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Home > Products >  Acetaldehyde

Acetaldehyde CAS NO.75-07-0

  • Min.Order: 1 Kilogram
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  • ProName: Acetaldehyde
  • CasNo: 75-07-0
  • Molecular Formula: C2H4O
  • Appearance: clear, colorless liquid
  • Application: Acetaldehyde is used as intermediate f...
  • DeliveryTime: 15 days after order confirmed
  • PackAge: 1kg/bag, 1kg/drum or 25kg/drum or as p...
  • Port: Shanghai, Ningbo, Tianjin, etc
  • ProductionCapacity: 1 Metric Ton/Month
  • Purity: 99%
  • Storage: Stored in cool, dry and ventilation pl...
  • Transportation: by courier door to door or by sea
  • LimitNum: 1 Kilogram

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acetaldehyde chemical properties
mp  -123 °c
bp  65-82 °c
density  1.09 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 information
hazard codes  t,xn,f+,f
risk statements  23/24/25-34-40-43-36/37-12-67-11-41-22-10
safety statements  36/37-33-16-26
ridadr  un 1198 3/pg 3
wgk germany  2
rtecs  lp8925000
10
hazardclass  3
packinggroup  i
hs code  29121200
hazardous substances data 75-07-0(hazardous substances data)
msds information
provider language
ethanal english
sigmaaldrich english
acros english
alfa english
 
acetaldehyde usage and synthesis
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.

 

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