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5436-21-5 - Acetylacetaldehyde dimethyl acetal, tech. 90% - Acetoacetaldehyde dimethyl acetal - 4,4-Dimethoxy-2-butanone - A12058 - Alfa Aesar

A12058 Acetylacetaldehyde dimethyl acetal, tech. 90%

CAS Number
5436-21-5
Synonyms
Acetoacetaldehyde dimethyl acetal
4,4-Dimethoxy-2-butanone

Size Price ($) Quantity Availability
100g 39.04
250g 92.08
1000g 299.73
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Acetylacetaldehyde dimethyl acetal, tech. 90%

MDL
MFCD00008789
EINECS
226-605-1

Chemical Properties

Formula
C6H12O3
Formula Weight
132.16
Melting point
-83°
Boiling Point
170-172°
Flash Point
57°(134°F)
Density
0.996
Refractive Index
1.4150
Solubility
Miscible with alcohol. Immiscible with water.

Applications

Acetaldehyde dimethyl acetal is used as a flavoring agent. It is also used in the preparation of (R)-4,4-dimethoxy-2-butanol, pyrazoles and pyrimidines. Further, it is used in the preparation of N,N-diethyl-[2-(4-fluorophenyl)-5-methylpyrazolo[1,5-a]-pyrimidin-3-yl]acetamide and acetoacetaldehyde.

Notes

Incompatible with acids and strong oxidizing agents

Literature References

Protected form of the keto aldehyde, useful in heterocyclic synthesis, e.g. (formamide to 4-methylpyrimidine): Org. Synth. Coll., 5, 794 (1973).

Taheri, A.; Liu, C.; Lai, B.; Cheng, C.; Pan, X.; Gu, Y. Brønsted acid ionic liquid catalyzed facile synthesis of 3-vinylindoles through direct C3 alkenylation of indoles with simple ketones. Green Chem. 2014, 16 (8), 3715-3719.

Acosta, O. B. G.; Hardt, N.; Schink, B. Carbonylation as a key reaction in anaerobic acetone activation by Desulfococcus biacutus. Appl. Environ. Microbiol. 2013, 79 (20), 6228-6235.

GHS Hazard and Precautionary Statements

Hazard Statements: H226

Flammable liquid and vapour.

Precautionary Statements: P210-P280-P240-P241-P233-P242-P243-P303+P361+P353-P403+P235-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Keep container tightly closed. Use only non-sparking tools. Take precautionary measures against static discharge. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Store in a well-ventilated place. Keep cool. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1702372
Hazard Class
3
Packing Group
III
Harmonized Tariff Code
2911.00
TSCA
Yes
RTECS
EL7592500

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