HEXACHLOROBUTADIENE
Cl2C:CClCCl:CCl2
MW: 260.74
METHOD: 2543, Issue 2
2543
CAS: 87-68-3
RTECS: EJ0700000
EVALUATION: FULL
OSHA : no PEL NIOSH: 0.02 ppm (skin); carcinogen ACGIH: 0.02 ppm (skin); carcinogen (1 ppm = 10.67 mg/m 3 @ NTP)
PROPERTIES:
Issue 1: 28 June 1979 Issue 2: 15 August 1994
clear, colorless liquid with a mild odor; d = 1.675 (15.5 °C); VP 2.9 kPa (22 mm Hg) @ 100 C°; B.P. 220 °C
SYNONYMS: 1,3-hexachlorobutadiene; HCBD; perchlorobutadiene; DOLEN-PUR
SAMPLING SAMPLER:
SOLID SORBENT TUBE (XAD-2; 100 mg/50 mg)
FLOW RATE:
0.05 to 0.2 L/min
VOL-MIN: -MAX:
1L 100 L @ 0.2 L/min
SHIPMENT:
routine, but store in dark
SAMPLE STABILITY:
7 days @ 25 °C; 28 days @ 0 °C in dark
BLANKS:
2 to 10 field blanks per set
ACCURACY RANGE STUDIED:
0.01 to 2 mg/m 3 [1] (100-L samples)
BIAS:
+ 0.5%
MEASUREMENT TECHNIQUE:
GAS CHROMATOGRAPHY/ECD
ANALYTE:
hexachlorobutadiene (HCBD)
EXTRACTION:
2 mL hexane; ultrasonic bath 1 h
INJECTION VOLUME:
1 µL
TEMPERATURE-INJECTOR: -DETECTOR: -COLUMN:
150 °C 250 °C 135 °C
COLUMN:
Nukol or Stabilwax-DA
CARRIER GAS:
Ar, 30 mL/min
DETECTOR:
ECD
PURGE GAS:
He or N 2, 80 mL/min
CALIBRATION:
standard solutions of hexachlorobutadiene in hexane
RANGE:
0.06 µg to 6 µg per sample [1]
ESTIMATED LOD:
0.02 µg per sample [1]
PRECISION (Sr):
0.03 [1]
ˆ ): 0.09 [1] OVERALL PRECISION (S rT ACCURACY:
± 18.1%
APPLICABILITY: The working range is 0.01 to 2.0 mg/m 3 for a 100-L sample [1]. An alternate column, DB-210, may be used with appropriate changes in instrumental conditions.
INTERFERENCES: Conditions of high humidity (>90%) may reduce capacity. Any compound with overlapping or similar retention times, or any sample containing chloroform may interfere[2].
OTHER METHODS: This revises method P&CAM 307 [1].
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94
