<< Back to Chemical Sampling Information

Chemical Sampling Information (CSI)
Search (use word(s)/phrase)
Table of Contents
By Name
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z

By CAS Number
Quick Links

General Description

Synonyms: Trinitrotoluol; sym-Trinitrotoluene; TNT; 2,4,6-Trinitrotoluene

OSHA IMIS Code Number: 2530

Chemical Abstracts Service (CAS) Registry Number: 118-96-7

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: XU0175000; 83169

Chemical Description and Physical Properties:

    Colorless to pale yellow, odorless solid.

    molecular weight: 227
    melting point: 178F
    vapor pressure: 185F: 0.05mm
    boiling point: 464F

Incompatibilities:

    Strong oxidizers, ammonia, strong alkalies, oxidizable materi

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

    General Industry: 1.5 mg/m3 (Skin)

    Construction Industry: 15 mg/m3 TWA (Skin)

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.1 mg/m3 TWA (Skin)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.5 mg/m3 TWA (Skin)

Health Factors

Potential Symptoms: Liver damage, jaundice; cyanosis; sneezing, coughing, sore throat; peripheral neuritis, muscle pain; kidney damage; cardiac irregularities; cataracts; sensitization dermatitis; leukocytosis, anemia

Health Effects: Methemoglobinemia (HE13); Aplastic Anemia (HE12) Cumulative eye (Cataracts) and liver damage (HE3)

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

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:
  • sampling media: Modified Tenax-GC Tube (100/50 mg sections, 35/60 mesh) Modified by placing 8 mm Glass Fiber Filter inside tube ahead of first resin bed.
    analytical solvent: Acetone
    maximum volume: 60 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: Gas Chromatography; GC/(TEA/EAP)
    method reference: OSHA Analytical Method (OSHA 44)
    sampling and analytical error: 0.13
    method classification: Fully Validated
    note: OSHA personnel may obtained sample tubes from SLTC. The air sampling pump must be certified by NIOSH and MSHA as safe for use in coal mines.

**All Trademarks are the property of their respective owners.