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
C7129
Acido citrico
reagent grade, ≥98% (GC/titration), powder
Sinonimo/i:
2-hydroxy-1,2,3-propanetricarboxylic acid monohydrate
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Informazioni su questo articolo
Nome del prodotto
Acido citrico, reagent grade, ≥98% (GC/titration)
grade
reagent grade
Quality Segment
assay
≥98% (GC/titration)
form
powder
pKa
(1) 3.13, (2) 4.76, (3) 6.4
solubility
H2O: 100 mg/mL, clear, colorless (Turbidity)
functional group
carboxylic acid
SMILES string
OC(CC(O)(C(O)=O)CC(O)=O)=O.O
InChI
1S/C6H8O7.H2O/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);1H2
InChI key
YASYEJJMZJALEJ-UHFFFAOYSA-N
General description
Application
1 of 1
Questo articolo | |||
|---|---|---|---|
| grade reagent grade | grade ACS reagent | grade ACS reagent, puriss. p.a. | grade - |
| assay ≥98% (GC/titration) | assay ≥99.0% | assay 99.5-100.5% (calc. on anhydrous substance), 99.5-102% | assay ≥99.5% |
| Quality Level 300 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| form powder | form powder | form solid | form powder |
| solubility H2O: 100 mg/mL, clear, colorless (Turbidity) | solubility H2O: soluble 54 % (w/w) at 10 °C (Citric acid in water), H2O: 59.2 % (w/w) at 20 °C (Citric acid in water), H2O: 84.0 % (w/w) at 100 °C (Citric acid in water) | solubility - | solubility H2O: 1 M, clear, colorless |
| functional group carboxylic acid | functional group carboxylic acid | functional group carboxylic acid | functional group - |
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Classe di stoccaggio
11 - Combustible Solids
flash_point_f
345.0 °F - closed cup
flash_point_c
173.9 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
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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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