NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

o-sec-Butylphenol

CAS
89-72-5

CH3CH2CH(CH3)C6H4OH

RTECS
SJ8920000
Synonyms & Trade Names

2-sec-Butylphenol, 2-(1-Methylpropyl)phenol
DOT ID & Guide

Exposure
Limits

NIOSH REL: TWA 5 ppm (30 mg/m3) [skin]
OSHA PEL: none
IDLH
N.D. See: IDLH INDEX
Conversion
1 ppm = 6.14 mg/m3
Physical Description
Colorless liquid or solid (below 61°F).
MW: 150.2
BP: 227°F
FRZ: 61°F
Sol: Insoluble
VP: Low
IP: ?

Sp.Gr: 0.89
Fl.P: 225°F
UEL: ?
LEL: ?

Class IIB Combustible Liquid Combustible Solid
Incompatibilities & Reactivities

None reported
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
Not available.
Important additional information about respirator selection
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Irritation eyes, skin, respiratory system; skin burns
Target Organs
Eyes, skin, respiratory system
See also: INTRODUCTION