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  • 8.14286 - 4-tert-Butyltoluene

8.14286 EMD Millipore


4-tert-Butyltoluene for synthesis. CAS 98-51-1, chemical formula 4-(CH₃)C₆H₄C(CH₃)₃., for synthesis

Synonym: 1-tert-Butyl-4-methyl benzene

  • CAS Number 98-51-1

  • Linear Formula C₁₁H₁₆

  • Molecular Weight 148.24 g/mol

  •  EC Number 202-675-9



Related Categories Biochemicals and Reagents More...
packaging   100 ml in Glass bottle (8142860100)
bp   193 °C (1013 hPa)
expl. lim.     0.7 - 7 %(V)
vapor pressure   0.8 hPa (20 °C)
solubility   6 g/l
density   0.86 g/cm3 (20 °C)
flash point   63 °C
autoignition temp.   510 °C
mp   -62.5 °C
LD 50 oral   LD50 Rat 1555 mg/kg
LD 50 dermal   LD50 Rabbit 16934 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 96.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.860 - 0.862
  Identity (IR): passes test

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Safety Information

HS Code 
2902 90 00
Hazard Statement(s) 
H302 + H332: Harmful if swallowed or if inhaled
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H411: Toxic to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage class 
10 Combustible liquids not in Storage Class 3
WGK 2 water endangering
Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 2667 , 6.1, III
Declaration (transport by air) IATA-DGR 
UN 2667 , 6.1, III
Declaration (transport by sea) IMDG-Code 
UN 2667 , 6.1, III
Categories of danger 
harmful, irritant, dangerous for the environment
R Phrase 
R 20/22-36/37-51/53
Harmful by inhalation and if swallowed.Irritating to eyes and respiratory system.Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 26-37-45-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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