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Hexylene glycol

Synonyms & Trade Names
2,4-Dihydroxy-2-methylpentane, 2-Methyl-2,4-pentanediol, 4-Methyl-2,4-pentanediol, 2-Methylpentane-2,4-diol
CAS No.
107-41-5
RTECS No.
DOT ID & Guide
Formula
(CH₃)₂COHCH₂CHOHCH₃
Conversion
1 ppm = 4.83 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
C 25 ppm (125 mg/m3)
OSHA PEL
none See Appendix G
Measurement Methods
OSHA PV2101
See: NMAM or OSHA Methods
Physical Description
Colorless liquid with a mild, sweetish odor.
Molecular Weight
118.2
Boiling Point
388°F
Freezing Point
-58°F (Sets to glass)
Solubility
Miscible
Vapor Pressure
0.05 mmHg
Ionization Potential
?
Specific Gravity
0.92
Flash Point
209°F
Upper Explosive Limit
(est): 7.4%
Lower Explosive Limit
(calc): 1.3%
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Incompatibilities & Reactivities
Strong oxidizers, strong acids [Note: Hygroscopic (i.e., absorbs moisture from the air).]
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, respiratory system; headache, dizziness, nausea, incoordination, central nervous system depression; dermatitis, skin sensitization
Target Organs
Eyes, skin, respiratory system, central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:No recommendation
Provide:Eyewash
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Water wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
See also
INTRODUCTION   ICSC CARD: 0660
Page last reviewed: October 30, 2019