Naphtho[2,3-b]naphtho[2',3':4,5]thieno[2,3-d]thiophene
[CAS# 935280-42-5]

Identification

• Name: Naphtho[2,3-b]naphtho[2',3':4,5]thieno[2,3-d]thiophene
• Synonyms: Dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene; Dinaphtho[2,3-b:2',3'-f]thiopheno[3,2-b]thiophene
• Molecular Formula: C₂₂H₁₂S₂
• Molecular Weight: 340.46
• CAS Registry Number: 935280-42-5
• EC Number: 804-585-0

Properties

• Density: 1.424±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: >300 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

^** Yamamoto, Tatsuya

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2	H319