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09691

Ammonium acetate solution

BioUltra, ~5 M in H2O

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About This Item

Linear Formula:
CH3COONH4
CAS Number:
631-61-8
Molecular Weight:
77.08
NACRES:
NA.25
PubChem Substance ID:
329748801
eCl@ss:
39021908
UNSPSC Code:
12161700
MDL number:
MFCD00013066
Beilstein/REAXYS Number:
4186741

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Product Name

Ammonium acetate solution, BioUltra, ~5 M in H2O

InChI

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

SMILES string

CC([O-])=O.[H][N+]([H])([H])[H]

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

grade

Molecular Biology

product line

BioUltra

form

liquid

concentration

~5 M in H2O

impurities

DNases, none detected
 RNases, none detected
 insoluble matter, passes filter test
 phosphatases, none detected
 proteases, none detected

ign. residue

≤0.01% (as SO4)

pH

6.2-7.5 (25 °C, 1 M in H2O)

density

1.07 g/mL at 20 °C

anion traces

chloride (Cl-): ≤5 mg/kg
nitrate (NO3-): ≤10 mg/kg
sulfate (SO42-): ≤10 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.015
λ: 280 nm Amax: 0.01

Quality Level

200

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Show Differences

1 of 4

This Item
A270609689A1542
Ammonium acetate solution BioUltra, ~5 M in H2O

Sigma-Aldrich

09691

Ammonium acetate solution

Ammonium acetate solution Molecular Biology, 7.5 M

Sigma-Aldrich

A2706

Ammonium acetate solution

Ammonium acetate BioUltra, ≥99.0%

Sigma-Aldrich

09689

Ammonium acetate

Ammonium acetate Molecular Biology, ≥98%

Sigma-Aldrich

A1542

Ammonium acetate

grade

for molecular biology

grade

for molecular biology

grade

for molecular biology

grade

for molecular biology

concentration

~5 M in H2O

concentration

7.5 M

concentration

-

concentration

-

Quality Level

200

Quality Level

300

Quality Level

200

Quality Level

300

product line

BioUltra

product line

-

product line

BioUltra

product line

-

form

liquid

form

solution

form

solid

form

solid

density

1.07 g/mL at 20 °C

density

-

density

-

density

-

Application

Ammonium acetate solution can be used to study molecular biology, biological buffers, reagents and DNA and RNA purification. Ammonium acetate solution has been used to study pharmacokinetic analysis of α and β epimers of glycyrrhetinic acid in rat plasma. Ammonium acetate solution has also been used in a study to develop a method for the simultaneous determination of aristolochic acids A and B in some Chinese herbals and traditional Chinese patent medicines.

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN6786
BCCM7585
BCCL6907
BCCL3693
BCCK4206

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The autoimmune neurological disease, Multiple Sclerosis (MS), have increased at alarming rates in the Western society over the last few decades. While there are numerous efforts to develop novel treatment approaches, there is an unmet need to identify preventive strategies.
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Hepatitis B virus core-antigen (capsid protein) and e-antigen (an immune regulator) have almost complete sequence identity, yet the dimeric proteins (termed Cp149d and Cp(-10)149d , respectively) adopt quite distinct quaternary structures. Here we use hydrogen deuterium exchange-mass spectrometry (HDX-MS) to
Xumin Zhang et al.
Analytical chemistry, 84(18), 7785-7792 (2012-08-15)
Untargeted liquid chromatography-mass spectrometry (LC-MS)-based metabolomics studies are usually carried out in both positive and negative ion modes; however, it is frequently ignored that the optimal conditions in positive ion mode and negative ion mode are often not the same.
Hong Lin et al.
Journal of the American Society for Mass Spectrometry, 23(12), 2122-2131 (2012-09-21)
Electrospray ionization mass spectrometry (ESI-MS) measurements were performed under a variety of solution conditions on a highly acidic sub-fragment (B3C) of the C-terminal carbohydrate-binding repeat region of Clostridium difficile toxin B, and two mutants (B4A and B4B) containing fewer acidic
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Questions

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  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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