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5.33004

Ammonium acetate

for LC-MS LiChropur

Synonym(s):

Ammonium acetate

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About This Item

Empirical Formula (Hill Notation):
C2H7NO2
CAS Number:
Molecular Weight:
77.08
UNSPSC Code:
12352106
EC Index Number:
211-162-9
NACRES:
NB.21
MDL number:
Form:
solid
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Quality Level

agency

suitable for ASTM® 7968, suitable for ASTM® 7979, suitable for DIN 38407-42, suitable for EPA 1633, suitable for EPA 533, suitable for EPA 537.1, suitable for EPA 8327, suitable for EPA ACB B21-02, suitable for EPA ACB B23-05b, suitable for GB 31604.35-2016, suitable for GB 5009.253-2016, suitable for ISO 21675 2019, suitable for ISO 25101, suitable for ISO/CEN 15968-2010

reg. compliance

suitable for FDA C-010.02

product line

LiChropur

form

solid

pH

6.7-7.3 (25 °C, 50 g/L in H2O)

mp

114 °C

solubility

1480 g/L

density

1.17 g/cm3 at 20 °C

bulk density

410 kg/m3

SMILES string

[NH4]OC(=O)C

application(s)

PFAS testing

storage temp.

15-25°C

InChI

1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

General description

Ammonium acetate is commonly used as a buffer ormobile phase additive in liquid chromatography-mass spectrometry (LC-MS)analysis.

Application

Ammonium acetate can be used as a mobile phaseadditive in hydrophilic interaction liquid chromatography (HILIC) for theanalysis of oligonucleotide and siRNA.

Legal Information

ASTM is a registered trademark of American Society for Testing and Materials
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

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agency

suitable for ASTM® 7968, suitable for DIN 38407-42, suitable for EPA 533, suitable for EPA 8327, suitable for EPA ACB B23-05b, suitable for GB 5009.253-2016, suitable for ISO 25101, suitable for ASTM® 7979, suitable for EPA 537.1, suitable for GB 31604.35-2016, suitable for ISO/CEN 15968-2010, suitable for EPA 1633, suitable for ISO 21675 2019, suitable for EPA ACB B21-02

agency

suitable for ASTM® 7968, suitable for ASTM® 7979, suitable for DIN 38407-42, suitable for EPA 1633, suitable for EPA 533, suitable for EPA 537.1, suitable for EPA 8327, suitable for EPA ACB B21-02, suitable for EPA ACB B23-05b, suitable for GB 31604.35-2016, suitable for GB 5009.253-2016, suitable for ISO 21675 2019, suitable for ISO 25101, suitable for ISO/CEN 15968-2010

agency

suitable for ASTM® 7968, suitable for ASTM® 7979, suitable for DIN 38407-42, suitable for EPA 1633, suitable for EPA 533, suitable for EPA 537.1, suitable for EPA 8327, suitable for EPA ACB B21-02, suitable for EPA ACB B23-05b, suitable for GB 31604.35-2016, suitable for GB 5009.253-2016, suitable for ISO 21675 2019, suitable for ISO 25101, suitable for ISO/CEN 15968-2010

agency

reag. Ph. Eur.

form

solid

form

solid

form

solid

form

solid

pH

6.7-7.3 (25 °C, 50 g/L in H2O)

pH

6.7-7.3 (25 °C, 50 g/L in H2O)

pH

6.2-7.5 (25 °C, 1 M in H2O)

pH

6.7-7.3 (25 °C, 5% in water)

storage temp.

15-25°C

storage temp.

15-25°C

storage temp.

-

storage temp.

-

solubility

1480 g/L

solubility

1480 g/L

solubility

H2O: 1 M at 20 °C, clear, colorless

solubility

-


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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Analytical characterization of DNA and RNA oligonucleotides by hydrophilic interaction liquid chromatography-tandem mass spectrometry
Huang M, et al.
Journal of Chromatography A, 1648, 462184-462184 (2021)



Global Trade Item Number

SKUGTIN
533004005004054839047091

Questions

1–2 of 2 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

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  2. 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

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