4-Hydroxy-3-methylpiperidine

Also known as: 3-Methylpiperidin-4-ol, 3-Methyl-4-hydroxypiperidine, 3-methyl-4-Piperidinol, 4-Piperidinol, 3-methyl-, 3-methyl-4-piperidinol

4-Hydroxy-3-methylpiperidine (CAS 33557-57-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H13NO and a molecular weight of 115.17600 g/mol. Key properties include a boiling point of 191.7ºC at 760 mmHg, a density of 0.964g/cm3 and a flash point of 86.3ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 33557-57-2
Jingsj CID: J-1408583-7
Molecular Formula: C₆H₁₃NO
Molecular Weight: 115.17600 g/mol
Category: Pharma Intermediates
Last updated: 11/2/2026

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Physicochemical Properties

Boiling Point	191.7ºC at 760 mmHg
Density	0.964g/cm3
Flash Point	86.3ºC
Exact Mass	151.07600
PSA	32.26000
LogP	1.10750
Refractive Index	1.459
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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-Hydroxy-3-methylpiperidine?

The CAS number of 4-Hydroxy-3-methylpiperidine is 33557-57-2.

What are the molecular formula and molecular weight of 4-Hydroxy-3-methylpiperidine?

4-Hydroxy-3-methylpiperidine has molecular formula C6H13NO and molecular weight 115.17600 g/mol.

What are the upstream and downstream products of 4-Hydroxy-3-methylpiperidine?

For 4-Hydroxy-3-methylpiperidine, Upstream Products: 1-Benzyl-3-methyl-4-piperidinol, tert-butyl 4-hydroxy-3-methylpiperidine-1-carboxylate, tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate; Downstream Products: tert-butyl 4-hydroxy-3-methylpiperidine-1-carboxylate.

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

Last updated: 11/2/2026

How to cite: Jingsj. "4-Hydroxy-3-methylpiperidine (CAS 33557-57-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1408583-7 (accessed 2026-11-09).

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