5-Oxazolecarboxaldehyde
[CAS# 118994-86-8]

Identification

• Name: 5-Oxazolecarboxaldehyde
• Synonyms: 5-Formyloxazole
• Molecular Formula: C₄H₃NO₂
• Molecular Weight: 97.07
• CAS Registry Number: 118994-86-8
• EC Number: 880-126-8

Properties

• Solubility: Freely soluble (184 g/L) (25 ºC), Calc.^*
• Density: 1.258±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 30-32 ºC^**
• Boiling point: 184.7±13.0 ºC (760 Torr), Calc.^*
• Flash point: 65.5±19.8 ºC, Calc.^*

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

^** Bull, James A.; Chemistry - A European Journal 2007, V13(19), P5515-5538, S5515/1-S5515/32.

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R22;R36;R43
• Safety Description: S26;S36/37

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin sensitization	Skin Sens.	1	H317
Eye irritation	Eye Irrit.	2A	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302