Hazard search
2,2-Dichloro-4,4'-methylene dianiline
- CAS number
- 101-14-4
- Also known as
- 2,2'-Dichloro-4,4'-methylene dianiline (MbOCA) · 4,4'-Methylene bis(2-chloroaniline) · 4,4'-Methylenebis(2-chloroaniline) (MOCA) · 4,4'-Methylenebis[o-chloroaniline] · 4,4-Methylenebis(orthochloroaniline) (MbOCA) · MBOCA · MOCA
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 0.005 mg/m³ |
Notations
- BMGV: a biological monitoring guidance value exists
- Carc: carcinogen
- Sk: can be absorbed through the skin
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 75/2 | Active (pump) | GC-ECD | 225-9004 225-1 | |
| MDHS 75/2 Aromatic amines by HPLC Method document (opens in a new tab) | Active (pump) | IOM with glass fibre filter (requires coating) | HPLC | 225-70A 225-58F 225-9004 |
| OSHA 71 o-Dianisidine, 4.4-Methylenebis(2-chloroaniline), and o-Tolidine by GC-ECD Method document (opens in a new tab) | Active (pump) | Two coated glass fibre filters preloaded in 37mm cassette | GC-ECD | 225-9004 225-1 |
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)