5-Amino-3-methylisoxazole
[CAS# 14678-02-5]

Identification

• Name: 5-Amino-3-methylisoxazole
• Synonyms: NSC 93421; 3-Methyl-5-aminoisoxazole; 3-Methyl-5-isoxazolamine; 3-Methyl-5-isoxazolylamine; 5-Amino-3-methyl-1,2-oxazole
• Molecular Formula: C₄H₆N₂O
• Molecular Weight: 98.10
• CAS Registry Number: 14678-02-5
• EC Number: 238-719-9

Properties

• Solubility: Sparingly soluble (26 g/L) (25 ºC), Calc.^*
• Density: 1.167±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 84-85 ºC^**
• Boiling point: 231.3±20.0 ºC (760 Torr), Calc.^*
• Flash point: 93.7±21.8 ºC, Calc.^*

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

^** Shaw, G.; Journal of the Chemical Society 1954, P665-8.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S37/39

Hazard Classification

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