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M7635

Alkyltrimethylammonium bromide

≥95% (TLC)

Synonym(s):

Cetrimide (per BP)

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About This Item

UNSPSC Code:
12161900
NACRES:
NA.25
MDL number:
MFCD00130461
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biological source

synthetic

Quality Segment

200

description

cationic

assay

≥95% (TLC)

form

powder

mol wt

336.41 g/mol

mp

245-250 °C

solubility

H2O: 5 % (w/v)

density

1 g/cm3 at 25 °C

SMILES string

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

InChI

1S/C17H38N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18(2,3)4;/h5-17H2,1-4H3;1H/q+1;/p-1

InChI key

CXRFDZFCGOPDTD-UHFFFAOYSA-M

General description

Alkyltrimethylammonium bromide is a surfactant and can be used to study the forces and stability of foam films produced from soluble cationic surfactants.

Application

Alkyltrimethylammonium bromide has been used in a study to assess the adsorption of sugar surfactants at the air/water interface. [1] It has also been used in a study to investigate dynamical features in cationic micelles. [2]

Other Notes

Predominantly C14H29N(CH3)3Br but also contains C12 and C16 homologs.

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This Item
87580D5047T4762
Alkyltrimethylammonium bromide ≥95% (TLC)

Sigma-Aldrich

M7635

Alkyltrimethylammonium bromide

Tetrakis(decyl)ammonium bromide ≥99.0% (AT)

Sigma-Aldrich

87580

Tetrakis(decyl)ammonium bromide

Dodecyltrimethylammonium bromide BioXtra, ~99%

Sigma-Aldrich

D5047

Dodecyltrimethylammonium bromide

Myristyltrimethylammonium bromide ≥99%

Sigma-Aldrich

T4762

Myristyltrimethylammonium bromide

form

powder

form

powder

form

crystals

form

-

assay

≥95% (TLC)

assay

≥99.0% (AT)

assay

~99%

assay

≥99%

description

cationic

description

-

description

cationic

description

cationic

density

1 g/cm3 at 25 °C

density

-

density

-

density

-

biological source

synthetic

biological source

-

biological source

-

biological source

-

mp

245-250 °C

mp

-

mp

246 °C (dec.) (lit.)

mp

245-250 °C (lit.)

signalword

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

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Questions

1–4 of 4 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. I am performing an analysis stating the use of Catrimide R is necessary but that according to the European Pharmacopoeia is Cetrimide CASnr 8044-71-1. Is this interchangeable with the CASnr 1119-97-7?

    1 answer

    1. CAS number 8044-71-1 refers to a mixture of alkyltrimethylammonium bromides. It is not a specific compound but rather a blend of similar quaternary ammonium compounds. CAS number 1119-97-7 refers to trimethyltetradecylammonium bromide. So these two CAS numbers refer to different compounds and are not interchangeable.

      Helpful?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  4. CAS no.を教えて下さい

    1 answer

    1. The CAS number for Product M7635 is 8044-71-1.

      Helpful?

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