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Chemical Sampling Information (CSI)
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General Description

Synonyms: p-Diamino benzene; 1,4-Diaminobenzene; p-Phenylenediamine; p-Diaminobenzene; Pelagol D; Renal PF; Futramine D; Fur Black 41866; CI Developer 12; Developer PF; PPD; Peltol D; BASF Ursol D; USAF EK-394; Tertral D

OSHA IMIS Code Number: 2042

Chemical Abstracts Service (CAS) Registry Number: 106-50-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: SS8050000; 57571

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN1673 Poison

NIOSH Pocket Guide to Chemical Hazards, p-Phenylene diamine: chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:

white to light purple or brown solid
molecular weight: 108
vapor pressure: Very low at 20°C
boiling point: 512°F
melting point: 286°F

Incompatibilities: Strong oxidizers

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 0.1 mg/m3 (Skin)

Construction Industry: 0.1 mg/m3 TWA (Skin)

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.1 mg/m3 TWA; Appendix A4 (Not Classifiable as a Human Carcinogen)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.1 mg/m3 TWA (Skin)

Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans

Potential Symptoms: Pharyngeal, laryngeal irritation; bronchial asthma; sensitization dermatitis

Health Effects: Respiratory sensitization (Asthma) (HE9) Skin irritant, sensitizer (HE3)

Affected Organs: Respiratory system, skin

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Coated Glass Fiber Filters (37 mm) in 3 piece cassette. Coating is Sulfuric Acid
    analytical solvent: EDTA Solution
    maximum volume: 100 Liters  
    maximum flow rate:     1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV
    method reference: 2 (OSHA 87)
    sampling and analytical error: 0.09
    method classification: Fully Validated
    note: Filters may be obtained by OSHA personnel from the Salt Lake Technical Center.

Conditions: Column: C18 Mobile Phase: 95/5 H2O/ACN 0.05 M Sodium Phosphate @ pH 7 Detector Wavelength: 240 nm Detection Limit: 0.3 ug

Wipe Sampling Method:

  • sampling media: Glass Fiber Filter

Bulk Method:

  • Limit the amount of bulk submitted to one gram or one mL.

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