1-tert-butyl 4-ethyl 3-hydroxy-1H-pyrazole-1,4-dicarboxylate
[CAS# 178424-17-4]

Identification

• Name: 1-tert-butyl 4-ethyl 3-hydroxy-1H-pyrazole-1,4-dicarboxylate
• Molecular Formula: C₁₁H₁₆N₂O₅
• Molecular Weight: 256.26
• CAS Registry Number: 178424-17-4
• EC Number: 965-384-2
• SMILES: CCOC(=O)C1=CN(NC1=O)C(=O)OC(C)(C)C

Properties

• Density: 1.3±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.530, Calc.^*
• Boiling Point: 350.1±45.0 ºC (760 mmHg), Calc.^*
• Flash Point: 165.5±28.7 ºC, Calc.^*

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

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H302-H315-H319-H335
• Precautionary Statements: P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P321-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501

Hazard Classification

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