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
P0657
Phthaldialdéhyde
suitable for HPLC fluorimetric detection of amino acids, ≥99% (HPLC), powder or crystals
Synonyme(s) :
Dicarboxaldéhyde o-phtalique, o-Phthalaldéhyde, Benzène-1,2-dicarboxaldéhyde, OPA
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93,30 €
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About This Item
93,30 €
Produits recommandés
Niveau de qualité
Essai
≥99% (HPLC)
Forme
powder or crystals
Technique(s)
HPLC: suitable
Couleur
white to light yellow
Pf
55-58 °C
Adéquation
suitable for HPLC fluorimetric detection of amino acids
Température de stockage
2-8°C
Chaîne SMILES
O=Cc1ccccc1C=O
InChI
1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H
Clé InChI
ZWLUXSQADUDCSB-UHFFFAOYSA-N
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Application
- in the preparation of O-phthaldialdehyde reagent for analysing gentamycin content[1]
- in the preparation of reagent for determining the degree of hydrolysis of milk proteins[2]
- in the measurement of free amino acids of milk samples by O-phthaldialdehyde/N-acetyl-L-cysteine (OPA/NAC) assay[3]
- in the derivatization of putrescine samples[4]
Actions biochimiques/physiologiques
Mention d'avertissement
Danger
Mentions de danger
Classification des risques
Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3
Organes cibles
Respiratory system
Code de la classe de stockage
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
269.6 °F - closed cup
Point d'éclair (°C)
132 °C - closed cup
Équipement de protection individuelle
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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