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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70480
α-Naphtholbenzein
Synonym(e):
α,α-Bis-(4-hydroxy-1-naphthyl)-benzylalkohol
Größe auswählen
| Packungsgröße | SKU | Verfügbarkeit | Preis |
|---|---|---|---|
| 10 g | Warenkorb auf Verfügbarkeit prüfen | € 120,00 | |
| 50 g | Warenkorb auf Verfügbarkeit prüfen | € 440,00 |
form
powder
Quality Level
technique(s)
UV/Vis spectroscopy: suitable
mp
230-235 °C (lit.)
SMILES string
Oc1ccc(\C(c2ccccc2)=C3\C=CC(=O)c4ccccc34)c5ccccc15
InChI
1S/C27H18O2/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28H/b27-24-
InChI key
VDDWRTZCUJCDJM-PNHLSOANSA-N
General description
Application
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| technique(s) UV/Vis spectroscopy: suitable | technique(s) titration: suitable | technique(s) UV/Vis spectroscopy: suitable, titration: suitable | technique(s) UV/Vis spectroscopy: suitable |
| form powder | form powder | form solid | form - |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
| mp 230-235 °C (lit.) | mp 230-235 °C (lit.) | mp 248-254 °C, 251-253 °C (lit.) | mp - |
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hcodes
pcodes
Hazard Classifications
Aquatic Chronic 4
Lagerklasse
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 70480-10G | 04061835294282 |
| 70480-50G | 04061835294299 |
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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