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Chemical Sampling Information
Dimethylaniline (N,N-Dimethylaniline)
 Field Definitions
 Analytical Methods
General Description

NAME: Dimethylaniline (N,N-Dimethylaniline)

SYNONYM(s): N,N-Dimethylaniline

IMIS: 0931

CAS: 121-69-7

NIOSH: RTECS BX4725000; 8212

DOT: UN2253 Poison

DESCRIPTION:

Straw- to brown-colored liquid with a characteristic amine-like odor.
MW: 121
BP: 379 F
VP: < 1 mm
MP: 36 F



INCOM: Strong oxidizers, strong acids

Exposure Limits

OSHA GENERAL INDUSTRY PEL: 5 ppm, 25 mg/m3 (Skin)

OSHA CONSTRUCTION INDUSTRY PEL: 5 ppm, 25 mg/m3 TWA (Skin)

ACGIH TLV: 5 ppm, 25 mg/m3 TWA; 10 ppm, 50 mg/m3 STEL (Skin); Appendix A4 (Not Classifiable as a Human Carcinogen)

NIOSH REL: 5 ppm TWA (Skin), 10 ppm STEL (Skin)

Health Factors

SYMPTOM(s): Anoxia symptoms, cyanosis; weakness, dizziness, ataxia

HEALTH EFFECTS: Methemoglobinemia (HE13); CNS effects (HE7)

ORGAN: Blood, kidneys, liver, CVS

NIOSH/OSHA/DOE Health Guideline

Monitoring

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):



MEDIA: Coated XAD-7 Tube (80/40 mg sections) Coating is 10% Phosphoric Acid.
ANL SOLVENT: 0.2 N NH4OH in Methanol
MAX V: 30 Liters   MAX F: 0.2 L/min
ANL 1: Gas Chromatography; GC/FID
REF: 2 (OSHA PV2064)
CLASS: Partially Validated

COND: Column: 60m x 0.32 mm ID with 1 micron film RTX-5 Temperatures (deg C): 120 Oven, 200 Inj, 250 Detector

SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):


DEVICE: Detector Tube COMPANY: Gastec
PART #: 181 RANGE: 2.5-45 ppm
CLASS: Mfg
DEVICE: Instrumentation COMPANY: Infrared Spectrophotometer
PART #: MIRAN 1A & 1B RANGE: 0.7 ppm @ 8.6 um
CLASS: Mfg


Revision Date: 01/14/2002
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