NAME: Fonofos
SYNONYM(s):
Difonate; ENT 25,796; N-2790; Stauffer N-2790;
Ethyl s-phenyl ethyl phosphonothiolthionate; Diphonate;
Dyfonate prior to 9/1/89
IMIS: 2685
CAS: 944-22-9
NIOSH: RTECS TA5950000; 58367
DOT:
UN2903 Poison, Flammable Liquid
DESCRIPTION:
Light yellow liquid, soil insecticide.
MW:
246 BP(0.1 mm): 130
Exposure Limits
ACGIH TLV:
0.1 mg/m3 TWA (Skin); Appendix A4 (Not Classifiable as a Human
Carcinogen)
NIOSH REL: 0.1 mg/m3 TWA (Skin)
Health Factors
HEALTH EFFECTS:
Cholinesterase inhibition (HE6); LD50 (oral,rat) 3 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
MAX V:
480 Liters MAX F:
1.0 L/min
ANL 1:
Gas Chromatography; GC/FPD
REF:
2 (OSHA In-House File)
CLASS:
Not Validated
NOTE:
OSHA personnel may obtain sampling tubes from SLTC.
COND:
HPLC/UV; ACN extraction; u Bondapak C18; 80% methanol 20%
water; 0.9 mL/min; UV det: 254; Retention time, 8.25 min;
1.2 ng/inj; C/P GFL 2/83
WIPE:
Yes, with Glass fiber filter.
BULK METHOD:
Limit the amount of bulk submitted to one gram or one mL.
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