gastec Detector Tube | 810-152 810-152L 810-151L | |
| Non-agency VOCs by solvent extraction and GC Method document (opens in a new tab) | Passive | Anasorb CSC (500mg) passive sampler | 690-105 | |
| Non-agency VOCs by thermal desorption and GC Method document (opens in a new tab) | Passive | Anasorb GBC1 (370mg) or Chromosorb 106 (285 mg) passive sampler | 690-101 690-103 | |
| Non-agency Methyl ethyl ketone by Colorimetric analysis | Passive | Gastec Dosi-Tube | 810-152D 810-91D 810-151D | |
| Other | Passive | GC-FID | 575-001 | |
| Other | Passive | GC-FID | 575-002 | |
| Other | Passive | TD, GC | 690-101 690-103 | |
| Other | Passive | GC-FID | 690-105 | |
| Other | Passive | DR | 810-151D 810-152D 810-91D | |
| Other Internal | Passive | TD, GC | 690-101 690-103 | |
| Other Internal | Passive | GC-FID | 690-105 |
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)