Octadecy trimethyl ammonium bromide

Product Name: Octadecy trimethyl ammonium bromide
CAS No.: 1120-02-1
Chemical Name: Octadecy trimethyl ammonium bromide
Synonyms: OctMAB;[M3C18N]Br;FENTACARE 1831B;Einecs 214-294-5;Stearyl Trimethyl Am;Steartrimonium bromide;StearylTrimethylAmmoiumb;Stearyltrimethylaminium·bromide;STAB)Stearyl TriMethyl AMMoiuM b;STEARYLTRIMETHYLAMMONIUM BROMIDE
CBNumber: CB9402472
Molecular Formula: C21H46BrN
Formula Weight: 392.5
MOL File: 1120-02-1.mol

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Octadecy trimethyl ammonium bromide Property

Melting point:: ~250 °C (dec.) (lit.)
Boiling point:: 543.31℃[at 101 325 Pa]
vapor pressure: 0Pa at 25℃
storage temp.: Inert atmosphere,Room Temperature
solubility: Limited solubility
form: powder to crystal
color: White to Almost white
Water Solubility: soluble
BRN: 3574090
Stability:: Stable. Hygroscopic. Incompatible with strong oxidizing agents. Protect from moisture.
InChI: InChI=1S/C21H46N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22(2,3)4;/h5-21H2,1-4H3;1H/q+1;/p-1
InChIKey: SZEMGTQCPRNXEG-UHFFFAOYSA-M
SMILES: C(CC[N+](C)(C)C)CCCCCCCCCCCCCCC.[Br-]
LogP: 3.06 at 25℃
CAS DataBase Reference: 1120-02-1(CAS DataBase Reference)
EPA Substance Registry System: Trimethyl-1-octylammonium bromide (1120-02-1)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
RIDADR: UN 3077 9 / PGIII
WGK Germany: 3
HS Code: 29239000

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H317May cause an allergic skin reaction

H318Causes serious eye damage

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P391Collect spillage. Hazardous to the aquatic environment

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 359246
Product name: Trimethyloctadecylammonium bromide
Purity: 98%
Packaging: 10g
Price: $116
Updated: 2025/07/31

Sigma-Aldrich

Product number: 359246
Product name: Trimethyloctadecylammonium bromide
Purity: 98%
Packaging: 50g
Price: $320
Updated: 2025/07/31

TCI Chemical

Product number: S0364
Product name: Trimethylstearylammonium Bromide
Purity: >98.0%(T)
Packaging: 25g
Price: $125
Updated: 2025/07/31

Tocris

Product number: 4225
Product name: OctMAB
Packaging: 50
Price: $188
Updated: 2021/12/16

Tocris

Product number: 4225
Product name: OctMAB
Packaging: 10
Price: $48
Updated: 2021/12/16

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Octadecy trimethyl ammonium bromide Chemical Properties,Usage,Production

Chemical Properties

white powder

Uses

A Dynamin I inhibitor.

Uses

Trimethyloctadecylammonium bromide (C₁₈TAB) is generally used as a surfactant. It can be used in the preparation of polyoxomolybdate-surfactant hybrid layered crystals. It can also be used as a surface modifier in the liquid chromatography.

Flammability and Explosibility

Not classified

Purification Methods

Crystallise it from EtOH or H2O (solubility is 1 in 1000parts). It is very soluble in Me2CO. It is a bactericide. [Sheldon et al. J Am Chem Soc 68 754 1946, Grieger & Kraus J Am Chem Soc 70 3805, 38007, Beilstein 4 IV 827.]

Octadecy trimethyl ammonium bromide Preparation Products And Raw materials

Raw materials

Methyl bromide Octadecanamine

Preparation Products

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Octadecy trimethyl ammonium bromide Suppliers

China 347 Europe 2 Germany 2 India 4 Japan 1 Slovakia 1 South Korea 1 Switzerland 1 United Kingdom 8 United States 20 Global 387

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View Lastest Price from Octadecy trimethyl ammonium bromide manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: Octadecy trimethyl ammonium bromide(STAB) 1120-02-1
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-10-30

HebeiShuoshengImportandExportco.,Ltd

Product: Octadecy trimethyl ammonium bromide 1120-02-1
Price: US $6.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 2000KG/Month
Release date: 2024-08-05

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: Octadecy trimethyl ammonium bromide 1120-02-1
Price: US $10.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20ton
Release date: 2024-05-27

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OCTADECYLTRIMETHYLAMMONIUM BROMIDE

TRIMETHYLSTEARYLAMMONIUM BROMIDE

TRIMETHYLOCTADECYLAMMONIUM BROMIDE

Steartrimonium bromide

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Octadecy trimethyl ammonium bromide

stearyltrimethylammonium bromide (stab)

trimethyl(octadecyl)azanium:bromide

(STAB) Trimethyloctadecylammonium bromide

STAB Octadecy trimethyl ammonium bromide

Trimethylstearylammonium Bromide &gt

Trimethyloctadecylammonium bromide, 99%, for bio

Octadecy trimethyl ammonium bromide(STAB)

Octadecy trimethyl ammonium bromide ISO 9001：2015 REACH

OcTMAB, dynamin I and dynamin II inhibitor

1120-02-1

1120-20-1

CH3CH217NBrCH33

C21H46NHBr

CH3CH217CH33NBr

C27H50BrN

C21H46NBr

C21H46BrN

C18H37CH33NBr

Phase Transfer Catalysts

Synthetic Reagents

Ammonium Salts

Ammonium Bromides (Quaternary)

Quaternary Ammonium Compounds

Aliphatics

Ammonium Bromides (Quaternary)