NAME: Methylamine

SYNONYM(s): Monomethylamine; Anhydrous methylamine

IMIS: 1665

CAS: 74-89-5

NIOSH: RTECS PF6300000; 48632

DOT: UN1061 Flammable Gas (Anhydrous)

DESCRIPTION:

Colorless gas with an ammonia-like odor; at low concentrations has a fishy odor; liquid under pressure.
MW: 31
BP: 21 F
MP: -136 F

INCOM: Mercury, strong oxidizers

OSHA GENERAL INDUSTRY PEL: 10 ppm, 12 mg/m3

OSHA CONSTRUCTION INDUSTRY PEL: 10 ppm, 12 mg/m3 TWA

ACGIH TLV: 5 ppm, 6.4 mg/m3 TWA; 15 ppm, 19 mg/m3 STEL

NIOSH REL: 10 ppm TWA

SYMPTOM(s): Eye, respiratory system irritation; coughing; skin, mucous membrane burns; dermatitis; conjunctivitis

HEALTH EFFECTS: Irritation-Eye, Nose, Throat, Skin---Moderate (HE15) HISTORY M118 lab 3/82

ORGAN: Respiratory system, eyes, skin

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 40)
SAE: 0.10
CLASS: Fully Validated

COND: Column: Mobile Phase: Detector Wavelength: Detection Limit:

SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):

DEVICE: Detector Tube COMPANY: MSA
PART #: 92115 RANGE: 5-80 ppm
CLASS: Mfg
DEVICE: Detector Tube COMPANY: Kitagawa
PART #: 222S RANGE: 1-40 ppm
CLASS: Mfg
DEVICE: Instrumentation COMPANY: Infrared Spectrophotometer
PART #: MIRAN 1A & 1B RANGE: 1.9 ppm @ 3.4 um
CLASS: Mfg