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.pdf
214027
1,2,3,4,5-Pentamethylcyclopentadiene
95%
Synonym(s):
1,2,3,4,5-Pentamethyl-1,3-cyclopentadiene
About This Item
Recommended Products
Quality Level
Assay
95%
refractive index
n20/D 1.474 (lit.)
bp
58 °C/13 mmHg (lit.)
density
0.87 g/mL at 25 °C (lit.)
SMILES string
CC1C(C)=C(C)C(C)=C1C
InChI
1S/C10H16/c1-6-7(2)9(4)10(5)8(6)3/h6H,1-5H3
InChI key
WQIQNKQYEUMPBM-UHFFFAOYSA-N
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General description
Application
- Growth modifier chemical, during metal organic chemical vapour deposition of iron from iron pentacarbonyl.[5]
- Ligand in "one-pot" iridium-catalyzed transformation of alcohols to amides via the intermediacy of oximes.[6]
- Raw material for the synthesis of [Cp*Rh(bpy)H2O]2+ (Cp* = pentamethylcyclopentadienyl, bpy = 2,2′-bipyridyl), an electron mediator in the regeneration process of NADH.[7]
Signal Word
Warning
Hazard Statements
Hazard Classifications
Flam. Liq. 3
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
111.2 °F - closed cup
Flash Point(C)
44 °C - closed cup
Personal Protective Equipment
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The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.
The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.
The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.
The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.
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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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