NAME: MCPA

SYNONYM(s): 2-Methyl-4-chlorophenoxyacetic acid; MCP

IMIS: M178

CAS: 94-74-6

NIOSH: RTECS AG1575000; 1940

DESCRIPTION:

White crystalline solid.
MW: 200.54
MP: 118 C

HEALTH EFFECTS: Similar to 2,4-D; LD50 (oral, rat) 700 mg/kg

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):

MEDIA: Glass Fiber Filter (37 mm)
ANL SOLVENT: Methanol
MAX V: 250 Liters   MAX F: 1.0 L/min
ANL 1: High Performance Liquid Chromatography; HPLC/U.
REF: 2 (OSHA In-House File)
CLASS: Not Validated

COND: Methanol Extraction; C-18; 60% methanol 40% water 1% acetic acid; 1 mL/min; UV Det: 254 nm; DL 5 ug/sample; C/P KM

BULK METHOD:

Limit the amount of bulk submitted to one gram or one mL.