5-Chloro-1-methyl-1H-pyrazole-4-carbaldehyde
[CAS# 117007-77-9]

Identification

• Name: 5-Chloro-1-methyl-1H-pyrazole-4-carbaldehyde
• Molecular Formula: C₅H₅ClN₂O
• Molecular Weight: 144.56
• CAS Registry Number: 117007-77-9
• EC Number: 830-788-9
• SMILES: CN1C(=C(C=N1)C=O)Cl

Properties

• Solubility: 1.195e+004 mg/L (25 ºC water)
• Density: 1.4±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.584, Calc.^*
• Melting point: 42.20 ºC
• Boiling Point: 226.13 ºC, 241.5±20.0 ºC (760 mmHg), Calc.^*
• Flash Point: 99.8±21.8 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H315-H319-H335
• Precautionary Statements: P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P403+P233-P405-P501

Hazard Classification

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