sec-butylamine

Also known as: (+/-)-1-METHYLPROPYLAMINE, (+/-)-2-BUTYLAMINE, (+/-)-ButylamineAminobutane, (RS)-S-BUTYLAMINE, 2-BUTYLAMINE, 2-Methylbutyramide, 2-aminobutane, 2-methyl-butyric acid amide, 2-propenamide homopolymer, Butanamide,2-methyl, Butyramide,2-methyl, EINECS 237-732-7, MFCD00008094, S-BUTYLAMINE, SBA, SEC-AMINOBUTANE, SEC-BUTYLAMINE, sec-butyl-amine, sec-butylamide, Butan-2-amine

sec-butylamine (CAS 33966-50-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H11N and a molecular weight of 73.13680 g/mol. Key properties include a melting point of -72ºC(lit.), a boiling point of 63ºC(lit.), a density of 0.724 g/mL at 25ºC(lit.) and a flash point of -19.4 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 33966-50-6
Jingsj CID: J-1157731-5
Molecular Formula: C₄H₁₁N
Molecular Weight: 73.13680 g/mol
Category: Organic Bases
Last updated: 11/2/2026

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Physicochemical Properties

Melting Point	-72ºC(lit.)
Boiling Point	63ºC(lit.)
Density	0.724 g/mL at 25ºC(lit.)
Flash Point	-19.4 °C
Exact Mass	73.08910
PSA	26.02000
LogP	1.44390
Refractive Index	n20/D 1.3928(lit.)
Storage Conditions	-20°C

Customs & Trade Information

HS Code	2921199090
Summary	2921199090 other acyclic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of sec-butylamine?

The CAS number of sec-butylamine is 33966-50-6.

What are the molecular formula and molecular weight of sec-butylamine?

sec-butylamine has molecular formula C4H11N and molecular weight 73.13680 g/mol.

What are the upstream and downstream products of sec-butylamine?

For sec-butylamine, Upstream Products: 2-butene, 2-Nitrobutane, L-Valine; Downstream Products: N-sec-Butyl-2-chloroacetamide, Butralin, Cyclohexanone.

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. "sec-butylamine (CAS 33966-50-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1157731-5 (accessed 2026-11-06).

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