1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalene
[CAS# 6683-46-1]

Identification

• Classification: Organic raw materials >> Aryl compounds >> Naphthalenes
• Name: 1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalene
• Synonyms: 1,1,4,4-Tetramethyltetralin; 1,2,3,4-Tetrahydro-1,1,4,4-tetramethylnaphthalene; NSC 17400
• Molecular Formula: C₁₄H₂₀
• Molecular Weight: 188.31
• CAS Registry Number: 6683-46-1
• EC Number: 229-723-1

Properties

• Solubility: Insoluble (1.88E^-4 g/L) (25 °C), Calc.^*
• Density: 0.883±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 115-120 °C^**
• Boiling point: 248 °C^***
• Refractive index: 1.5278 (589.3 nm 27 °C)^***
• Flash point: 101.2±7.1 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Ledneczki, Istvan

^*** Bruson, Herman A.

Safety Data

• Hazard Symbols: Xn
• Risk Statements: R20/21;R36/37/38
• Safety Statements: S23;S26;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312
Eye irritation	Eye Irrit.	2	H319
Eye irritation	Eye Irrit.	2A	H319
Acute toxicity	Acute Tox.	4	H302