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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33114
Citric acid monohydrate
ACS reagent grade, 99.5-102%, solid, puriss. p.a., reag. ISO, reag. Ph. Eur., buffer substance
Synonim(y):
2-hydroxy-1,2,3-propanetricarboxylic acid monohydrate
Wybierz wielkość
| Do Państwa/SKU | Dostępność | Cena netto |
|---|---|---|
500 g | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 333,00 zł |
1 kg | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 632,00 zł |
2.5 kg | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 920,00 zł |
6 x 500 g | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 1490,00 zł |
5 kg | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 1640,00 zł |
6 x 1 kg | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 3000,00 zł |
25 kg | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 5810,00 zł |
Informacje o tej pozycji
333,00 zł
Nazwa produktu
Citric acid monohydrate, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102%
Quality Segment
agency
USP/NF, reag. ISO, reag. Ph. Eur.
grade
ACS reagent, puriss. p.a.
assay
99.5-100.5% (calc. on anhydrous substance), 99.5-102%
form
solid
impurities
≤0.005% insolubles in water, ≤2 ppm heavy metals (as Pb), 7.5-9.0% water (Karl Fischer)
ign. residue
≤0.01% (as SO4)
pKa
(1) 3.13, (2) 4.76, (3) 6.4
anion traces
chloride (Cl-): ≤5 mg/kg, oxalate (C2O42-): ≤100 ppm, phosphate (PO43-): ≤10 mg/kg, sulfate (SO42-): ≤20 ppm
cation traces
Ca: ≤50 mg/kg, Cu: ≤5 mg/kg, Fe: ≤3 ppm, Pb: ≤2 ppm, Zn: ≤5 mg/kg
suitability
complies for appearance of solution, complies for reaction against H2SO4
SMILES string
OC(CC(O)(C(O)=O)CC(O)=O)=O.O
functional group
carboxylic acid
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
Ta pozycja | |||
|---|---|---|---|
| description puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102% | description ACS reagent, ≥99.0% | description BioXtra, ≥99.5% | description puriss., meets analytical specification of Ph. Eur., BP, USP, E330, 99.5-100.5% (based on anhydrous substance), grit |
| grade puriss. p.a., ACS reagent | grade ACS reagent | grade - | grade puriss. |
| assay 99.5-102%, 99.5-100.5% (calc. on anhydrous substance) | assay ≥99.0% | assay ≥99.5% | assay 99.5-100.5% (based on anhydrous substance) |
| agency reag. ISO, reag. Ph. Eur., USP/NF | agency - | agency - | agency - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| form solid | form powder | form powder | form grit |
| impurities ≤2 ppm heavy metals (as Pb), ≤0.005% insolubles in water, 7.5-9.0% water (Karl Fischer) | impurities ≤0.005% Insoluble matter, Substances carbonizable by hot sulfuric acid, passes test | impurities ≤0.002% Phosphorus (P), ≤0.005% Insoluble matter | impurities 7.5-8.8% water (Karl Fischer), residual solvents, complies, ≤0.0005% heavy metals (as Pb) |
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Klasa składowania
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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