Dodecyltrimethylammonium chloride
cas：112-00-5

Physical State Powder Solid
Appearance Off-white
Odor No information available
Odor Threshold No information available
pH No information available
Melting Point/Range 237 °C / 458.6 °F
Boiling Point/Range No information available
Flash Point No information available
Evaporation Rate Not applicable
Flammability (solid,gas) No information available
Flammability or explosive limits
Upper No data available
Lower No data available
Vapor Pressure No information available
Vapor Density Not applicable
Specific Gravity No information available
Solubility Soluble
Partition coefficient; n-octanol/water No data available
Autoignition Temperature No information available
Decomposition Temperature No information available
Viscosity Not applicable
Molecular Formula C15 H34 Cl N
Molecular Weight 263.88

Dodecyltrimethylammonium bromide
cas：1119-94-4 EINECS/ELINCS：214-290-3



Physical State: Powder
Appearance: white to light yellow
Odor: odorless
pH: Not available.
Vapor Pressure: Not available.
Vapor Density: Not available.
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point:246 deg C (dec)
Decomposition Temperature:> 246 deg C
Solubility: Not available.
Specific Gravity/Density:Not available.
Molecular Formula:C15H34BrN
Molecular Weight:308.34

Formula : C19H42ClN
Molecular weight : 320.00 g/mol
CAS-No. : 112-02-7
EC-No. : 203-928-6

a) Appearance Form: powder
Color: white
b) Odor No data available
c) Odor Threshold No data available
d) pH No data available
e) Melting
point/freezing point
Melting point/range: 232 - 237 °C (450 - 459 °F)
f) Initial boiling point
and boiling range
235 - 248 °C 455 - 478 °F at 1,013 hPa - OECD Test Guideline
103
g) Flash point ()No data available
h) Evaporation rate No data available
i) Flammability (solid,
gas)
The product is not flammable. - A.10. (Regulation (EC) No
440/2008, Annex A)
j) Upper/lower
flammability or
explosive limits
No data available
k) Vapor pressure < 0.01 hPa at 20 °C (68 °F) - OECD Test Guideline 104
l) Vapor density No data available
m) Density 0.96 g/cm3 at 20 °C (68 °F)
Relative density No data available
n) Water solubility 0.24 g/l at 25 °C (77 °F)
o) Partition coe

Synonyms : Cetrimonium bromide
Palmityltrimethylammonium bromide
CTAB
Cetyltrimethylammonium bromide
Formula : C19H42N.Br
Molecular weight : 364.45 g/mol
CAS-No. : 57-09-0
EC-No. : 200-311-3

a) Appearance Form: solid
Color: white
b) Odor weak
c) Odor Threshold No data available
d) pH 5.0 - 7 at 36.4 g/l at 25 °C (77 °F)
e) Melting
point/freezing point
Melting point/range: 248 - 251 °C (478 - 484 °F)
f) Initial boiling point
and boiling range
No data available
g) Flash point 244 °C (471 °F) - closed cup
h) Evaporation rate No data available
i) Flammability (solid,
gas)
No data available
j) Upper/lower
flammability or
explosive limits
No data available
k) Vapor pressure No data available
l) Vapor density No data available
m) Density 2.30 g/cm3
Relative density No data available
n) Water solubility 36.4 g/l at 20 °C (68 °F) - completely soluble
o) Partition coefficient:
n-octano

Product Name: Dodecyltrimethylammonium (bromide)
Cat. No.: CS-0014808
CAS No.: 1119-94-4
Batch No.: 241179
Chemical Name: 1-Dodecanaminium, N,N,N-trimethyl-, bromide (1:1)
PHYSICAL AND CHEMICAL PROPERTIES
Molecular Formula: C15H34BrN
Molecular Weight: 308.34
Storage: 2-8°C, sealed storage, away from moisture
Chemical Structure:
ANALYTICAL DATA
Appearance: White to off-white (Solid)
1 H NMR Spectrum: Consistent with structure
MS: Consistent with structure
Purity (NMR): ≥98.0%
Conclusion: The product has been tested and complies with the given specifications.

季铵盐催化剂是相转移催化中最常用的类型之一。以下是一些常用的季铵盐催化剂品种：

三辛基溴化铵（n-Octyltrimethylammonium bromide，OTAB）
十六烷基三甲基溴化铵（Hexadecyltrimethylammonium bromide，CTAB）
十六烷基三甲基氯化铵（Hexadecyltrimethylammonium chloride，CTAC）
十六烷基三甲基溴化铜（Hexadecyltrimethylammonium bromide copper complex，CTAB-Cu）
十二烷基三甲基溴化铵（Dodecyltrimethylammonium bromide，DTAB）
十二烷基三甲基氯化铵（Dodecyltrimethylammonium chloride，DTAC）
这些季铵盐催化剂在有机合成、催化反应和表面活性剂等领域中得到广泛应用。它们具有良好的水溶性和有机溶解性，能够有效地在水相和有机相之间传递离子和极性物质，促进相转移催化反应的进行。不同的季铵盐催化剂在反应活性、选择性和应用范围上可能会有所差异，因此选择适合特定反应的催化剂是很重要的。

这些相转移催化剂具有以下特点：

能够在不相容相之间传递离子或极性物质，促进反应进行。
具有良好的溶解性，既能在水相中溶解也能在有机相中溶解。
可以通过调整其结构来调节催化活性和选择性。
一些催化剂具有良好的可再生性，可以多次使用。
它们的选择性和活性可以通过反应条件的调节进行优化。
总体而言，相转移催化剂提供了在两个不相容相中进行反应的途径，并且具有灵活性、广泛的应用范围和可调节的性质，使其在有机合成和化学反应中得到广泛应用。