Hazard search

o-Dichlorobenzene

CAS number
95-50-1
Also known as
1,2-Dichlorobenzene · 1,2-Dichlorobenzene (o-dichlorobenzene) · 1,2-Dichlorobenzene (ortho-dichlorobenzene) · o-Dichlorobenzene (1,2-dichlorobenzene) · o-Dichlorobenzene (hydrocarbons, halogenated) · ortho-Dichlorobenzene

UK workplace exposure limits

LimitValueApplies to
8-hour TWA 25 ppm
8-hour TWA 153 mg/m³
15-minute STEL 50 ppm
15-minute STEL 306 mg/m³

Sampling methods

MethodSamplingMedium AnalysisPart numbers
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) 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
NIOSH 1003
Halogenated hydrocarbons by GC-FID
Method document (opens in a new tab)
Active (pump) Charcoal tube (100/50mg) GC-FID 226-01
NIOSH 2549
VOCs (screening) by thermal desorption and GC -MS
Method document (opens in a new tab)
Active (pump) Thermal desorption tube 226-330
ASTM D5466
VOCs by GC -MS
Method document (opens in a new tab)
Active (pump) Canister GC-MS
Non-agency
o-dichlorobenzene by colorimetric analysis
Direct-reading Gastec Detector Tube 810-127
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) or Tenax TA (265 mg) passive sampler 690-101
690-103
690-104
Other Passive GC-FID 575-001
Other Passive GC-FID 575-002
Other Passive TD, GC 690-101
690-103
690-104
Other Passive GC-FID 690-105
Other Internal Passive TD, GC 690-101
690-103
690-104
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)