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Acetaldehyde

CAS No.75-07-0
Chemical Name:Acetaldehyde
Synonyms:CH3CHO;FORMOL;Ethanal;MORBICID;METHANONE;Acetaldeyd;NCI-C56326;Acetaldeyde;Acetaldehyd;ALDEHYDE C1
CBNumber:CB8175809
Molecular Formula:C2H4O
Formula Weight:44.05
MOL File:75-07-0.mol
Acetaldehyde Property
Melting point : -123 °C
Boiling point : 65-82 °C
density : 0.785 g/mL at 25 °C(lit.)
vapor density : 1.03 (vs air)
vapor pressure : 52 mm Hg ( 37 °C)
FEMA : 2003
refractive index : n20/D 1.377
Fp : 133 °F
storage temp. : 2-8°C
form : solution
Water Solubility : > 500 g/L (20 ºC)
Merck : 14,39
BRN : 505984
Stability:: Stable, but air sensitive. Substances to be avoided include strong oxidizing agents, strong acids, reducing agents, alkalies, halogens, halogen oxides. Highly flammable. Vapour/air mixtures explosive over a very wide concentration range. May form peroxides in storage.
CAS DataBase Reference: 75-07-0(CAS DataBase Reference)
NIST Chemistry Reference: Acetaldehyde(75-07-0)
Safety
Hazard Codes : T,Xn,F+,F
Risk Statements : 23/24/25-34-40-43-36/37-12-67-11-41-22-10-19
Safety Statements : 36/37-33-16-26
RIDADR : UN 1198 3/PG 3
WGK Germany : 2
RTECS : LP8925000
F : 10
HazardClass : 3
PackingGroup : I
HS Code : 29121200
Hazardous Substances Data: 75-07-0(Hazardous Substances Data)

Acetaldehyde Chemical Properties,Usage,Production

Chemical Properties
Colourless clear liquid
Usage
Acetaldehyde is used as intermediate for syntheses of bulk chemicals, e.g. ethyl acetate, acetic acid, acetic anhydride, isooctylalcohol, pentaerythrite, pyridines, etc. For specific dyes, e.g. C.I. 46040 Basic Yellow 9. Product Data Sheet
Usage
Acetaldehyde is used as a general solvent in organic and polymer chemical reactions. It also plays a role in fruit and food quality, ripening and deterioration.
General Description
A clear colorless liquid with a pungent choking odor. Flash point -36°F. Boiling point 69°F. Density 6.5 lb / gal. Vapors are heaver than air and irritate the mucous membranes and especially the eyes. Used to make other chemicals.
Air & Water Reactions
Highly flammable. Easily oxidized by air to form unstable peroxides which may explode. Forms explosive mixture with air above 100°C (30-60% of the vapor in air) owing to formation of peroxyacetic acid [White, A. G. et al., J. Soc. Chem. Ind., 1950, 69, p. 206]. Soluble in water.
Reactivity Profile
Acetaldehyde undergoes a vigorously exothermic condensation reaction in contact with strong acids, bases or traces of metals. Can react vigorously with oxidizing reagents such as dinitrogen pentaoxide, hydrogen peroxide, oxygen, silver nitrate, etc. Contamination often leads either to reaction with the contaminant or polymerization, both with the evolution of heat. Can react violently with acid anhydrides, alcohols, ketones, phenols, ammonia, hydrogen cyanide, hydrogen sulfide, halogens, phosphorus, isocyanates, concentrated sulfuric acid, and aliphatic amines. Reactions with cobalt chloride, mercury(II) chlorate or perchlorate form sensitive, explosive products [Sax, 9th ed., 1996, p. 5]. An oxygenation reaction of Acetaldehyde in the presence of cobalt acetate at -20°C exploded violently when stirred. The event was ascribed to peroxyacetate formation [Phillips B. et al., J. Am. Chem. Soc., 1957, 79, p. 5982].
Health Hazard
Breathing vapors will be irritating and may cause nausea, vomiting, headache, and unconsciousness. Contact with eyes may cause burns and eye damage. Skin contact from clothing wet with the chemical causes burns or severe irritation.
Acetaldehyde Preparation Products And Raw materials
Raw materials
COPPER ALLOYS SET OF 5 DISCS (35 MM DIAM., 2 MM THICKNESS) Calcium formate Nitrogen Etanol Oxygen Palladium chloride Hydrochloric acid Calcium acetate
Preparation Products
Methomyl Glyoxal (S)-2-AMINO-3-(6-METHOXY-1H-INDOL-3-YL)-PROPIONIC ACID METHYL PENT-4-YN-2-YLCARBAMATE Sorbic acid 2,4-Dimethylimidazole MONOMETHYL 3-METHYLGLUTARATE PENT-3-YN-2-AMINE BENZANILIDE Paraldehyde Methylthioacetaldoxime 2-METHYL-1,3-DITHIANE 2-AMINOPROPANENITRILE Metronidazole Acetal 2-Methylimidazole BANISTERINE MONOHYDRATE Pentaerythritol Acetic acid glacial Thiodicarb Metaldehyde
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75-07-0(Acetaldehyde)Related Search:
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Acetaldehyd acetaldehyde(ethanal) Acetaldeyd Acetaldeyde Acetylaldehyde Aldehyde acetique aldehydeacetique Aldeide acetica aldeideacetica CH3CHO methanecarbaldehyde NCI-C56326 Octowy aldehyd octowyaldehyd Rcra waste number U001 rcrawastenumberu001 METHYL ALDEHYDE METHANONE FORMALDEHYDE DEVELOPING SOLUTION FORMALDEHYDE SOLUTION FORMALDEHYDI FORMALIN NEUTRAL BUFFER FORMALIN, NEUTRAL FORMALIN, CARSONS FORMALDEHYDE, CARSON-MILLON FORMALDEHYDE, BUFFERED FORMALDE-FRESH SOLUTION, BUFFERED FORMALDE-FRESH SOLUTION FORMALDE-FRESH FORMOL FORMIC ALDEHYDE FORMALIN NEUTRAL SODIUM SALT FORMALIN, NEUTRAL BUFFERED ALDEHYDE C1 75-07-0 Carcinogens Carboxylic Acid Salts Chiral Building Blocks BioChemika Ultra Biological Buffers Asymmetric Synthesis C1 to C6 Carbonyl Compounds Cancer Research Carbohydrates Building Blocks Biochemicals and Reagents Analytical Standards Analytical Reagents BioChemical Analytical Chromatography Product Catalog Aldehydes Alphabetic PHARMALINK COUPLING REAGENT NBF FIXATIVE MORBICID MILDFORM(R) 20NM MILDFORM(R) 20N
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