NAME: Dimethylamine

SYNONYM(s): Dimethylamine, anhydrous

IMIS: 0928

CAS: 124-40-3

NIOSH: RTECS IP8750000; 31609

DOT: UN1032 Flammable Gas (Anhydrous); UN1160 Flammable Liquid (Solution)

DESCRIPTION:

Colorless liquid or gas with a pungent, fishy, or ammonia-like odor.
MW: 45
BP: 44 F
VP: 1.7 atm
MP: -134 F

INCOM: Strong oxidizers, chlorine, mercury

OSHA GENERAL INDUSTRY PEL: 10 ppm, 18 mg/m3

OSHA CONSTRUCTION INDUSTRY PEL: 10 ppm, 18 mg/m3 TWA

ACGIH TLV: 5 ppm, 9.2 mg/m3 TWA; 15 ppm, 27.6 mg/m3 STEL; Appendix A4 (Not Classifiable as a Human Carcinogen)

NIOSH REL: 10 ppm TWA

SYMPTOM(s): Nose, throat irritation; sneezing, coughing, dyspnea; pulmonary edema; conjunctivitis; burns skin, mucous membranes; dermatitis

HEALTH EFFECTS: Irritation-Eye, Nose, Throat, Skin---Marked (HE14) Cumulative liver, testicular damage (HE3)

ORGAN: Respiratory system, skin, eyes

NIOSH/OSHA/DOE Health Guideline

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):

MEDIA: Coated XAD-7 Tube (80/40 mg sections, 20/50 mesh); Coating is 10% (w/w) NBD-Chloride.
ANL SOLVENT: Tetrahydrofuran
MAX V: 10 Liters   MAX F: 0.2 L/min
ANL 1: High Performance Liquid Chromatography; HPLC/FLU/VIS
REF: 2 (OSHA 34)
SAE: 0.09
CLASS: Fully Validated
NOTE: OSHA personnel may obtain sampling tubes from SLTC.

COND: Column: Radial CN Mobile Phase:80:20 Isooctane:Water Detector Wavelength: 465 EX: 525 EM (Fluor) Detection Limit: 2.8 ng/inj

SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):

DEVICE: Detector Tube COMPANY: Gastec
PART #: 180 RANGE: 1-60 ppm
CLASS: Mfg
DEVICE: Detector Tube COMPANY: MSA
PART #: 92115 RANGE: 5-100 ppm
CLASS: Mfg
DEVICE: Instrumentation COMPANY: Infrared Spectrophotometer
PART #: MIRAN 1A & 1B RANGE: 1.2 ppm @ 8.8 um
CLASS: Mfg