3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine

3-乙基-1,4-二甲基-1H-吡唑-5-胺

Also known as: 1H-Pyrazol-5-amine, 3-ethyl-1,4-dimethyl-, 5-ETHYL-2,4-DIMETHYL-2H-PYRAZOL-3-YLAMINE, 5-ethyl-2,4-dimethylpyrazol-3-amine, CHEMBRDG-BB 4010194, ASINEX-REAG BAS 01856176, UKRORGSYN-BB BBV-5114514, 3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine(SALTDATA: FREE)

3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine (CAS 21018-62-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H13N3 and a molecular weight of 139.19800 g/mol. It is also known as 1H-Pyrazol-5-amine, 3-ethyl-1,4-dimethyl-, 5-ETHYL-2,4-DIMETHYL-2H-PYRAZOL-3-YLAMINE and 5-ethyl-2,4-dimethylpyrazol-3-amine. Key properties include a boiling point of 268.1ºC at 760 mmHg, a density of 1.1g/cm3 and a flash point of 116ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21018-62-2
Jingsj CID
J-1484927-5
Molecular Formula
C7H13N3
Chinese Name
3-乙基-1,4-二甲基-1H-吡唑-5-胺
Molecular Weight
139.19800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point268.1ºC at 760 mmHg
Density1.1g/cm3
Flash Point116ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine?

The CAS number of 3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine is 21018-62-2.

What are the molecular formula and molecular weight of 3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine?

3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine has molecular formula C7H13N3 and molecular weight 139.19800 g/mol.

Is 3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine hazardous?

3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine 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. "3-ethyl-1,4-dimethyl-1H-pyrazol-5-amine (CAS 21018-62-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1484927-5 (accessed 2026-10-25).

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