# NIOSH Pocket Guide to Chemical Hazards
2,6-Di-tert-butyl-p-cresol | CAS 128-37-0
[C(CH3)3]2CH3C6H2OH | RTECS GO7875000
Synonyms & Trade Names BHT; Butylated hydroxytoluene; Dibutylated hydroxytoluene; 4-Methyl-2,6-di-tert-butyl phenol | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 10 mg/m3
OSHA PEL†: none
IDLH N.D. | Conversion
Physical Description White to pale-yellow, crystalline solid with a slight, phenolic odor. [food preservative]
MW: 220.4 | BP: 509°F | MLT: 158°F | Sol: 0.00004%
VP: 0.01 mmHg | IP: ? |  | Sp.Gr: 1.05
Fl.P: 261°F | UEL: ? | LEL: ? |
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Incompatibilities & Reactivities Oxidizers
Measurement Methods NIOSH P&CAM226 (II-1)
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Fresh air Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin; in animals: decreased growth rate, increased liver weight
Target Organs Eyes, skin
See also: INTRODUCTION