The impurities that may be present in this material have not been identified.
107360
Pyruvic acid
98%
Synonym(s):
α-Ketopropionic acid, 2-Oxopropionic acid
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| Size/SKU | Availability | Price |
|---|---|---|
25 g | Check Cart for Availability | $89.30 |
100 g | Check Cart for Availability | $236.00 |
Please contact Customer Service for Availability | $490.00 |
About This Item
Linear Formula:
CH3COCOOH
CAS Number:
Molecular Weight:
88.06
NACRES:
NA.22
PubChem Substance ID:
eCl@ss:
39021320
UNSPSC Code:
12352100
EC Number:
204-824-3
MDL number:
Beilstein/REAXYS Number:
506211
Assay:
98%
Quality Segment
assay
98%
refractive index
n20/D 1.428 (lit.)
bp
165 °C (lit.)
mp
11-12 °C (lit.)
solubility
H2O: miscible, alcohol: miscible, diethyl ether: miscible
density
1.267 g/mL at 25 °C (lit.)
functional group
carboxylic acid, ketone
storage temp.
2-8°C
SMILES string
CC(=O)C(O)=O
InChI
1S/C3H4O3/c1-2(4)3(5)6/h1H3,(H,5,6)
InChI key
LCTONWCANYUPML-UHFFFAOYSA-N
Application
Pyruvic acid was used to study the cultivation of previously undescribed soil bacteria as micro colonies using soil substrate membrane system[1]. Pyruvic acid was used to develop a new method for simultaneous determination of organic acids in red wine and must using liquid chromatography.
Biochem/physiol Actions
Pyruvic acid reacts with N-acetyl mannosamine by an aldol-type condensation to form sialic acid. Pyruvic acid is a component of commercial red seaweed polysaccharide[2]. In muscle, pyruvic acid (derived from glycogen) is reduced to lactic acid during exertion, which is reoxidized and partially retransformed to glycogen during rest.
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This Item | |||
|---|---|---|---|
| assay 98% | assay ≥97% | assay ≥95% | assay ≥98.0% (acidimetric) |
| Quality Level 200 | Quality Level 300, 400 | Quality Level 300, 400 | Quality Level 200 |
| solubility H2O: miscible, diethyl ether: miscible, alcohol: miscible | solubility - | solubility - | solubility - |
| bp 165 °C (lit.) | bp 165 °C (lit.) | bp 165 °C (lit.) | bp - |
| refractive index n20/D 1.428 (lit.) | refractive index n20/D 1.428 (lit.) | refractive index n20/D 1.428 (lit.) | refractive index - |
| density 1.267 g/mL at 25 °C (lit.) | density 1.267 g/mL at 25 °C (lit.) | density 1.267 g/mL at 25 °C (lit.) | density 1.27 g/cm3 at 20 °C |
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1C
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
183.2 °F - closed cup
flash_point_c
84 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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What are some impurities that can be found in the 98% purity pyruvic acid? The NMR spectrum of the authentic sample shows multiple peaks that are unidentifiable.
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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/418/501/product-dating-information-06-25-mk.pdfHelpful?
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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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