Didodecyldimethylammonium bromide

Also known as: DDAB, Di-n-dodecyldimethylammonium bromide, Dimethyldidodecylammonium bromide, N-Dodecyl-N,N-dimethyldodecan-1-aminium bromide, Dilauryldimethylammonium bromide, Didodecyldimethylammonium bromide (DDAB), 1-Dodecanaminium, N-dodecyl-N,N-dimethyl-, bromide, Ammonium, didodecyldimethyl-, bromide

Didodecyldimethylammonium bromide (CAS 3282-73-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C26H56BrN and a molecular weight of 462.634 g/mol. Key property: a melting point of 157-162 °C(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3282-73-3
Jingsj CID: J-8105-4
Molecular Formula: C₂₆H₅₆BrN
Molecular Weight: 462.634 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	157-162 °C(lit.)
Exact Mass	461.359619
LogP	5.90860
Additional Property	ethanol: 0.1 g/mL, clear, colorless

Customs & Trade Information

HS Code	2923900090
Summary	2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Didodecyldimethylammonium bromide?

The CAS number of Didodecyldimethylammonium bromide is 3282-73-3.

What are the molecular formula and molecular weight of Didodecyldimethylammonium bromide?

Didodecyldimethylammonium bromide has molecular formula C26H56BrN and molecular weight 462.634 g/mol.

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. "Didodecyldimethylammonium bromide (CAS 3282-73-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8105-4 (accessed 2026-11-07).

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