ISOPROPYL ACETATE
MW: 102.14
CH3 COOCH(CH3 )2 METHOD: 1454, Issue 1
1460
CAS: 108-21-4
RTECS: AI4930000
EVALUATION: PARTIAL
OSHA : 250 ppm NIOSH: no REL ACGIH: 250 ppm; STEL 310 ppm
Issue 1: 15 March 2003
PROPERTIES: Colorless liquid; BP 89.4 °C; d 0.87 g/mL @20 °C; miscible in most organic solvents; VP 6.33 kPa (47.5 mm Hg)
(1 ppm = 4.18 mg/m3 @ NTP)
SYNONYMS: 2-Propyl Acetate
SAMPLING
MEASUREMENT
SOLID SORBENT TUBE (coconut shell charcoal, 100 mg/50 mg, Lot 2000)
TECHNIQUE:
GAS CHROMATOGRAPHY, FID
ANALYTE:
Isopropyl acetate
FLOW RATE:
0.02 to 0.2 L/min
DESORPTION:
1 mL of carbon disulfide containing 1% methanol
VOL -MIN: -MAX:
0.1 L @ 250 ppm 9L
INJECTION VOLUME: 1 µL
SHIPMENT:
Routine
SAMPLER:
SAMPLE STABILITY:
30 Days @ 5°C
TEMPERATURE -INJECTION: -DETECTOR: -COLUMN:
BLANKS:
2 to 10 field blanks per set
CARRIER GAS:
Helium, 2.8 mL/min
COLUMN:
Capillary, fused silica, 30-m x 0.32mm ID, 1.00 µm film crossbonded® 100% dimethyl polysiloxane or equivalent
CALIBRATION:
Standard solutions of isopropyl acetate in carbon disulfide/ methanol (99:1)
OVERALL PRECISION (Ö rT ): Not Determined
RANGE:
0.6 to 697.6 µg per sample
ACCURACY:
ESTIMATED LOD:
0.2 µg per sample
PRECISION ( þ r ):
0.013
ACCURACY RANGE STUDIED:
Not Studied
BIAS:
Not Determined
Not Determined
250 °C 300 °C 40°C (1 min) to 200°C (10°C/min)
APPLICABILITY: The working range is 0.018 to 20.9 ppm (0.075 to 87.2 mg/m3 ) for an 8-L air sample [3].
INTERFERENCES: None identified.
OTHER METHODS: This method was developed as an update for NMAM 1454, Issue 1 which was based upon NIOSH Method S50 from the 2nd edition of the NIOSH Manual of Analytical Methods [1,2].
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
