1-Methyl-1H-pyrazole-3-carboxaldehyde
[CAS# 27258-32-8]

Identification

• Name: 1-Methyl-1H-pyrazole-3-carboxaldehyde
• Synonyms: 1-Methyl-3-pyrazolecarboxaldehyde
• Molecular Formula: C₅H₆N₂O
• Molecular Weight: 110.11
• CAS Registry Number: 27258-32-8
• EC Number: 690-670-6

Properties

• Solubility: Slightly soluble (9.2 g/L) (25 °C), Calc.^*
• Density: 1.14±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Boiling point: 218.9±13.0 °C (760 Torr), Calc.^*
• Flash point: 86.2±19.8 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

Safety Data

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	H302
Eye irritation	Eye Irrit.	2A	H319
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312