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
8.20846
Naphthalene
for synthesis
Synonym(s):
Naphthalene
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About This Item
vapor pressure
0.072 hPa ( 20 °C)
Quality Level
assay
≥99.0% (GC)
form
solid
autoignition temp.
540 °C
potency
>2500 mg/kg LD50, skin (Rat)
expl. lim.
0.9-5.9 % (v/v)
bp
218 °C/1013 hPa
mp
79-82 °C
transition temp
flash point 79 °C
solubility
slightly soluble ≥0.038 g/L
density
1.085 g/cm3 at 20 °C
bulk density
550‑600 mg/m3
storage temp.
2-30°C
SMILES string
c21c(cccc2)cccc1
InChI
1S/C10H8/c1-2-6-10-8-4-3-7-9(10)5-1/h1-8H
Inchi Key
UFWIBTONFRDIAS-UHFFFAOYSA-N
Analysis Note
Melting range (lower value): ≥ 79 °C
Melting range (upper value): ≤ 82 °C
Identity (IR): passes test
signalword
Warning
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Flam. Sol. 2
Storage Class
4.1B - Flammable solid hazardous materials
wgk_germany
WGK 3
flash_point_f
173.3 °F - closed cup
flash_point_c
78.5 °C - closed cup
Certificates of Analysis (COA)
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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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