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Diethyl phthalate

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Synonyms & Trade Names
DEP, Diethyl ester of phthalic acid, Ethyl phthalate
CAS No.
84-66-2
RTECS No.
TI1050000
DOT ID & Guide
Formula
C₆H₄(COOC₂H₅)₂
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 5 mg/m3
OSHA PEL
none See Appendix G
Measurement Methods
OSHA 104
See: NMAM or OSHA Methods
Physical Description
Colorless to water-white, oily liquid with a very slight, aromatic odor. [pesticide]
Molecular Weight
222.3
Boiling Point
563°F
Freezing Point
-41°F
Solubility
(77°F): 0.1%
Vapor Pressure
(77°F): 0.002 mmHg
Ionization Potential
?
Specific Gravity
1.12
Flash Point
(oc) 322°F
Upper Explosive Limit
?
Lower Explosive Limit
(368°F): 0.7%
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.; however, ignition is difficult.
Incompatibilities & Reactivities
Strong oxidizers, strong acids, nitric acid, permanganates, water
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, nose, throat; headache, dizziness, nausea; lacrimation (discharge of tears); possible polyneuropathy, vestibular dysfunc; pain, numb, lassitude (weakness, exhaustion), spasms in arms & legs; In Animals: reproductive effects
Target Organs
Eyes, skin, respiratory system, central nervous system, peripheral nervous system, reproductive system
Personal Protection/Sanitation
(See protection codes)
Skin:No recommendation
Eyes:No recommendation
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Wash regularly
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0258
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health