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90358

Triethylammonium acetate buffer

Name: Triethylammonium acetate buffer
Brand: SIGMA

volatile buffer, ~1.0 M in H₂O

Sinonimo/i:

Triethylammonium acetate buffer, Buffer solution 1 M pH 7.0 (volatile), Triethylammonium acetate

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Informazioni su questo articolo

UNSPSC Code:

12161700

PubChem Substance ID:

24889353

NACRES:

NA.25

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Proprietà

Quality Segment

200

assay

0.95—1.05 mol

form

liquid

shelf life

limited shelf life, expiry date on the label

concentration

1 M, ~1.0 M in H₂O

technique(s)

electrophoresis: suitable

color

colorless

refractive index

n20/D 1.357

pH

7.0

6.1

density

1.002 g/mL at 20 °C

suitability

suitable for chromatography, suitable for protein modification, suitable for separation of small nucleic acid fragments

application(s)

advanced drug delivery
detection
diagnostic assay manufacturing
life science and biopharma
sample preparation

storage temp.

2-8°C

InChI

1S/C6H15N.C2H4O2/c1-4-7(5-2)6-3;1-2(3)4/h4-6H2,1-3H3;1H3,(H,3,4)

InChI key

AVBGNFCMKJOFIN-UHFFFAOYSA-N

Descrizione

General description

Triethylammonium acetate, also known as TEAA, is a volatile buffer widely utilized as a buffer in various biochemical and biological applications, particularly in peptide and proteomics research. It is a common choice for ion-pairing reagent in the chromatographic separation of oligonucleotides and plays a key role in buffer solutions for oligonucleotide synthesis and purification.

Application

Triethylammonium acetate has been used:

as a buffer in proteomics studies
as a component of the mobile phase to separate nucleotide sugars
as a buffer for the separation of glycopeptides in proteomics research

Features and Benefits

Suitable for Biological and Biochemical Research
Ready available solution reduce the need for preparation time

Other Notes

For additional information on our range of Biochemicals, please complete this form.

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Questo articolo	90360	T7408	SRE0062
Sigma-Aldrich 90358 Triethylammonium acetate buffer	Sigma-Aldrich 90360 Triethylammonium bicarbonate buffer	Sigma-Aldrich T7408 Triethylammonium bicarbonate buffer	Sigma-Aldrich SRE0062 Tris-Borate EDTA Buffer, 10X Concentrate
description volatile buffer, ~1.0 M in H₂O	description volatile buffer, ~1.0 M in H₂O	description 1.0 M, pH 8.5±0.1	description -
technique(s) electrophoresis: suitable	technique(s) -	technique(s) -	technique(s) -
assay 0.95—1.05 mol	assay -	assay -	assay -
concentration 1 M, ~1.0 M in H₂O	concentration ~1.0 M in H₂O	concentration 1.0 M	concentration -
Quality Level 200	Quality Level 200	Quality Level 200	Quality Level 500
application(s) advanced drug delivery detection diagnostic assay manufacturing life science and biopharma sample preparation	application(s) diagnostic assay manufacturing	application(s) diagnostic assay manufacturing microbiology sample preparation	application(s) diagnostic assay manufacturing
form liquid	form liquid	form liquid	form liquid

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Classe di stoccaggio

12 - Non Combustible Liquids

Punto di infiammabilità (°F)

Not applicable

Punto di infiammabilità (°C)

Not applicable

DPI (dispositivi di protezione individuale)

Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number

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Questions

1–4 of 4 Questions

4 months ago

Is this product HPLC grade?

1 answer
1. Technical Support
  
  4 months ago
  
  This triethylammonium acetate buffer is not tested for use in HPLC on a lot to lot basis. However, this solution has been used successfully in HPLC analysis of oligonucleotides. Please see the link below to review a publication from Analytix Reporter:
  https://www.sigmaaldrich.com/US/en/technical-documents/technical-article/analytical-chemistry/large-molecule-hplc/oligonucleotide-standard-mix-analysis
  Should an HPLC-qualified product be preferred, note that product 69372 is tested for suitability in HPLC on a lot to lot basis. Please see the following link to review this product option:
  https://www.sigmaaldrich.com/product/sial/69372
  
  Helpful?
Anonymous

a year ago

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

1 answer
1. Technical Support
  
  a year ago
  
  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?
Anonymous

2 years ago

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

1 answer
1. Technical Support
  
  2 years ago
  
  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?
2 years ago

Hi, I want to purchase triethylammonium acetate solid, but it's not available. I wonder if this TEAA buffer made of pure TEAA, or is there anything else added to adjust the pH? Please let me know about other chemical content in this product. Thank you.

1 answer
1. Technical Support
  
  2 years ago
  
  This product is a 1M solution in water. Triethylammonium acetate is a mixture of triethylamine and acetic acid. The purity of the specific starting materials is not reported. However, the molarity is confirmed and reported in the lot specific Certificate of Analysis. Please see the link below to review a sample or lot specific Certificate:
  https://www.sigmaaldrich.com/product/sigma/90358#product-documentation
  
  Helpful?

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