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Amines & Anilines

Octadecyltrimethylammonium bromide

Available on request

Buy Octadecyltrimethylammonium bromide (CAS 1120-02-1) from Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Octadecyltrimethylammonium bromide chemical structure
CAS number1120-02-1
FormulaC21H46BrN
Molar mass392.5 g/mol
InChIKeySZEMGTQCPRNXEG-UHFFFAOYSA-M
IUPAC nametrimethyl(octadecyl)azanium bromide

About Octadecyltrimethylammonium bromide

Researchers and plant chemists source Octadecyltrimethylammonium bromide from Zemixal for routine and specialised work. Identity at a glance: CAS 1120-02-1, formula C21H46BrN and molar mass 392.5 g/mol.

Where it is used

  • Organic synthesis
  • API synthesis

Safe handling

Hazard communication follows GHS (Danger: H302, H315, H317 and H318). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 25 g, 100 g and 500 g, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Specifications and identifiers

Specifications of Octadecyltrimethylammonium bromide
Product nameOctadecyltrimethylammonium bromide
Catalogue numberZX-018762
CAS number1120-02-1
IUPAC nametrimethyl(octadecyl)azanium bromide
Molecular formulaC21H46BrN
Molar mass392.5 g/mol
Exact mass391.2814
H-bond donors / acceptors0 / 1
Topological polar surface area0 Ų
InChIKeySZEMGTQCPRNXEG-UHFFFAOYSA-M
SMILESCCCCCCCCCCCCCCCCCC[N+](C)(C)C.[Br-]
PubChem CID70708
SynonymsTrimethylstearylammonium Bromide, Steartrimonium Bromide, ODTEA Br cpd, Trimethyloctadecylammonium bromide, N,N,N-Trimethyloctadecan-1-aminium bromide, Stearyltrimethylammonium Bromide, Octadecy trimethyl ammonium bromide, 1-Octadecanaminium, N,N,N-trimethyl-, bromide, Trimethyl-1-octylammonium bromide, Stearyltrimethylammonium bromide (STAB), Trimethyloctadecylammonium (bromide), 1-Octadecanaminium, N,N,N-trimethyl-, bromide (1:1)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P272, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Octadecyltrimethylammonium bromide
25 gQuoted on request
100 gQuoted on request
500 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Octadecyltrimethylammonium bromide

Which CAS number identifies Octadecyltrimethylammonium bromide?
Octadecyltrimethylammonium bromide is registered under CAS 1120-02-1. You may also see it listed as Trimethylstearylammonium Bromide, Steartrimonium Bromide, ODTEA Br cpd. Our catalogue number for this item is ZX-018762.
What are the formula and molar mass of Octadecyltrimethylammonium bromide?
For Octadecyltrimethylammonium bromide, its formula is C21H46BrN and its molar mass is 392.5 g/mol. The systematic (IUPAC) name is trimethyl(octadecyl)azanium bromide. InChIKey SZEMGTQCPRNXEG-UHFFFAOYSA-M lets you match it in any structure database.
What grade and pack sizes are available for Octadecyltrimethylammonium bromide?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 25 g, 100 g, 500 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Octadecyltrimethylammonium bromide?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Octadecyltrimethylammonium bromide to my country?
Yes. Because Octadecyltrimethylammonium bromide is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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