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Chemical Sampling Information (CSI)
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General Description

Synonyms: Dinitrobenzene; 1,2-Dinitrobenzene; m-Dinitrobenzene; 1,3-Dinitrobenzene; p-Dinitrobenzene; 1,4-Dinitrobenzene

OSHA IMIS Code Number: 0970

Chemical Abstracts Service (CAS) Registry Number: 25154-54-5; 99-65-0; 528-29-0; 100-25-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: CZ7450000 (ortho); CZ7350000 (meta); CZ75250000 (para)

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN1597 152 Poison

Chemical Description and Physical Properties:

pale white or yellow, crystalline solid
molecular weight: 168.1
boiling point: 570°-602°F

Incompatibilities: Strong oxidizers, caustics, metals, such as tin, zinc

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 1.0 mg/m3 (Skin)

Construction Industry: 1 mg/m3 TWA (Skin)

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.15 ppm, 1 mg/m3 TWA (Skin)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 1 mg/m3 TWA

Health Factors

Potential Symptoms: Anoxia, cyanosis; visual disturbance, central scotomas; bad taste, burning mouth, dry throat, thirst; yellowing hair, eyes, skin; anemia; liver damage

Health Effects: Blood Disturbances (HE12) and (HE13) Liver and kidney damage (HE3)

Affected Organs: Blood, liver, CVS, eyes, CNS

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed
    analytical solvent: Ethyl Acetate
    maximum volume: 60 Liters
    maximum flow rate: 1 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 1 (OSHA In-House File)
    method classification: Partially Validated

Conditions: DB-5 Capillary Column (60m x 0.32mm) 1.0 µm df

Secondary Laboratory Sampling/Analytical Method (SAM2):

  • device: Detector Tube
    company: Gastec
    part #: 1L
    range: 10-2,000 ppm;
    class: Mfg

  • device: Detector Tube
    company: Gastec
    part #: 1La
    range: 8-1,000 ppm
    class: Mfg

  • device: Detector Tube
    company: Draeger
    part #: 67 33051
    1 range: 2-300 ppm
    class: Mfg

  • device: Detector Tube
    company: Draeger
    part #: CH 25601
    range: 5-700 ppm
    class: Mfg

  • device: Detector Tube
    company:     Draeger
    part #: CH 20601
    range: 10-3000 ppm
    class: Mfg

  • device: Detector Tube
    company:     MSA
    part #: 47134
    range: 10-1000 ppm
    class: Mfg

  • device: Detector Tube
    company: MSA
    part #: 91229
    range: 5-3000 ppm
    class: Mfg

  • device: Detector Tube
    company: MSA
    part #: 465519
    range: 0-3000 ppm
    class: Mfg

  • device: Detector Tube
    company: Kitagawa
    part #: 100
    range: 5-1000 ppm
    class: Mfg

  • device: Detector Tube
    company: Kitagawa
    part #: 106S
    range: 10-250 ppm
    class: Mfg

  • device: Detector Tube
    company: Kitagawa
    part #: 106SA
    range: 5-1000 ppm
    class: Mfg

  • device: Instrumentation
    company: Infrared Spectrophotometer
    part #: MIRAN 1A & 1B
    range: 2.1 ppm @ 4.7 um
    class: Mfg

  • device: Instrumentation
    company: Infrared Spectrophotometer
    part #: MIRAN 103
    range: 0-100 ppm @ 4.61 um
    class: Mfg

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