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
147141
Naphthalin
99%
Synonym(e):
Naphthalin, Tar Camphor, White Tar
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Produktname
Naphthalin, 99%
InChI key
UFWIBTONFRDIAS-UHFFFAOYSA-N
InChI
1S/C10H8/c1-2-6-10-8-4-3-7-9(10)5-1/h1-8H
SMILES string
c1ccc2ccccc2c1
vapor density
4.4 (vs air)
vapor pressure
0.03 mmHg ( 25 °C)
assay
99%
form
crystals
flakes
autoignition temp.
978 °F
expl. lim.
5.9 %
bp
218 °C (lit.)
mp
80-82 °C (lit.)
solubility
methanol: soluble 50 mg/mL, clear, colorless
Quality Level
Gene Information
human ... CYP1A2(1544)
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Dieser Artikel | 184500 | PHR1275 | 8.20846 |
|---|---|---|---|
| assay 99% | assay ≥99% | assay - | assay ≥99.0% (GC) |
| solubility methanol: soluble 50 mg/mL, clear, colorless | solubility methanol: soluble 50 mg/mL, clear, colorless | solubility - | solubility slightly soluble ≥0.038 g/L |
| Quality Level 200 | Quality Level 100 | Quality Level 300 | Quality Level 200 |
| mp 80-82 °C (lit.) | mp 80-82 °C (lit.) | mp 80-82 °C (lit.) | mp 79-82 °C |
| bp 218 °C (lit.) | bp 218 °C (lit.) | bp 218 °C (lit.) | bp 218 °C/1013 hPa |
| form crystals, flakes | form crystals, flakes | form - | form solid |
Application
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Flam. Sol. 2
Lagerklasse
4.1B - Flammable solid hazardous materials
wgk
WGK 3
flash_point_f
173.3 °F - closed cup
flash_point_c
78.5 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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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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