Fenamiphos
Synonyms & Trade Names
Ethyl 3-methyl-4-(methylthio)phenyl-(1-methylethyl)phosphoramidate, Nemacur®, Phenamiphos
Exposure Limits
Measurement Methods
Physical Description
Off-white to tan, waxy solid.
[insecticide] [Note: Found commercially as a granular ingredient (5-15%) or in an emulsifiable concentrate (400 g/l).]
Molecular Weight
303.4
Boiling Point
?
Melting Point
121°F
Solubility
0.03%
Vapor Pressure
0.00005 mmHg
Ionization Potential
?
Specific Gravity
1.14
Flash Point
?
Upper Explosive Limit
?
Lower Explosive Limit
?
Incompatibilities & Reactivities
None reported
[Note: May hydrolyze under alkaline conditions.]
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
nausea, vomiting, abdominal cramps, diarrhea, salivation; headache, dizziness, lassitude (weakness, exhaustion); rhinorrhea (discharge of thin nasal mucus), chest tightness; blurred vision, miosis; cardiac irreg; muscle fasciculation; dyspnea (breathing difficulty)
Target Organs
respiratory system, central nervous system, cardiovascular system, blood cholinesterase
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated/Daily
Remove:When wet or contaminated
Change:Daily
Provide:Quick drench
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated/Daily
Remove:When wet or contaminated
Change:Daily
Provide:Quick drench
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap flush immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Eye:Irrigate immediately
Skin:Soap flush immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
Not available.
See also
INTRODUCTION
ICSC CARD: 0483
Page last reviewed: October 30, 2019
Content
source: National Institute for Occupational Safety and Health