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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147141
Naphthalin
99%
Synonym(e):
Naphthalin, Tar Camphor, White Tar
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| Größe/SKU | Verfügbarkeit | Preis |
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Über diesen Artikel
vapor density
4.4 (vs air)
Quality Segment
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
SMILES string
c1ccc2ccccc2c1
InChI
1S/C10H8/c1-2-6-10-8-4-3-7-9(10)5-1/h1-8H
InChI key
UFWIBTONFRDIAS-UHFFFAOYSA-N
Gene Information
human ... CYP1A2(1544)
General description
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| description 99% | description Pharmaceutical Secondary Standard; Certified Reference Material | description certified reference material, 5000 μg/mL in methanol | description analytical standard |
| assay 99% | assay - | assay - | assay - |
| solubility methanol: soluble 50 mg/mL, clear, colorless | solubility - | solubility - | solubility - |
| Quality Level 200 | Quality Level 300 | Quality Level 300 | Quality Level 100 |
| form crystals, flakes | form - | form - | form - |
| bp 218 °C (lit.) | bp 218 °C (lit.) | bp - | bp 218 °C (lit.) |
| mp 80-82 °C (lit.) | mp 80-82 °C (lit.) | mp - | mp 79-81 °C (±0.3°C), 80-82 °C (lit.) |
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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
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
Zulassungslistungen
Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.
91-20-3
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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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