2-Chloro-3-thiophenealdehyde
[CAS# 14345-98-3]

Identification

• Name: 2-Chloro-3-thiophenealdehyde
• Synonyms: 2-Chloro-3-formylthiophene; 2-Chloro-3-thiophenecarboxaldehyde
• Molecular Formula: C₅H₃ClOS
• Molecular Weight: 146.60
• CAS Registry Number: 14345-98-3
• EC Number: 871-236-7

Properties

• Solubility: Very slightly soluble (0.34 g/L) (25 ºC), Calc.^*
• Density: 1.429±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 65 ºC^**
• Boiling point: 88-90 ºC (10 Torr)^***
• Flash point: 79.4±21.8 ºC, Calc.^*

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

^** Crast, Leonard B., Jr.; US 3290291 1966.

^*** Gronowitz, Salo; Journal of Heterocyclic Chemistry 1976, V13(5), P1099-100.

Safety Data

Hazard Classification

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