METHYL ACRYLATE
CH2=CHCOOCH3
MW: 86.09
METHOD: 1459, Issue 1
1459
CAS: 96-33-3
RTECS: AT2800000
EVALUATION: PARTIAL
OSHA : 10 ppm (skin) NIOSH: 10 ppm (skin) ACGIH: 10 ppm (skin) (1 ppm = 3.58 mg/m 3 @ NTP)
PROPERTIES:
Issue 1: 15 August 1994
liquid; BP 80.5 °C; d 0.9574 @ 20 °C; VP 65 mm Hg @ 20 °C; Vapor Density (air = 1 ) 2.95
SYNONYMS: Methyl propenoate, 2-propenoic acid methyl ester.
SAMPLING
MEASUREMENT
SAMPLER:
SOLID SORBENT TUBE (coconut shell charcoal, 100 mg/50 mg)
FLOW RATE:
0.01 to 0.2 L/min
VOL-MIN: -MAX:
1 L @ 10 ppm 5L
SHIPMENT:
routine
TECHNIQUE:
GAS CHROMATOGRAPH, FID
ANALYTE:
methyl acrylate
DESORPTION:
1.0 mL carbon disulfide; stand 30 min
INJECTION VOLUME:
5 µL
SAMPLE STABILITY:
unknown
TEMPERATURE-INJECTION: -DETECTOR: -COLUMN:
BLANKS:
2 to 10 field blanks per set
CARRIER GAS:
He, 30 mL/min
COLUMN:
stainless steel, 10 ft x -in, 50/0 FFAP on 100/120 mesh Supelcoport
DETECTOR:
FID
CALIBRATION:
standard solution of methyl acrylate in carbon disulfide with undecane or other suitable internal standards in the range 10 to 350 µg per sample
RANGE:
35 to 350 µg per sample [2]
ACCURACY RANGE STUDIED:
13.9 to 58.4 mg/m 3 [1] (6-L samples)
BIAS:
-10.4%
ˆ ): OVERALL PRECISION (S rT
225 °C 250 °C 70 °C
0.066 ESTIMATED LOD: 10 µg per sample [3]
ACCURACY:
±23.3%
PRECISION (Sr):
0.049
APPLICABILITY: The working range is 2 to 100 ppm (7 to 360 mg/m 3) for a 5-L air sample.
INTERFERENCES: Alternate chromatographic columns to circumvent interferences are SE-54 and SP-1000 fused silica capillary columns [4].
OTHER METHODS: This revises Method S38 [2]. spectrometry for identification of methyl acrylate [5].
An independent analytical method provided by N. Gjoes et al. uses
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94
