Butylated HydroxytolueneCAS#128-37-0

Boiling point 

265 °C(lit.)

density 

1.048

bulk density

450kg/m3

vapor density 

7.6 (vs air)

vapor pressure 

<0.01 mm Hg ( 20 °C)

refractive index 

1.4859

FEMA 

2184 | BUTYLATED HYDROXYTOLUENE

Fp 

127 °C

storage temp. 

2-8°C

solubility 

methanol: 0.1 g/mL, clear, colorless

form 

Crystals

pka

pKa 14(H2O t = 25 c = 0.002 to 0.01) (Uncertain)

color 

white

Odor

faint characteristic odor

biological source

synthetic

Odor Type

phenolic

Water Solubility 

insoluble

Merck 

14,1548

BRN 

1911640

Exposure limits

ACGIH: TWA 2 mg/m3
NIOSH: TWA 10 mg/m3

Stability:

Stable, but light-sensitive. Incompatible with acid chlorides, acid anhydrides, brass, copper, copper alloys, steel, bases, oxidizing agents. Combustible.

Cosmetics Ingredients Functions

ANTIOXIDANT
FRAGRANCE

InChIKey

NLZUEZXRPGMBCV-UHFFFAOYSA-N

LogP

5.2

CAS DataBase Reference

128-37-0(CAS DataBase Reference)

NIST Chemistry Reference

Butylated hydroxytoluene(128-37-0)

IARC

3 (Vol. 40, Sup 7) 1987

EPA Substance Registry System

2,6-Di-tert-butyl-p-cresol (128-37-0)

Safety Information

Risk Statements 

22-36/37/38-36/38-50/53

Safety Statements 

26-36-37/39-61-60

RIDADR 

3077

OEB

B

OEL

TWA: 10 mg/m3

WGK Germany 

1

RTECS 

GO7875000

F 

8-10-23

Autoignition Temperature

878 °F

TSCA 

Yes

HazardClass 

9

PackingGroup 

III

HS Code 

29071900

Hazardous Substances Data

128-37-0(Hazardous Substances Data)

Toxicity

LD50 orally in mice: 1040 mg/kg (McOmie)