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
T71803
Pivalic acid
99%
Synonym(s):
2,2-Dimethylpropionic acid, Trimethylacetic acid
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About This Item
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vapor density
3.6 (vs air)
vapor pressure
9.75 mmHg ( 60 °C)
Assay
99%
reaction suitability
reaction type: C-H Activation
bp
163-164 °C (lit.)
mp
32-35 °C (lit.)
density
0.889 g/mL at 25 °C (lit.)
functional group
carboxylic acid
SMILES string
OC(C(C)(C)C)=O
InChI
1S/C5H10O2/c1-5(2,3)4(6)7/h1-3H3,(H,6,7)
InChI key
IUGYQRQAERSCNH-UHFFFAOYSA-N
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This Item | P42800 | 721611 | 143502 |
|---|---|---|---|
| assay 99% | assay 99% | assay 97% | assay 99% |
| reaction suitability reaction type: C-H Activation | reaction suitability - | reaction suitability - | reaction suitability - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| density 0.889 g/mL at 25 °C (lit.) | density - | density - | density 0.918 g/mL at 25 °C (lit.) |
| bp 163-164 °C (lit.) | bp - | bp - | bp 193 °C (lit.) |
| mp 32-35 °C (lit.) | mp 139-142 °C (lit.) | mp 230-232 °C | mp - |
General description
Application
- As a co-catalyst with palladium for the arylation of unactivated arenes[2] and N-heterocycles.[3]
- As an additive to facilitate the carbonylative suzuki reactions to synthesize biaryl ketones from aryl iodides and arylboronic acids by using palladium nanoparticles as catalyst.[4]
- In the cyclization reaction of benzamides with alkynes to synthesize isoquinolones in the presence of 8-aminoquinoline ligand and cobalt catalyst.[5]
Disclaimer
comparable product
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
147.2 °F - closed cup
Flash Point(C)
64 °C - closed cup
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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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