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  • 8.01987 - 4-tert-Butylpyrocatechol

8.01987 EMD Millipore


4-tert-Butylpyrocatechol for synthesis. CAS 98-29-3, chemical formula 4-(CH₃)₃CC₆H₃-1,2-(OH)₂., for synthesis

  • CAS Number 98-29-3

  • Linear Formula C₁₀H₁₄O₂

  • Molecular Weight 166.22 g/mol

  •  EC Number 202-653-9



Related Categories Biochemicals and Reagents More...
packaging   25 kg in Fibre carton (8019879025)
  5 g in Glass bottle (8019870005)
bp   284 - 286 °C (1013 hPa)
vapor pressure   <1 hPa (25 °C)
solubility   2 g/l
density   1.05 g/cm3 (60 °C)
flash point   130 °C
autoignition temp.   160 °C
mp   52 - 55 °C
viscosity kinematic   100 mm2/s (57 °C)
bulk density   650 - 700 kg/m3
LD 50 oral   LD50 Rat 815 mg/kg
LD 50 dermal   LD50 Rat 1331 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 98.0 % (a/a)
  Melting range (lower value): ≥ 52 °C
  Melting range (upper value): ≤ 57 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2907 29 00
Hazard Statement(s) 
H302 + H312: Harmful if swallowed or in contact with skin
H314: Causes severe skin burns and eye damage.
H317: May cause an allergic skin reaction.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK 3 highly water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Corrosive  Corrosive
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Declaration (railroad and road) ADR, RID 
UN 2923 , 8 (6.1), III
Declaration (transport by air) IATA-DGR 
UN 2923 , 8 (6.1), III
Declaration (transport by sea) IMDG-Code 
UN 2923 , 8 (6.1), III
Categories of danger 
harmful, corrosive, dangerous for the environment
R Phrase 
R 21/22-34-50/53
Harmful in contact with skin and if swallowed.Causes burns.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 22-26-36/37/39-45-61
Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.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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