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/449/386/product-dating-information-mk.pdf
1.88005
CombiTitrant 5
1 ml ≙ ca. 5 mg H₂O, one-component reagent for Karl Fischer titration, Aquastar®
Synonym(s):
Titrant Solution 5
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About This Item
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Product Name
CombiTitrant 5, one-component reagent for volumetric Karl Fischer titration 1 ml ≙ ca. 5 mg H₂O Aquastar®
Quality Level
product line
Aquastar®
form
liquid
reaction suitability
reaction type: volumetric
concentration
5 mg/mL
technique(s)
Karl-Fischer titration: suitable
titration: suitable
density
1.19 g/cm3 at 20 °C
format
single component solution
storage temp.
15-25°C
Packaging
Analysis Note
Legal Information
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Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Carc. 2 - Eye Dam. 1 - Repr. 1B - Skin Irrit. 2 - STOT RE 1 Oral
Target Organs
Thyroid
Storage Class Code
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 2
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Protocols
Summary application report for analysis of moisture in sulfuric acid
Summary application report for analysis of moisture in D(+)-glucose-monohydrate
Summary application report for analysis of moisture in Ammonia, aqueous
This protocol describes a one-component Volumetric Karl Fischer Titration method for the determination of water content in Benserazide hydrochloride.
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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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IS THIS REAGENT FREE OF PYRIDINE?
1 answer-
Yes, this reagent is pyridine free. Imidazole is the base used instead of pyridine.
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