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2,6-Di-tert-butyl-p-cresol																				Related Pages
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 RELTWA 10 mg/m3OSHA PEL none See Appendix G
	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]													
										
Molecular Weight220.4	
	Boiling Point509°F
	Melting Point158°F
	Solubility0.00004%
	Vapor Pressure0.01 mmHg
	Ionization Potential?											
Specific Gravity1.05	
	Flash Point261°F
	Upper Explosive Limit?
	Lower Explosive Limit?
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
					  ICSC CARD: 0841

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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