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LC1063 4-tert-Butylpyrocatechol
for synthesis


Order number Packaging Quantity Price €
AC28063 Glass bottle 5 g 10.89
AC28063 Glass bottle 250 g 24.3
AC28063 Glass bottle 1 kg 72.9


Product information
Hill Formula C10H14O2
Chemical formula 4-[(CH3)3C]C6H3-1,2-(OH)2
HS Code 2907 29 00
EC number 202-653-9
Molar mass 166.22 g/mol
CAS number 98-29-3


Chemical and physical data
Ignition temperature 160 °C
Solubility 2 g/l (20 °C)
Melting point 52 – 55 °C
Molar mass 166.22 g/mol
Density 1.05 g/cm3 (60 °C)
Bulk density 650 – 700 kg/m3
Boiling point 284 – 286 °C (1013 hPa)
Vapor pressure < - 1 hPa (25 °C)
Flash point 129 °C
Viscosity kinematic 100 mm2/s (57 °C)


Safety information according to GHS
Hazard Statement(s) H302 + H312: Harmful if swallowed or in contact with skin.
H314: Causes severe skin burns and eye damage.
H411: 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.
Signal Word Danger
Hazard Pictogram(s)

Storage class 8 A Combustible substances, corrosive
WGK WGK 2 water endangering
Disposal 3
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


Safety information
R Phrase R 21/22-34-51/53
Harmful in contact with skin and if swallowed.Causes burns.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.
Categories of danger harmful, corrosive, dangerous for the environment
Hazard Symbol

Dangerous for the environment


Transport information
Declaration (transport by sea) IMDG-Code UN 2923 CORROSIVE SOLID, TOXIC, N.O.S.(4-TERT-BUTYLPYROCATECHOL), 8 (6.1), III, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 2923 CORROSIVE SOLID, TOXIC, N.O.S.(4-TERT-BUTYLPYROCATECHOL), 8 (6.1), III


Toxicological data
LD 50 oral LD50 rat 815 mg/kg
LD 50 dermal LD50 rat 1331 mg/kg


Assay (GC, area%) ≥ 98 %
Melting range
– lower value
≥ 52 °C
– upper value ≤ 55 °C
Identity (IR) passes test


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