DTAB

Modify Date: 2025-08-19 22:07:09

DTAB Structure
DTAB structure
 Common Name DTAB
CAS Number 1119-94-4 Molecular Weight 308.341
Density N/A Boiling Point N/A
Molecular Formula C15H34BrN Melting Point 246 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 246°C
Symbol GHS07 GHS09
GHS07, GHS09		 Signal Word Warning

 Use of DTAB


Dodecyltrimethylammonium bromide (DTAB) is a surfactant. Dodecyltrimethylammonium bromide interacts with DNA and changes the mechanical properties of DNA on binding and the specific binding parameters of the interaction[1].

 Names

Name dodecyltrimethylammonium bromide
Synonym More Synonyms

 DTAB Biological Activity

Description Dodecyltrimethylammonium bromide (DTAB) is a surfactant. Dodecyltrimethylammonium bromide interacts with DNA and changes the mechanical properties of DNA on binding and the specific binding parameters of the interaction[1].
Related Catalog
References

[1]. E F Silva, et al. Dodecyltrimethylammonium bromide surfactant effects on DNA: Unraveling the competition between electrostatic and hydrophobic interactions.

 Chemical & Physical Properties

Melting Point 246 °C (dec.)(lit.)
Molecular Formula C15H34BrN
Molecular Weight 308.341
Flash Point 246°C
Exact Mass 307.187469
LogP 1.61750
Water Solubility soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BQ3195000
CHEMICAL NAME :
Ammonium, dodecyltrimethyl-, bromide
CAS REGISTRY NUMBER :
1119-94-4
LAST UPDATED :
199710
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C15-H34-N.Br
MOLECULAR WEIGHT :
308.41
WISWESSER LINE NOTATION :
12K1&1&1 &E

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
6800 ug/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes
REFERENCE :
APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 47,17,1980
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
5200 ug/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes
REFERENCE :
APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 47,17,1980

 Safety Information

Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H302-H315-H319-H335-H410
Precautionary Statements P261-P273-P305 + P351 + P338-P501
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful
Risk Phrases R22;R36/37/38
Safety Phrases S26-S36-S37/39
RIDADR UN3077
WGK Germany 3
RTECS BQ3195000
Packaging Group III
Hazard Class 9
HS Code 2923900090

 Customs

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%

 Articles37

More Articles
Probing competitive interactions in quaternary formulations.

J. Colloid. Interface Sci. 454 , 35-43, (2015)

The interaction of amphiphilic block copolymers of the poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) (PEO-PPO-PEO) group with small molecule surfactants may be "tuned" by the presenc...

Salt effect on microscopic structure and stability of colloidal complex obtained from neutral/polyelectrolyte block copolymer and oppositely charged surfactant.

Colloids Surf. B Biointerfaces 99 , 127-35, (2012)

The salt effect on complex formation of poly(acrylamide)-block-poly(acrylic acid) (PAM-b-PAA) and dodecyltrimethylammonium bromide (DTAB) at different NaBr concentrations, C(NaBr), was investigated by...

Analysis of plasma nucleotides in rat by micellar electrokinetic capillary chromatography/electrospray ionization mass spectrometry.

Rapid Commun. Mass Spectrom. 26(12) , 1426-36, (2012)

The aim of this study was to establish a simultaneous quantitative analysis method of nine endogenous nucleotides in rat plasma using micellar electrokinetic capillary chromatography/electrospray ioni...

 Synonyms

Dodecyl trimethyl ammonium bromide
Lauryltrimethylammonium Bromide
dodecyl trimethylammonium bromide
N,N,N-Trimethyldodecan-1-aminium bromide
n-Dodecyl trimethylammonium bromide
Dodecyltrimethylammonium bromide
N,N,N-Trimethyl-1-dodecanaminium bromide
1-Dodecanaminium, N,N,N-trimethyl-, bromide (1:1)
DTAB
MFCD00011767
dodecyl(trimethyl)ammonium bromide
Dodecyltrimethylammonium bromide (DTAB)
dodecyl(trimethyl)azanium,bromide
Laurtrimonium bromide
EINECS 214-290-3
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Chemsrc provides DTAB(CAS#:1119-94-4) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of DTAB are included as well.>> amp version: DTAB

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