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
A1332
Ammonium citrate tribasic
≥97% (titration)
Synonym(s):
Citric acid triammonium salt
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
Quality Level
assay
≥97% (titration)
form
crystals
bp
100 °C (lit.)
mp
185 °C (dec.) (lit.)
density
1 g/mL at 25 °C (lit.)
application(s)
diagnostic assay manufacturing
SMILES string
N.N.N.OC(=O)CC(O)(CC(O)=O)C(O)=O
InChI
1S/C6H8O7.3H3N/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);3*1H3
InChI key
YWYZEGXAUVWDED-UHFFFAOYSA-N
Application
- Preparation of One-Emission Nitrogen-Fluorine-Doped Carbon Quantum Dots and Their Applications in Environmental Water Samples and Living Cells for ClO(-) Detection and Imaging.: This study illustrates the role of ammonium citrate tribasic in synthesizing nitrogen-fluorine-doped carbon quantum dots. These quantum dots are used for sensitive detection and imaging of chlorite ions in environmental water samples and living cells, demonstrating a novel application in environmental monitoring and biomedical imaging (Zhang et al., 2023).
- High quantum yield nitrogen and boron co-doped carbon dots for sensing Ag(+), biological imaging and fluorescent inks.: Ammonium citrate tribasic is used here to facilitate the doping process in the synthesis of high quantum yield carbon dots. These dots have applications ranging from heavy metal ion sensing in environmental samples to advanced imaging techniques in biological systems and the creation of fluorescent inks (Cheng et al., 2021).
- Optimization of Copper Stain Removal from Marble through the Formation of Cu(II) Complexes in Agar Gels.: This research employs ammonium citrate tribasic in a novel method for removing copper stains from marble. The study explores the chelating properties of ammonium citrate tribasic to form stable Cu(II) complexes, offering a conservation technique for historical artifacts and buildings (Sansonetti et al., 2021).
- A facile microwave-assisted synthesis of highly crystalline red carbon dots by adjusting the reaction solvent for white light-emitting diodes.: Ammonium citrate tribasic is instrumental in this study for synthesizing red carbon dots under microwave conditions. The dots are used in the development of white light-emitting diodes, showing potential for applications in display technologies and lighting (Lan et al., 2020).
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This Item | |||
|---|---|---|---|
| assay ≥97% (titration) | assay ≥98% | assay 98%, 98.0-103.0% (ACS specification) | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| application(s) diagnostic assay manufacturing | application(s) - | application(s) - | application(s) - |
| form crystals | form - | form solid | form crystals |
| density 1 g/mL at 25 °C (lit.) | density - | density - | density - |
| mp 185 °C (dec.) (lit.) | mp - | mp - | mp >300 °C (lit.) |
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| A1332-500G | 04061835265145 |
| A1332-100G | 04061833342107 |
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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?
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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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