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
02486
Pyridine
analytical standard
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 1 mL | Check Cart for Availability | $45.50 |
About This Item
grade
analytical standard
Quality Level
vapor density
2.72 (vs air)
vapor pressure
10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C)
assay
≥99.9% (GC)
autoignition temp.
899 °F
shelf life
limited shelf life, expiry date on the label
expl. lim.
12.4 %
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
refractive index
n20/D 1.509 (lit.), n20/D 1.510
bp
115 °C (lit.)
mp
−42 °C (lit.)
density
0.978 g/mL at 25 °C (lit.)
application(s)
cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
personal care
format
neat
SMILES string
C1=CN=CC=C1
InChI
1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
InChI key
JUJWROOIHBZHMG-UHFFFAOYSA-N
General description
Application
1 of 1
This Item | |||
|---|---|---|---|
| grade analytical standard | grade certified reference material, pharmaceutical secondary standard | grade ACS reagent | grade ACS reagent |
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) - | technique(s) - |
| application(s) cleaning products | application(s) pharmaceutical (small molecule) | application(s) - | application(s) - |
| assay ≥99.9% (GC) | assay - | assay ≥99.0% | assay ≥99.0% |
| format neat | format neat | format - | format - |
| shelf life limited shelf life, expiry date on the label | shelf life - | shelf life - | shelf life - |
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
68.0 °F - closed cup
flash_point_c
20 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 157163-10G | 04061838743237 |
| 02486-1ML | 04061838617569 |
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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?
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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