1-Bromo-3,5,7-trimethyladamantane

Also known as: 1-Bromo-3,5,7-trimethyltricyclo[3.3.1.1~3,7~]decane, Tricyclo[3.3.1.13,7]decane, 1-bromo-3,5,7-trimethyl-, NSC 251758, Memantine Impurity 3, Adamantane Impurity 1 (1-Bromo-3,5,7-Trimethyl Adamantane), 3,5,7-trimethyl-1-bromoadamantane, (3s,5s,7s)-1-bromo-3,5,7-trimethyladamantane

1-Bromo-3,5,7-trimethyladamantane (CAS 53398-55-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H21Br and a molecular weight of 257.21000 g/mol. Key properties include a melting point of 101ºC, a boiling point of 254.2ºC at 760mmHg, a density of 1.333g/cm3 and a flash point of 118.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 53398-55-3
Jingsj CID: J-1140855-2
Molecular Formula: C₁₃H₂₁Br
Molecular Weight: 257.21000 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	101ºC
Boiling Point	254.2ºC at 760mmHg
Density	1.333g/cm3
Flash Point	118.9ºC
Exact Mass	256.08300
LogP	4.52040
Refractive Index	1.575

Customs & Trade Information

HS Code	2903890090
Summary	2903890090. halogenated derivatives of cyclanic, cyclenic or cyclotherpenic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Bromo-3,5,7-trimethyladamantane?

The CAS number of 1-Bromo-3,5,7-trimethyladamantane is 53398-55-3.

What are the molecular formula and molecular weight of 1-Bromo-3,5,7-trimethyladamantane?

1-Bromo-3,5,7-trimethyladamantane has molecular formula C13H21Br and molecular weight 257.21000 g/mol.

What are the upstream and downstream products of 1-Bromo-3,5,7-trimethyladamantane?

For 1-Bromo-3,5,7-trimethyladamantane, Upstream Products: Methylmagnesium bromide, 1,3,5-Trimethyladamantane, 1-Bromoadamantane; Downstream Products: 1,3,5-Trimethyladamantane, 3,5,7-Trimethyladamantane-1-carboxylic acid.

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. "1-Bromo-3,5,7-trimethyladamantane (CAS 53398-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1140855-2 (accessed 2026-11-09).

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