NAME: Phosdrin
SYNONYM(s):
2-Carbomethoxy-1-methylvinyl dimethyl phosphate; Mevinphos
IMIS: 2065
CAS: 7786-34-7
NIOSH: RTECS GQ5250000; 27538
DOT: NA2783 Poison
DESCRIPTION:
Colorless or yellow liquid with a weak odor.
MW:
224
BP:
99-103 F at 0.03 mm
MP:
-69 F
VP:
0.003 mm
INCOM:
Strong oxidizers
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
0.1 mg/m3 (Skin)
OSHA CONSTRUCTION INDUSTRY PEL:
0.1 mg/m3 TWA (Skin)
ACGIH TLV:
0.09 mg/m3 TWA; 0.03 ppm, 0.27 mg/m3 STEL (Skin); (TLV listed under
Mevinphos)
NIOSH REL:
0.01 ppm TWA, 0.03 ppm STEL (Skin)
Health Factors
SYMPTOM(s):
Miosis; rhinorrhea; headaches; tight chest, wheezing, laryngeal +
spasms;
salivation; cyanosis; anorexia; nausea, vomiting, abdominal cramps,
diarrhea; paralysis, ataxia; convulsions; low blood pressure, cardiac
irregularities; skin, eye irritation
HEALTH EFFECTS:
Cholinesterase inhibition (HE6); LD50 (oral, rat) 3.7-6.1 mg/kg
ORGAN:
Respiratory system, CNS, CVS, skin, blood cholinesterase
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 (TWA)
MAX V:
15 Liters MAX F:
1.0 L/min (STEL)
ANL 1:
Gas Chromatography; GC/FPD
REF:
2 (OSHA In-House File)
CLASS:
Partially Validated
NOTE:
OSHA personnel may obtain sampling tubes from SLTC.
WIPE:
Yes, with Glass Fiber Filter
BULK METHOD:
Limit the amount of bulk submitted to one gram or one mL.
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