5-Amino-4-bromo-3-methylisoxazole

4-溴-3-甲基异噁唑-5-胺

Also known as: 4-Bromo-3-methylisoxazol-5-amine, 4-Bromo-3-methyl-1,2-oxazol-5-amine, 4-Bromo-3-methyl-5-isoxazolamine, 4-bromo-3-methyl-5-aminoisoxazole, 5-Amino-4-bromo-3-methylisoxazole, 4-bromo-3-methyl-5-amino-isoxazole, 4-bromo-3-methylisoxazole-5-ylamine, 5-Isoxazolamine, 4-bromo-3-methyl-

5-Amino-4-bromo-3-methylisoxazole (CAS 33084-49-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H5BrN2O and a molecular weight of 176.99900 g/mol. It is also known as 4-Bromo-3-methylisoxazol-5-amine, 4-Bromo-3-methyl-1,2-oxazol-5-amine and 4-Bromo-3-methyl-5-isoxazolamine. Key properties include a melting point of 66-71°C, a boiling point of 273.538ºC at 760 mmHg, a density of 1.767 g/cm3 and a flash point of 119.232ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33084-49-0
Jingsj CID
J-1041774-4
Molecular Formula
C4H5BrN2O
Chinese Name
4-溴-3-甲基异噁唑-5-胺
Molecular Weight
176.99900 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point66-71°C
Boiling Point273.538ºC at 760 mmHg
Density1.767 g/cm3
Flash Point119.232ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 5-Amino-4-bromo-3-methylisoxazole?

The CAS number of 5-Amino-4-bromo-3-methylisoxazole is 33084-49-0.

What are the molecular formula and molecular weight of 5-Amino-4-bromo-3-methylisoxazole?

5-Amino-4-bromo-3-methylisoxazole has molecular formula C4H5BrN2O and molecular weight 176.99900 g/mol.

Is 5-Amino-4-bromo-3-methylisoxazole hazardous?

5-Amino-4-bromo-3-methylisoxazole has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-Amino-4-bromo-3-methylisoxazole (CAS 33084-49-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1041774-4 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.