NAME: o-Toluidine
SYNONYM(s):
ortho-Aminotoluene; o-Methylaniline; 1-Methyl-1,2-amino-benzene;
2-Methylaniline
IMIS: 2475
CAS: 95-53-4
NIOSH: RTECS XU2975000; 83249
DOT: UN1708 Poison
DESCRIPTION:
Colorless to pale yellow liquid with a weak, aromatic odor.
MW:
107
BP:
391 F
VP:
<1 mm
MP:
-3 F
INCOM:
Strong oxidizers
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
5 ppm, 22 mg/m3 (Skin)
OSHA CONSTRUCTION INDUSTRY PEL:
5 ppm, 22 mg/m3 TWA (Skin)
ACGIH TLV:
2 ppm, 8.8 mg/m3 TWA (Skin); Appendix A3 (Confirmed Animal Carcinogen
with Unknown Relevance to Humans)
NIOSH REL:
Potential Carcinogen; lowest feasible concentration (Skin)
Health Factors
NTP:
Suspect Human Carcinogen
IARC:
Group 2B, possibly carcinogenic to humans
SYMPTOM(s):
Anoxia; headaches; cyanosis; weakness, dizziness, drowsiness, micro
hematuria; eye burns; dermatitis; (carcinogenic)
HEALTH EFFECTS:
Methemoglobinemia (HE13); Acute systemic effects (HE4)
ORGAN:
Blood, kidneys, liver, CVS, skin, eyes
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Coated Glass Fiber Filters (37 mm) in 3 piece cassette. Coating is Sulfuric Acid.
MAX V:
100 Liters MAX F:
1.0 L/min
ANL 1:
Gas Chromatography; GC/ECD
REF:
2 (OSHA 73)
SAE:
0.09
CLASS:
Fully Validated
NOTE:
Filters may be obtained by OSHA personnel from SLTC.
SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):
DEVICE: Detector Tube
COMPANY: Gastec
PART #: 181
RANGE: 2.5-35 ppm
CLASS: Mfg
DEVICE: Instrumentation
COMPANY: Infrared Spectrophotometer
PART #: MIRAN 1A & 1B
RANGE: 0.9 ppm @ 13.5 um
CLASS: Mfg
BULK METHOD:
Limit the amount of bulk submitted to one gram or one mL.
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