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Hexadecyl trimethyl ammonium bromide

Hexadecyl trimethyl ammonium bromide
Hexadecyl trimethyl ammonium bromide structure
CAS No.
57-09-0
Chemical Name:
Hexadecyl trimethyl ammonium bromide
Synonyms
CTAB;BCTA;CTMB;HTAB;micol;CETAB;CTABR;bromat;ZYS 08;cetarol
CBNumber:
CB5743258
Molecular Formula:
C19H42BrN
Formula Weight:
364.45
MOL File:
57-09-0.mol

Hexadecyl trimethyl ammonium bromide Properties

Melting point:
248-251 °C(lit.)
Density 
1.1107 (rough estimate)
refractive index 
1.5260 (estimate)
Flash point:
244 °C
storage temp. 
Store at RT.
solubility 
H2O: 50 mg/mL
form 
powder
color 
white
PH
5.0-7.0 (25℃, 0.1M in H2O)
Water Solubility 
13 g/L (20 ºC)
Sensitive 
Hygroscopic
λmax
λ: 260 nm Amax: 0.06
λ: 280 nm Amax: 0.05
Merck 
14,2025
BRN 
3598189
Stability:
Stable. Incompatible with strong oxidizing agents. Protect from moisture.
CAS DataBase Reference
57-09-0(CAS DataBase Reference)
EPA Substance Registry System
1-Hexadecanaminium, N,N,N-trimethyl-, bromide(57-09-0)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn,N
Risk Statements  22-37/38-41-50-50/53-36/37/38-48/22
Safety Statements  26-39-61-37/39-60-36
RIDADR  UN 3077 9/PG 3
WGK Germany  3
RTECS  BQ7875000
3
TSCA  Yes
HazardClass  9
PackingGroup  III
HS Code  29239000
Toxicity LD50 in mice, rats (mg/kg): 32.0, 44.0 i.v. (Isomaa, Bjondahl)
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P391 Collect spillage. Hazardous to the aquatic environment
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Hexadecyl trimethyl ammonium bromide price More Price(32)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 36932 Hexadecyltrimethylammonium bromide analytical standard 57-09-0 1g $64.4 2018-11-13 Buy
Sigma-Aldrich 1102974 Cetrimonium bromide United States Pharmacopeia (USP) Reference Standard 57-09-0 1g $386 2018-11-13 Buy
TCI Chemical H0081 Hexadecyltrimethylammonium Bromide >98.0%(T) 57-09-0 25g $15 2018-11-22 Buy
TCI Chemical H0081 Hexadecyltrimethylammonium Bromide >98.0%(T) 57-09-0 100g $45 2018-11-22 Buy
Alfa Aesar A15235 (1-Hexadecyl)trimethylammonium bromide, 98% 57-09-0 100g $37.9 2018-11-13 Buy

Hexadecyl trimethyl ammonium bromide Chemical Properties,Uses,Production

Chemical Properties

White powder. Soluble in water, alcohol, and chloroform.

Uses

antiinfectant

Uses

Hexadecyltrimethylammonium Bromide (CTAB) is a cationic surfactant used as a template in the synthesis of Mesoporous γ-Fe2O3.

Uses

A cationic detergent used in the isolation of high molecular weight DNA.

Uses

cetrimonium bromide is a quaternary ammonium salt that can prevent the proliferation of bacteria, fungi, and yeast in cosmetic preparation, while also act as an emulsifying agent.

Definition

ChEBI: The organic bromide salt that is the bromide salt of cetyltrimethylammonium; one of the components of the topical antiseptic cetrimide.

Purification Methods

Crystallise it from EtOH, EtOH/*benzene or from wet acetone after extracting twice with pet ether. Shake it with anhydrous diethyl ether, filter and dissolve it in a little hot MeOH. After cooling in the refrigerator, the precipitate is filtered off at room temperature and re-dissolved in MeOH. Anhydrous ether is added and, after warming to obtain a clear solution, it is cooled and the crystalline material is collected. [Dearden & Wooley J Phys Chem 91 2404 1987, Hakemi et al. J Am Chem Soc 91 120 1987, Beilstein 4 IV 819.]

Hexadecyl trimethyl ammonium bromide Preparation Products And Raw materials

Raw materials

Preparation Products


Hexadecyl trimethyl ammonium bromide Suppliers

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View Lastest Price from Hexadecyl trimethyl ammonium bromide manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-16 CTAB Hexadecyl trimethyl ammonium bromide
57-09-0
US $8.00 / kg 1kg 99% 10MT career henan chemical co
2018-12-15 Hexadecyl trimethyl ammonium bromide
57-09-0
US $8.00 / kg 1kg 98% 100KG career henan chemical co

Hexadecyl trimethyl ammonium bromide Spectrum


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