ISOPROPYL GLYCIDYL ETHER
C6H12 O2
MW: 116.16
METHOD: 1620, Issue 1
CAS: 4016-14-2
1620
RTECS: TZ3500000
EVALUATION: PARTIAL
OSHA : 50 ppm NIOSH: C 50 ppm (15 min) ACGIH: 50 ppm; STEL 75 ppm (1 ppm = 4.75 mg/m 3 @ NTP)
PROPERTIES:
Issue 1: 15 August 1994
liquid; d 0.919 g/mL @ 20 °C; VP 1.25 kPa (9.4 mm Hg, 1.2%) @ 25 °C
SYNONYMS: glycidyl isopropyl ether; 1,2-epoxy-3-isopropoxypropane; (1-methylethoxy)methyl)oxirane; IGE
SAMPLING
MEASUREMENT
SAMPLER:
SOLID SORBENT TUBE (coconut shell charcoal; 100 mg/50 mg)
TECHNIQUE:
GAS CHROMATOGRAPHY, FID
FLOW RATE:
0.01 to 0.2 L/min
ANALYTE:
isopropyl glycidyl ether
VOL-MIN: -MAX:
1 L @ 50 ppm 30 L
DESORPTION:
0.5 mL CS 2, 30 min
SHIPMENT:
routine (refrigerate at lab)
TEMPERATURE-INJECTION: -DETECTOR: -COLUMN:
SAMPLE STABILITY:
not determined
INJECTION VOLUME:
5 µL
BLANKS:
2 to 10 field blanks per set
CARRIER GAS:
N 2, 50 mL/min
COLUMN:
stainless steel, 3.2-mm ID x 3 m, packed with 10% FFAP on 80/100 mesh Chromosorb W-AW DMCS
CALIBRATION:
standard solutions of isopropyl glycidyl ether in CS 2
RANGE:
0.25 to 5 mg per sample
205 °C 270 °C 115 °C
ACCURACY RANGE STUDIED:
121 to 484 mg/m 3 [1] (10-L samples)
BIAS:
-5.5%
ˆ ): 0.067 [1] OVERALL PRECISION (S rT ACCURACY:
±14.6%
ESTIMATED LOD: not determined PRECISION (Sr):
0.020 [1]
APPLICABILITY: The working range is 5 to 105 ppm (25 to 500 mg/m 3) for a 10-L air sample. An appropriate capillary column may be used for better resolution and sensitivity. The sorbent's capacity for the analyte has not been determined under conditions of high relative humidity.
INTERFERENCES: None identified.
OTHER METHODS: This is Method S77 [2] in a revised format.
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94