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1.88005

Supelco

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

UNSPSC Code:
41115601
NACRES:
NA.21

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

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

Analysis Note

The concentration (efficiency) of Karl Fischer titrants decreases over time. Therefore the titer, being a corrective factor that compensates for this effect as well as variations of equipment, personal handling and laboratory conditions, must be determined directly after opening a new bottle and should be verified at regular intervals.

Legal Information

AQUASTAR is a registered trademark of Merck KGaA, Darmstadt, Germany

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Description
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Pictograms

Health hazardCorrosion

Signal Word

Danger

Hazard 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


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)


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 Ammonia, aqueous

This protocol describes a one-component Volumetric Karl Fischer Titration method for the determination of water content in Benserazide hydrochloride.

Summary application report for analysis of moisture in D(+)-glucose-monohydrate

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Questions

1–3 of 3 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. 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

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  3. IS THIS REAGENT FREE OF PYRIDINE?

    1 answer
    1. Yes, this reagent is pyridine free. Imidazole is the base used instead of pyridine.

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