NAME: Terbufos
SYNONYM(s):
Phosphorodithioic acid S-[[1.1-dimethylethyl)thio]methyl]-o,o-diethyl
ester; Counter 15G
IMIS: 2333
CAS: 13071-79-9
NIOSH: RTECS TD7200000; 59082
DESCRIPTION:
Clear liquid.
MW:
288.41
BP:
69 C at 0.01 mm
MP:
-29.2 C
Exposure Limits
ACGIH TLV: 0.01 mg/m3 TWA (Inhalable Fraction) (Vapor and Aerosol) (Skin); Appendix A4 (Not Classifiable as a Human Carcinogen); BEI
Health Factors
HEALTH EFFECTS:
LD50 (oral,rat) 1.6-9.0 mg/kg
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed.
ANL SOLVENT:
Toluene
MAX V:
480 Liters MAX F:
1.0 L/min
ANL 1:
Gas Chromatography; GC/FPD
REF:
2 (OSHA In-House File)
CLASS:
Partially Validated
NOTE:
OSHA personnel may obtain sampling tubes from SLTC.
COND:
Toluene extraction; column (30 m x 0.53 mm i.d.) DB-210 megabore
1 um thick film; Oven 150-200 deg C at 8 deg/min; Inj T 200 deg. C;
Det T 300 deg. C; Retention time 5.5 min; DL 1.2 ug/sample; +
extraction
eff 97%
WIPE:
Yes, with Glass Fiber Filter
BULK METHOD:
Limit the amount of bulk submitted to one gram or one mL.
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