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2,6-Di-tert-butyl-p-cresol

Synonyms & Trade Names
BHT; Butylated hydroxytoluene; Dibutylated hydroxytoluene; 4-Methyl-2,6-di-tert-butyl phenol
CAS No.
128-37-0
RTECS No.
GO7875000
DOT ID & Guide
Formula
[C(CH3)3]2CH3C6H2OH
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 10 mg/m3
OSHA PEL
†: none
Measurement Methods

NIOSH P&CAM226 (II-1);
OSHA PV2108
See: NMAM or OSHA Methods
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
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
Personal Protection/Sanitation
(See protection codes)
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

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0841
 

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