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
73594
Ammonium acetate
LiChropur™, eluent additive for LC-MS
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R$ 1.376,00
R$ 4.934,00
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Nome do produto
Ammonium acetate, LiChropur™, eluent additive for LC-MS
InChI key
USFZMSVCRYTOJT-UHFFFAOYSA-N
InChI
1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3
SMILES string
N.CC(O)=O
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
Quality Level
form
solid
product line
LiChropur™
assay
≥99.0% (calc. on dry substance, T)
quality
LiChropur™
technique(s)
LC/MS: suitable
impurities
insoluble matter, passes filter test
≤1% water
ign. residue
≤0.01% (as SO4)
pH
6.2-7.5 (25 °C, 1 M in H2O)
mp
110-112 °C (dec.) (lit.)
solubility
H2O: 1 M at 20 °C, clear, colorless
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: ≤5 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤5 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: ≤0.010
suitability
passes test for LC-MS
application(s)
PFAS testing
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Este Item | 5.33004 | 32301 | 238074 |
|---|---|---|---|
| grade eluent additive for LC-MS | grade - | grade ACS reagent, puriss. p.a. | grade ACS reagent |
| assay ≥99.0% (calc. on dry substance, T) | assay - | assay ≥98% | assay ≥97% |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| 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 reag. Ph. Eur. | agency - |
| form solid | form solid | form solid | form powder, solid |
| solubility H2O: 1 M at 20 °C, clear, colorless | solubility 1480 g/L | solubility - | solubility - |
Application
General description
Legal Information
related product
Classe de armazenamento
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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under what conditions should you store ammonium acetate? ambient temperature with low relative humidity or 2-6 degrees in a fridge with high relative humidity- given that it is hygroscopic
1 answer-
This product is to be stored at room temperature. Although this material is hygroscopic, desiccation is not required if the bottle is securely sealed.
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