3,3',5,5'-Tetraisopropyldiphenoquinone
[CAS# 2178-51-0]

Identification

• Name: 3,3',5,5'-Tetraisopropyldiphenoquinone
• Synonyms: 4-[4-oxo-3,5-di(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]-2,6-di(propan-2-yl)cyclohexa-2,5-dien-1-one
• Molecular Formula: C₂₄H₃₂O₂
• Molecular Weight: 352.51
• CAS Registry Number: 2178-51-0
• EC Number: 670-239-9
• SMILES: CC(C)C1=CC(=C2C=C(C(=O)C(=C2)C(C)C)C(C)C)C=C(C1=O)C(C)C

Properties

• Solubility: 0.003168 mg/L (25 ºC water)
• Density: 1.0±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.538, Calc.^*
• Melting point: 166.34 ºC
• Boiling Point: 437.01 ºC, 461.2±45.0 ºC (760 mmHg), Calc.^*
• Flash Point: 171.6±25.7 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07;GHS09 Warning
• Hazard Statements: H302-H312-H315-H319-H335-H410
• Precautionary Statements: P261-P264-P264+P265-P270-P271-P273-P280-P301+P317-P302+P352-P304+P340-P305+P351+P338-P317-P319-P321-P330-P332+P317-P337+P317-P362+P364-P391-P403+P233-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	4	H312
Skin irritation	Skin Irrit.	2	H315