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H9151

Sigma-Aldrich

Hexadecyltrimethylammonium bromide

BioXtra, ≥99%

Synonym(s):
CTAB, Cetrimonium bromide, Cetyltrimethylammonium bromide, Palmityltrimethylammonium bromide
Linear Formula:
CH3(CH2)15N(Br)(CH3)3
CAS Number:
Molecular Weight:
364.45
Beilstein:
3598189
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

description

cationic

Quality Level

product line

BioXtra

Assay

≥99%

form

crystalline
powder or crystals

mol wt

micellar avg mol wt 62,000

aggregation number

170

impurities

≤0.001% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.1%

pH

5.0-7 (25 °C, 36.4 g/L)

CMC

0.92 mM (20-25°C)

mp

248-251 °C (lit.)

solubility

H2O: 0.1 M, clear, colorless to faintly yellow

anion traces

sulfate (SO42-): ≤0.05%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

HLB

10

SMILES string

[Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C

InChI

1S/C19H42N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(2,3)4;/h5-19H2,1-4H3;1H/q+1;/p-1

InChI key

LZZYPRNAOMGNLH-UHFFFAOYSA-M

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This Item
H62695236552367
product line

BioXtra

product line

-

product line

BioUltra

product line

-

assay

≥99%

assay

≥99%

assay

≥99.0% (AT)

assay

≥99.0% (AT)

form

crystalline, powder or crystals

form

powder or crystals

form

powder or crystals

form

powder or crystals

mol wt

micellar avg mol wt 62,000

mol wt

micellar avg mol wt 62,000

mol wt

micellar avg mol wt 62,000

mol wt

average mol wt 62,000

aggregation number

170

aggregation number

170

aggregation number

170

aggregation number

170

Application

Hexadecyltrimethylammonium bromide has been used:
  • in gold nanorods preparation
  • as an additive in Ugi reaction
  • as a surfactant
  • for homogenisation of intestinal tissues for myeloperoxidase activity

Biochem/physiol Actions

Hexadecyltrimethylammonium bromide also called cetyltrimethylammonium bromide (CTAB), is a cationic surfactant. CTAB is employed for extraction of DNA. CTAB method is efficient, cost and time effective for DNA extraction. CTAB is used as a shaping material and reducing agent for nanoparticle generation.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 Oral - STOT SE 3

Target Organs

Gastrointestinal tract, Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

471.2 °F - closed cup

Flash Point(C)

244 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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25G
Pack Size/Quantity

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705578-5MG-PW

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MMYOMAG-74K-13

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