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98-51-1

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Identification

Name
4-tert-Butyltoluene
CAS
98-51-1
Synonyms
1-METHYL-4-TERT-BUTYLBENZENE
1-TERT-BUTYL-4-METHYL BENZENE
4-TERT-BUTYLTOLUENE
p-Methyl-tert-butylbenzene
P-T-BUTYLTOLUENE
P-TERT-BUTYLTOLUENE
tbt
TERT-BUTYL TOLUENE
1-(1,1-dimethylethyl)-4-methyl-benzen
1-(1,1-dimethylethyl)-4-methylbenzene
1-(1,1-Dimethylethyl)-4-methyl-benzene
1-methyl-4-(1,1-dimethylethyl)-benzen
1-methyl-4-(1,1-dimethylethyl)benzene
1-methyl-4-tert-butylbenzene[qr]
1-tert-butyl-4-methylbenzene[qr]
4-(2-methyl-2--propyl)1-methyl-butylbenzene
4-Methyl-tert-butylbenzene
4-methyl-tert-butylbenzene[qr]
4-t-Butyltoluene
4-tert-Butyl-1-Methylbenzene
EINECS(EC#)
202-675-9
Molecular Formula
C11H16
MDL Number
MFCD00008837
Molecular Weight
148.24
MOL File
98-51-1.mol

Chemical Properties

Appearance
colourless liquid
mp 
-54 °C
bp 
191 °C(lit.)

density 
0.858 g/mL at 25 °C(lit.)

refractive index 
n20/D 1.492(lit.)

Fp 
150 °F

storage temp. 
Flammables area
solubility 
0.06 g/100 mL (20°C)
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
Water Solubility 
0.06 g/100 mL (20 ºC)
BRN 
2038670
Uses
Solvent, intermediate.
CAS DataBase Reference
98-51-1(CAS DataBase Reference)
NIST Chemistry Reference
4-Tert-butyltoluene(98-51-1)
EPA Substance Registry System
98-51-1(EPA Substance)

Safety Data

Hazard Codes 
Xn,T,N
Risk Statements 
R10:Flammable.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R23:Toxic by inhalation.
R22:Harmful if swallowed.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR 
UN 1993 3/PG 3

WGK Germany 
2

RTECS 
XS8400000

HazardClass 
6.1
PackingGroup 
III
HS Code 
29029080
Safety Profile
Moderately toxic by inhalation and ingestion. A skin and human eye irritant. Human systemic effects by inhalation: nausea or vomiting, conjunctiva irritation, unspecified effects on the sense of taste. Inhalation of vapors causes irritation of lungs and depression of central nervous system. Prolonged exposure may result in damage to liver and kidneys. Flammable when exposed to heat or flame. Incompatible with oxidizing materials. When heated to decomposition it emits acrid smoke and fumes.
Hazardous Substances Data
98-51-1(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

General Description
Clear colorless liquid with an aromatic gasoline-like odor.
Reactivity Profile
P-TERT-BUTYLTOLUENE(98-51-1) may react with oxidizing materials.
Air & Water Reactions
Flammable. Insoluble in water.
Hazard
Toxic by inhalation, ingestion, and skin absorption. Eye and upper respiratory tract irritant.
Fire Hazard
This chemical is combustible.

Material Safety Data Sheet(MSDS)

Spectrum Detail

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