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B24988 Pyruvic aldehyde dimethyl acetal, 97+%

CAS Number
6342-56-9
Synonyms
Methylglyoxal dimethyl acetal
1,1-Dimethoxyacetone

Stock No. Size Price ($) Quantity Availability
B24988-22 100g 42.50
B24988-36 500g 135.00
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Pyruvic aldehyde dimethyl acetal, 97+%

MDL
MFCD00008758
EINECS
228-735-4

Chemical Properties

Formula
CH3COCH(OCH3)2
Formula Weight
118.13
Melting point
-57°
Boiling Point
133-135°
Flash Point
34°(93°F)
Density
0.998
Refractive Index
1.3980
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in water. 350 g/L at 20°C.

Applications

Pyruvic aldehyde dimethyl acetal was used in the synthesis of methylglyoxal via hydrolysis in the presence of H2SO4. It was used to investigate the effects of methylglyoxal-mediated glycation on the structure, thermal stability and enzyme activity of yeast enolase in vivo.

Notes

Do not store together with acids. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

Literature References

K Ispolnov; R A Gomes; M S Silva; A P Freire. Extracellular methylglyoxal toxicity in Saccharomyces cerevisiae: role of glucose and phosphate ions. Proceedings of the Society of Agricultural Bacteriologists.2008, 104, (4), 1092-1102.

Ricardo A Gomes; Marta Sousa Silva; Hugo Vicente Miranda; António E N Ferreira; Carlos A A Cordeiro; Ana Ponces Freire. Protein glycation in Saccharomyces cerevisiae. Argpyrimidine formation and methylglyoxal catabolism. FEBS Journal.2005, 272, (17), 4521-4531.

The cyclohexylimine or the N,N-dimethylhydrazone can be lithiated at the methyl group with LDA to give useful synthetic species capable of alkylation, etc.: Synthesis, 198 (1977). For a review of the alkylation of nitrogen derivatives of carbonyl compounds, see: Synthesis, 517 (1983).

GHS Hazard and Precautionary Statements

Hazard Statements: H226-H315-H319

Flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation.

Precautionary Statements: P210-P233-P240-P241-P242-P243-P264b-P280-P303+P361+P353-P305+P351+P338-P332+P313-P337+P313-P363-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wash face, hands and any exposed skin thoroughly after handling Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
1560557
Hazard Class
3
Packing Group
III
Harmonized Tariff Code
2914.50
TSCA
Yes

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