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Glyoxylic acid

CAS:
298-12-4
MF:
C2H2O3
MW:
74.04

Properties

Melting point:
-93°C
Boiling point:
111°C
Density 
1.33 g/mL at 20 °C
refractive index 
n20/D 1.414
Flash point:
111°C
storage temp. 
Store below +30°C.
solubility 
Miscible with ethanol. Slightly miscible with ether and benzene. Immiscible with esters.
pka
3.18(at 25℃)
Water Solubility 
miscible
Merck 
14,4511
BRN 
741891
InChIKey
HHLFWLYXYJOTON-UHFFFAOYSA-N

Safety Information

Symbol(GHS) 

GHS05,GHS07
Signal word 
Danger
Hazard statements 
H314-H290-H317-H318
Precautionary statements 
P280-P305+P351+P338+P310-P333+P313-P260h-P301+P330+P331-P303+P361+P353-P305+P351+P338-P405-P501a
Hazard Codes 
C,Xi
Risk Statements 
34-43-41
Safety Statements 
26-36/37/39-45-37/39-24
RIDADR 
UN 3265 8/PG 2
WGK Germany 
1
RTECS 
MD4550000
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29183000

Use

GLYOXYLIC ACID is a carboxylic acid. Preparative hazard, nitric acid and glyoxal to produce glyoxylic acid has had explosive consequences. Carboxylic acids donate hydrogen ions if a base is present to accept them. They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called neutralizations, are accompanied by the evolution of substantial amounts of heat. Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water. Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt. Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry. Even insoluble carboxylic acids may absorb enough water from the air and dissolve sufficiently in Glyoxylic acid to corrode or dissolve iron, steel, and aluminum parts and containers. Carboxylic acids, like other acids, react with cyanide salts to generate gaseous hydrogen cyanide. The reaction is slower for dry, solid carboxylic acids. Insoluble carboxylic acids react with solutions of cyanides to cause the release of gaseous hydrogen cyanide. Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides. Carboxylic acids, especially in aqueous solution, also react with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Their reaction with carbonates and bicarbonates generates a harmless gas (carbon dioxide) but still heat. Like other organic compounds, carboxylic acids can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. A wide variety of products is possible. Like other acids, carboxylic acids may initiate polymerization reactions; like other acids, they often catalyze (increase the rate of) chemical reactions.

288 supplier list of "Glyoxylic acid"

  • Product Name:Glyoxylic acid
  • Products Intro:Purity: 99.5% | Package: 1KG;2USD
  • Company Type: Reagent
  • Country/Region: CHINA
  • Product Name:glyoxylic acid
  • Products Intro:Purity: 99% | Package: 5KG;1KG | CustNote: C2H2O3
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: Apis

    $10.00/ 200Kg/Drum

  • Product Name:Glyoxylic acid
  • Products Intro:Purity: 99.5% | Package: 200Kg/Drum;10USD | CustNote: /
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: 5337-93-9,90-43-7,6285-05-8,75-36-5,1009-14-9

    $0.00/ 25Kg/Bag

  • Product Name:Glyoxylic acid 50%
  • Products Intro:Purity: 99% up, High Density|Package: 25Kg/Bag;0.00USD
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: polypeptides,Prostaglandins series

    $0.00/ 200Kg/Drum

  • Product Name:Glyoxylic acid
  • Products Intro:Purity: 995 | Package: 200Kg/Drum;USD
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: Carbohydrazide,o-Phthalaldehyde,4-hydroxy tempo,Sodium tetraphenylborate,Terephthalaldehyde
  • Product Name:Glyoxylic acid
  • Products Intro:Purity: 99% | Package: 100g,500g,1KG,10KG,100KG
  • Company Type: Reagent
  • Country/Region: CHINA
  • Main Products: Speciality Chemicals
  • Product Name:298-12-4
  • Products Intro:Purity: 0.99 | Package: 25KG,5KG;1KG;500G
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Glyoxylic acid
  • Products Intro:Purity: As coa | Package: As request | CustNote: 8013-01-2
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Glyoxylic acid
  • Products Intro:Purity: 50% | Package: g-Kg
  • Company Type: Reagent
  • Country/Region: CHINA

    $150.00/ 1KG

  • Product Name:Glyoxylic acid
  • Products Intro:Purity: 99|Package: 1KG;150USD
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: phenactin,4-Methylpropiophenone 5337-93-9,288573-56-8,443998-65-0

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