Thonzylamine

Also known as: Neohetramine, NCI-C-60708, N,N-Dimethyl-N'-(4-methoxybenzyl)-N'-(2-pyrimidinyl)-1,2-ethanediamine, N-[(4-Methoxyphenyl)methyl]-N',N'-dimethyl-N-(2-pyrimidinyl)-1,2-ethanediamine, N-[2-(Dimethylamino)ethyl]-N-(4-methoxybenzyl)pyrimidin-2-amine, N1-(4-Methoxybenzyl)-N2,N2-dimethyl-N1-(pyrimidin-2-yl)ethane-1,2-diamine, N'-[(4-methoxyphenyl)methyl]-N,N-dimethyl-N'-pyrimidin-2-ylethane-1,2-diamine, 2-((2-(Dimethylamino)ethyl)(p-methoxybenzyl)amino)pyrimidine

Thonzylamine (CAS 91-85-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H22N4O and a molecular weight of 286.37200 g/mol. Key properties include a boiling point of 440.6ºC at 760 mmHg, a density of 1.121g/cm3 and a flash point of 220.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 91-85-0
Jingsj CID: J-1957005-9
Molecular Formula: C₁₆H₂₂N₄O
Molecular Weight: 286.37200 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	440.6ºC at 760 mmHg
Density	1.121g/cm3
Flash Point	220.3ºC
Exact Mass	286.17900
PSA	41.49000
LogP	2.05340
Refractive Index	1.584

Activity & Biological Data

Target	H1 Receptor
Additional Information	[1]. Zhou S, et, al. Design, synthesis and biological activity of a novel ethylenediamine derivatives as H 1 receptor antagonists. Bioorg Med Chem. 2019 Dec 15; 27(24): 115127. [2]. AARON TH, et, al. Neohetramine and thephorin; two new antihistaminic drugs. Can Med Assoc J. 1948 Nov; 59(5): 438-41.

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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 Thonzylamine?

The CAS number of Thonzylamine is 91-85-0.

What are the molecular formula and molecular weight of Thonzylamine?

Thonzylamine has molecular formula C16H22N4O and molecular weight 286.37200 g/mol.

What are the upstream and downstream products of Thonzylamine?

For Thonzylamine, Upstream Products: 4-Methoxybenzylamine, N-[(4-methoxyphenyl)methyl]pyrimidin-2-amine, 2-Chloro-N,N-dimethylethanamine; Downstream Products: Benzene,1,1'-methylenebis[4-methoxy-.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Thonzylamine (CAS 91-85-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1957005-9 (accessed 2026-11-09).

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