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4-Methylmorpholine hydrochloride

Also known as: N-Methylmorpholine hydrochloride, N-Methylmorpholine HCl, 4-methylmorpholine hydrochloride, 4-methylmorpholine,hydrochloride, N-methylmorpholinium chloride

4-Methylmorpholine hydrochloride (CAS 3651-67-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H12ClNO and a molecular weight of 137.60800 g/mol. Key properties include a melting point of 203-211ºC, a boiling point of 114.1ºC at 760mmHg, a density of 0.931g/cm3 and a flash point of 23.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3651-67-0
Jingsj CID
J-27812-6
Molecular Formula
C5H12ClNO
Molecular Weight
137.60800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point203-211ºC
Boiling Point114.1ºC at 760mmHg
Density0.931g/cm3
Flash Point23.9ºC
Exact Mass137.06100
PSA12.47000
LogP0.68830

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-Methylmorpholine hydrochloride?

The CAS number of 4-Methylmorpholine hydrochloride is 3651-67-0.

What are the molecular formula and molecular weight of 4-Methylmorpholine hydrochloride?

4-Methylmorpholine hydrochloride has molecular formula C5H12ClNO and molecular weight 137.60800 g/mol.

What are the upstream and downstream products of 4-Methylmorpholine hydrochloride?

For 4-Methylmorpholine hydrochloride, Upstream Products: (1R,2S,5S)-3-((S)-2-(3-tert-butylureido)-3,3-dimethylbutanoyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylic acid, 3-Amino-4-cyclobutyl-2-oxobutanamide hydrochloride, 4-methylmorpholine; Downstream Products: 1-Methyl-4-phenylpiperazine, 1-Methylpiperazine, 4-Methylmorpholine borane.

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

Last updated:

How to cite: Jingsj. "4-Methylmorpholine hydrochloride (CAS 3651-67-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27812-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.