NAME: Xylidine
SYNONYM(s):
2,4-Dimethylaniline; 2,4-Dimethylaminobenzene; Aminodimethylbenzene;
2,4-Xylidine; 2,5-Xylidine; (there are 6 isomers for Xylidine)
IMIS: 2600
CAS: 1300-73-8
Other CAS:
95-68-1; 95-78-3
NIOSH: RTECS ZE8575000; 88480
DOT: UN1711 Poison
DESCRIPTION:
Pale yellow to brown liquid with a weak, aromatic amine odor.
MW:
121
BP:
415 to 439 F
VP:
<1 mm
INCOM:
Strong oxidizers, hypochlorite bleaches
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
5 ppm, 25 mg/m3
OSHA CONSTRUCTION INDUSTRY PEL:
5 ppm, 25 mg/m3 TWA (Skin)
ACGIH TLV:
0.5 ppm TWA (Inhalable Fraction) (Vapor and Aerosol) (Skin); Appendix A3 (Confirmed Animal Carcinogen with Unknown Relevance to Humans) (mixed isomers); BEI
NIOSH REL: 2 ppm TWA (Skin)
Health Factors
IARC:
Group 3, not classifiable as to its carcinogenicity to humans
(2,4-Xylidine and 2,5-Xylidine)
SYMPTOM(s):
Anoxia, cyanosis; lung, liver, kidney damage
HEALTH EFFECTS:
Methemoglobinemia (HE13); Acute systemic toxicity (HE4)
ORGAN:
Blood, lungs, liver, kidneys, CVS
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Silica Gel Tube (150/75 mg sections, 20/40 mesh)
MAX V:
30 Liters MAX F:
0.2 L/min
ANL 1:
Gas Chromatography; GC/FID
REF:
1 (NIOSH 2002)
CLASS:
Fully Validated
SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):
MIRAN 1A &1B: 0.2 ppm @ 7.2 um
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