4-tert-Butylcatechol
[CAS# 98-29-3]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyrimidine compound >> Aminopyrimidine
• Name: 4-tert-Butylcatechol
• Synonyms: 4-(1,1-Dimethylethyl)-1,2-benzenediol; 4-tert-Butylpyrocatechol; PTBC; TBC
• Molecular Formula: C₁₀H₁₄O₂
• Molecular Weight: 166.22
• CAS Registry Number: 98-29-3
• EC Number: 202-653-9

Properties

• Density: 1.049
• Melting point: 53-56 °C
• Boiling point: 285 °C
• Flash point: 129 °C
• Water solubility: 0.2 g/100 mL (25 °C)

Safety Data

• Hazard Symbols: C
• Risk Statements: R21;R34;R43
• Safety Statements: S24;S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Skin sensitization	Skin Sens.	1	H317
Serious eye damage	Eye Dam.	1	H318
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Skin sensitization	Skin Sens.	1A	H317
Acute toxicity	Acute Tox.	3	H311
Skin corrosion	Skin Corr.	1	H314
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Carcinogenicity	Carc.	2	H351
Acute toxicity	Acute Tox.	4	H332
Reproductive toxicity	Repr.	2	H361
Skin corrosion	Skin Corr.	1C	H314
Specific target organ toxicity - single exposure	STOT SE	3	H335

• Transport Information: UN 2923