Glyoxal 40% is marketed as a bulk product as a 40% aqueous solution.
Glyoxal 40% refers to a solution of glyoxal in water where glyoxal constitutes 40% of the solution by weight.
Glyoxal 40% is a chemical compound with the molecular formula C2H2O2, also known as ethanedial or oxalaldehyde.
CAS Number: 107-22-2
Molecular Formula: C2H2O2
Molecular Weight: 58.04
EINECS Number: 203-474-9
Synonyms: GLYOXAL, 107-22-2, Ethanedial, Oxalaldehyde, oxaldehyde, 1,2-Ethanedione, Biformyl, Diformyl, Glyoxylaldehyde, Biformal, Diformal, Oxal, Aerotex glyoxal 40, Glyoxal aldehyde, Ethanedione, CCRIS 952, Ethandial, HSDB 497, DTXSID5025364, Glyoxal, 29.2%, EINECS 203-474-9, ethane-1,2-dial, UNII-50NP6JJ975, BRN 1732463, CHEBI:34779, AI3-24108, 50NP6JJ975, Ethanedial, trimer, DTXCID505364, EC 203-474-9, 4-01-00-03625 (Beilstein Handbook Reference), MFCD00006957, NCGC00091228-01, GLYOXAL (MART.), GLYOXAL [MART.], Glyoxal, 40%, CAS-107-22-2, Ethane-1,2-dione, ODIX, 40094-65-3, Glyoxal, 40% in water, ethane dial, (oxo)acetaldehyde, Protectol GL 40, glyoxal (ethanedial), oxalic acid dihydride, hydroxymethylene ketone, GOHSEZAL P, GLYOXAL [HSDB], GLYOXAL [INCI], GLYOXAL [MI], PERMAFRESH 114, GLYOXAL [WHO-DD], DAICEL GY 60, GLYFIX CS 50, BIDD:ER0284, (CHO)2, GLYOXAL, 40% SOLUTION, Glyoxal, Biformyl, Oxalaldehyde, CHEMBL1606435, Glyoxal, 40% w/w aq. soln., STR01281, Tox21_111105, Tox21_202517, Glyoxal (5% in 250mL in H2O), NSC262684, AKOS000119169, NSC-262684, NCGC00260066-01, 63986-13-0, for molecular biology,40% in H2O(8.8 M), G0152, NS00003526, EN300-19156, Glyoxal (40% w/w in H2O) (Technical Grade), Q413465, J-001740, F2191-0152
Glyoxal 40% is a dialdehyde, meaning it contains two aldehyde groups (−CHO) on adjacent carbon atoms.
Glyoxal 40% occurs as a trace gas in the atmosphere, as a breakdown product of hydrocarbons.
The tropospheric concentrations are usually 0-200 pptv, in polluted regions up to 1 ppbv.
Glyoxal 40% is an organic compound with the chemical formula OCHCHO.
Glyoxal 40% is the smallest dialdehyde (a compound with two aldehyde groups).
Glyoxal 40% is a crystalline solid, white at low temperatures and yellow near the melting point (15 °C).
The liquid is yellow, and the vapor is green.
Pure glyoxal is not commonly encountered because Glyoxal 40% is usually handled as a 40% aqueous solution (density near 1.24 g/mL).
Glyoxal 40% forms a series of hydrates, including oligomers.
For many purposes, these hydrated oligomers behave equivalently to Glyoxal 40%.
In disinfection applications, Glyoxal 40% is a biocidal active ingredient.
Finally, Glyoxal 40% can be used in wood hardening application for improved moisture resistance.
Glyoxal 40% is used as a crosslinking agent for cellulose fibers in wrinkle-resistant finishes for textiles and garments.
Glyoxal 40% is employed as a paper sizing agent to improve the wet strength and dimensional stability of paper products.
Glyoxal 40% serves as a crosslinking agent in adhesives and binders, enhancing their strength and durability.
Glyoxal 40% exhibits biocidal properties and is used as a preservative and disinfectant in various products, including water treatment formulations and personal care products.
Glyoxal 40% is utilized in the synthesis of various organic compounds, including pharmaceuticals, agrochemicals, and specialty chemicals.
Glyoxal 40% has been observed as a trace gas in the atmosphere, e.g. as an oxidation product of hydrocarbons.
Tropospheric concentrations of 0–200 ppt by volume have been reported, in polluted regions up to 1 ppb by volume.
Glyoxal 40% solution of glyoxal in water.
Glyoxal 40% is a linear aliphatic dialdehyde containing two aldehyde groups.
Glyoxal 40% participates in the synthesis of glyoxylic acid.
Glyoxal 40% is highly reactive in nature.
Glyoxal 40% can be prepared by oxidizing ethanol or acetaldehyde with nitric acid.
Glyoxal 40% is widely employed in textile and paper industry.
Glyoxal 40% solution Cas No: 107-22-2 is the simplest dual aldehyde, the molecular formula is OHCCHO and the molecular weight is 58.
Pure Glyoxal 40% monomer is achromatic or light yellow crystal or liquid, with a proportion (d20 °C ) 1.26, melting points 15°C , boiling point 50.5 °C and refractive index 1.3826.
The glyoxal steam is green, when burning, it sends out purple flame.
Glyoxal 40% solution can dissolve in water, aether and ethaol. Industrial glyoxal usually exists in watery solution by about 40% water content.
Besides the reaction nature of all the aldehyde, Glyoxal 40% has special chemical property for its two coordinate functional groups.
The reaction of Glyoxal 40% watery solution is same with that of the single molecular glyoxal.
Glyoxal 40% is commonly used as a crosslinking agent in the production of crosslinked polymers and resins.
In applications such as polymer modification, Glyoxal 40% solution is added to polymer formulations to create crosslinks between polymer chains, improving the mechanical
properties and stability of the resulting materials.
In the leather industry, Glyoxal 40% solution is employed in the tanning process as a crosslinking agent for collagen fibers in animal hides.
Glyoxal 40% helps improve the strength, flexibility, and resistance of leather products to moisture and heat.
Glyoxal 40% has historical significance in the field of photography, where it was used as a fixing agent in the development of black-and-white photographs.
Its ability to react with silver halide crystals on photographic film helps stabilize the image and prevent fading.
Glyoxal 40% and its derivatives have been studied for various biomedical applications, including tissue engineering, drug delivery systems, and medical implants.
In particular, Glyoxal 40% solution may be used in the preparation of biomaterials with enhanced biocompatibility and mechanical properties.
Glyoxal 40% is utilized in analytical chemistry techniques such as spectrophotometry and chromatography as a reagent for the determination of various compounds.
Its ability to form stable complexes with certain analytes makes it useful in quantitative analysis and separation techniques.
While Glyoxal itself is not commonly used directly in food products, it may be present as a residual component in food packaging materials or as a processing aid in certain food manufacturing processes.
Its use in food-contact materials is subject to regulatory approval and compliance with food safety standards.
Glyoxal 40% solution are also utilized in research laboratories and academic institutions for various scientific investigations and experiments.
They serve as versatile reagents in organic synthesis, chemical modification, and material science studies.
Glyoxal 40% solution is commonly used as a preservative in personal care and cosmetic products.
Its antimicrobial properties help inhibit the growth of bacteria, fungi, and other microorganisms, thereby extending the shelf life of products such as shampoos, lotions, and creams.
In the textile industry, Glyoxal 40% solution is applied as a finishing agent to enhance the properties of fabrics.
Glyoxal 40% can impart wrinkle resistance, crease recovery, and color fastness to textiles, making them more durable and aesthetically pleasing.
Glyoxal 40% solution is utilized in water treatment applications to control microbial growth and prevent biofouling in water systems.
Glyoxal 40% effectively disinfects and sterilizes water, making it suitable for use in industrial processes, swimming pools, and cooling towers.
Glyoxal 40% is produced industrially as a precursor to many products.
Glyoxal 40% was first prepared and named by the German-British chemist Heinrich Debus by reacting ethanol with nitric acid.
Glyoxal 40% is prepared either by the gas-phase oxidation of ethylene glycol in the presence of a silver or copper catalyst (the Laporte process) or by the liquid-phase oxidation of acetaldehyde with nitric acid.
Glyoxal 40% is a colorless to pale yellow and transparent liquid which boils at 104°C.
Glyoxal 40% is most widely used as a cross-linking agent in the production of permanent press resins for textiles, of moisture resistant glues and adhesives, as well as moisture resistant foundry binders.
Glyoxal 40% is also used to improve the wet strength of paper and the moisture resistance of leather.
Glyoxal 40% is used to prepare 4,5-dihydroxy-2-imidazolidinone by condensation with urea.
Glyoxal 40% finds application in leather tanning process, textile finishes and paper coatings.
Glyoxal 40% is an important building block in the synthesis of imidazoles.
Glyoxal 40% acts as a solubilizer and cross-linking agent in polymer chemistry.
Further, Glyoxal 40% is used as a fixative for histology to preserve cells in order to examine under a microscope.
Glyoxal 40% is used to produce glycoluril based amino crosslinking resins for powder coatings, liquid can and coil coatings.
Glyoxal 40% emits less formaldehyde and produce more flexible films compared to other amino crosslinkers.
Glyoxal 40% is a building block for the glycidated phenol compound (tetraglycidyl ether of tetrakis(4-hydroxyphenyl) ethane).
This increases stability in epoxy laminates and molding compounds.
The sulfur scavenging property of Glyoxal 40% to act as a H2S scavenger and glyoxal-crosslinked polymers (hydrocolloids) can be used to improve viscosity in oil-drilling fluids.
Polymers crosslinked with Glyoxal are used to enhance the wet/dry strength and enable the efficient coating of paper.
In cosmetics, Glyoxal 40%-crosslinked polymers (hydrocolloids) improves the viscosity.
As a crosslinker, Glyoxal is used in antiwrinkle and softening polymer.
Glyoxal 40% is also used as a crosslinker in leather tanning processes
The biocidal effect of glyoxal is used in water treatment
Glyoxal 40% is used to crosslink a wide range of other polymers, including starch, cellulose, proteinaceous material, polyacrylamide and polyvinyl alcohols.
Glyoxal 40% is the dialdehyde that is the smallest possible and which consists of ethane having oxo groups on both carbons.
Glyoxal 40% has a role as a pesticide, an agrochemical, an allergen and a plant growth regulator.
Glyoxal 40% is a colorless to yellow liquid that brings versatile properties to many applications.
Glyoxal 40% is used to produce glycoluril based amino crosslinking resins for powder coatings, liquid can and coil coatings.
Glyoxal 40% emits less formaldehyde and produce more flexible films compared to other amino crosslinkers.
Due to its bifunctionality, Glyoxal 40% serves as a versatile chemical intermediate with numerous applications.
Hence often encountered as a light yellow liquid with a weak sour odor.
Vapor has a green color and burns with a violet flame.
Glyoxal 40% is an organic chemical compound from the substance group of aldehydes.
Melting point: -14 °C
Boiling point: 104 °C
Density: 1.265 g/mL at 25 °C
vapor density: >1 (vs air)
vapor pressure: 18 mm Hg ( 20 °C)
refractive index: n20/D 1.409
Flash point: 104°C
storage temp.: 2-8°C
solubility: water: soluble(lit.)
form: Liquid
color: Clear colorless to yellow
Odor: yel. crystals or lt. yel. liq., mild odor
Water Solubility: miscible
Merck: 14,4509
BRN: 1732463
Exposure limits ACGIH: TWA 0.1 mg/m3
Stability: Stability Combustible. Incompatible with strong oxidizing agents. Strong reducing agent. May polyermize exothermically. Incompatible with air, water, oxygen, peroxides, amides, amines, hydroxy-containing materials, nitric acid, aldehydes. Corrodes many metals.
InChIKey: LEQAOMBKQFMDFZ-UHFFFAOYSA-N
LogP: -1.15 at 20℃
Glyoxal 40% may be synthesized in the laboratory by oxidation of acetaldehyde with selenious acid or by ozonolysis of benzene.
Anhydrous Glyoxal 40% is prepared by heating solid glyoxal hydrate(s) with phosphorus pentoxide and condensing the vapors in a cold trap.
Advanced glycation end-products (AGEs) are proteins or lipids that become glycated as the result of a high-sugar diet.
They are a bio-marker implicated in aging and the development, or worsening, of many degenerative diseases, such as diabetes, atherosclerosis, chronic kidney disease, and Alzheimer's disease.
Guanine bases in DNA can undergo non-enzymatic glycation by Glyoxal 40% to form glyoxal-guanine adducts.
These adducts may then produce DNA crosslinks. Glycation of DNA may also lead to mutation, breaks in DNA and cytotoxicity.
In humans, Glyoxal 40%-glycated nucleotides can be repaired by the protein DJ-1 also known as Park7.
Glyoxal 40% is a raw material for organic synthesis.
Imidazole was synthesized by the reaction of Glyoxal 40% with formaldehyde and ammonium sulfate, and then imidazole antifungal drugs such as clotrimazole and miconazole were synthesized.
Benzopyrazine, an intermediate of pyrazinamide, an anti-tuberculosis drug, is obtained by cyclization of Glyoxal 40% with o-phenylenediamine.
Glyoxal 40% is also used to synthesize berberine hydrochloride and the sulfa drug sulfamethoxypyrazine.
Glyoxal 40% is supplied typically as a 40% aqueous solution.
Like other small aldehydes, glyoxal forms hydrates.
Furthermore, the hydrates condense to give a series of oligomers, some of which remain of uncertain structure.
For most applications, the exact nature of the species in solution is inconsequential.
At least one hydrate of Glyoxal 40% is sold commercially, glyoxal trimer dihydrate: [(CHO)2]3(H2O)2 (CAS 4405-13-4).
Other Glyoxal 40% equivalents are available, such as the ethylene glycol hemiacetal 1,4-dioxane-trans-2,3-diol (CAS 4845-50-5, m.p. 91–95 °C).
Glyoxal 40% is estimated that, at concentrations less than 1 M, glyoxal exists predominantly as the monomer or hydrates thereof, i.e., OCHCHO, OCHCH(OH)2, or (HO)2CHCH(OH)2.
At concentrations above 1 M, dimers predominate.
These dimers are probably dioxolanes, with the formula [(HO)CH]2O2CHCHO.
Dimer and trimers precipitate as solids from cold solutions.
The industrial Glyoxal 40% solution Cas No: 107-22-2 usually exists by watery solution of 40% content.
Glyoxal 40% is an important fine chemical product which is widely used in medicine and agriculture.
Its sub-products include: 2- methyl imidazole, imidazole, 2- methyl -5- nitryl imidazole, meth-nitrylzole, dimeizole, clotrimazole.
Glyoxal 40% also includes glyoxalic acid with its sub-products of hordenine glycine, hordenine mattress, hordenine ethanoic acid and so on.
Glyoxal 40% also can be applied in papermaking, spinning and weaving, leather processing, dying, water treatment, building materials and etc.
Glyoxal 40% is a colorless transparent liquid or liquid with low chroma.
Glyoxal 40% can be dissolved in water, slightly soluble in ethanol, and aether, somewhat soluble in esters, and aromatic solvents.
Due to its antimicrobial properties, Glyoxal 40% solution is incorporated into hygiene products such as hand sanitizers, disinfectant wipes, and surface cleaners.
Glyoxal 40% helps eliminate harmful germs and pathogens, promoting cleanliness and hygiene.
Glyoxal 40% solution is employed in metal surface treatment processes to provide corrosion protection and improve surface adhesion for subsequent coatings or treatments.
Glyoxal 40% forms a thin, protective film on metal surfaces, preventing oxidation and corrosion.
In addition to improving the wet strength of paper, Glyoxal 40% solution is used in paper sizing applications to enhance the printability and ink absorption of paper products.
Glyoxal 40% helps minimize ink bleeding and feathering, resulting in high-quality printed materials.
Glyoxal 40% solution finds applications in the oil and gas industry for pipeline cleaning, corrosion inhibition, and scale control.
Glyoxal 40% helps maintain the integrity of pipelines and equipment, prolonging their service life and reducing maintenance costs.
Glyoxal 40% solution is utilized in electroplating processes as a leveling agent and brightener to improve the uniformity and brightness of metal coatings.
Glyoxal 40% aids in achieving smooth and lustrous metal finishes with minimal defects.
Glyoxal 40% solution can be used in wood preservation treatments to protect against decay, mold, and insect infestation.
Glyoxal 40% penetrates the wood fibers and forms a durable barrier, extending the lifespan of wooden structures and furniture.
Glyoxal 40% is a fine chemical product with a wide range of applications.
Glyoxal 40% is mainly used in chemicals, medicine, paper making, flavor, coating, adhesive, daily-use chemicals, etc.
Glyoxal 40% solutions can be directly synthesized into imidazole, 2-methylimidazole, glyoxalic acid, textile finishing agent, iron-free resin and paper-making auxiliaries, etc.
The first commercial glyoxal source was in Lamotte, France, started in 1960.
The single largest commercial source is BASF in Ludwigshafen, Germany, at around 60,000 tons per year.
Commercial bulk glyoxal is made and reported as a 40% solution in water by weight.
Glyoxal 40% is a building block for the glycidated phenol compound (tetraglycidyl ether of tetrakis(4-hydroxyphenyl) ethane).
This increases stability in epoxy laminates and molding compounds.
The sulfur scavenging property of Glyoxal 40% to act as a H2S scavenger and glyoxal-crosslinked polymers (hydrocolloids) can be used to improve viscosity in oil-drilling fluids.
Polymers crosslinked with Glyoxal 40% are used to enhance the wet/dry strength and enable the efficient coating of paper.
In cosmetics, Glyoxal 40%-crosslinked polymers (hydrocolloids) improves the viscosity.
As a crosslinker, Glyoxal is used in antiwrinkle and softening polymer.
Glyoxal 40% is also used as a crosslinker in leather tanning processes.
The biocidal effect of Glyoxal 40% is used in water treatment.
Glyoxal 40% is used to crosslink a wide range of other polymers, including starch, cellulose, proteinaceous material, polyacrylamide and polyvinyl alcohols.
In disinfection applications, it is a biocidal active ingredient.
Finally, Glyoxal 40% can be used in wood hardening application for improved moisture resistance.
Glyoxal 40% reacts vigorously with strong oxidizing agents such as nitric acid.
Polymerizes rapidly even at low temperature if anhydrous.
Aqueous solutions are more stable but also polymerize on standing.
Reacts with itself in the presence of base to give glyconates.
Undergoes addition and condensation reactions that may be exothermic with amines, amides, aldehydes, and hydroxide-containing materials.
Mixing in equal molar portions with any of the following substances in a closed container caused the temperature and pressure to increase: chlorosulfonic acid, oleum,
ethyleneimine, nitric acid, sodium hydroxide.
Uses:
Glyoxal 40% is used as a solubilizer and cross-linking agent in polymer chemistry.
Glyoxal 40% is a valuable building block in organic synthesis, especially in the synthesis of heterocycles such as imidazoles.
A convenient form of the reagent for use in the laboratory is its bis(hemiacetal) with ethylene glycol, 1,4-dioxane-2,3-diol.
Glyoxal 40% is commercially available.
Glyoxal 40% solutions can also be used as a fixative for histology, that is, a method of preserving cells for examining them under a microscope.
Glyoxal 40% is used to produce glycoluril based amino crosslinking resins for powder coatings, liquid can and coil coatings.
Glyoxal 40% emits less formaldehyde and produce more flexible films compared to other amino crosslinkers.
Glyoxal 40% is utilized in wood preservation treatments to protect wooden structures and furniture from decay, mold, and insect infestation.
Glyoxal 40% penetrates the wood fibers and forms a protective barrier, extending the lifespan of the wood products.
In the oil and gas industry, Glyoxal 40% is employed for pipeline cleaning, corrosion inhibition, and scale control.
Glyoxal 40% helps maintain the integrity of pipelines and equipment by preventing corrosion and reducing the buildup of scale and deposits.
Glyoxal 40% is used in water treatment processes to disinfect and sterilize water, making it safe for various industrial, commercial, and residential applications.
Glyoxal 40% effectively eliminates harmful microorganisms, pathogens, and contaminants present in water sources.
Glyoxal 40% is incorporated into surface coatings and paints as a crosslinking agent to enhance adhesion, durability, and weather resistance.
Glyoxal 40% improves the performance of coatings on metal, concrete, and other substrates exposed to harsh environmental conditions.
Glyoxal 40%-based photocatalysts are employed in environmental remediation and pollution control applications.
They facilitate the degradation of organic pollutants and toxins in air and water under the influence of light, contributing to environmental sustainability.
Glyoxal 40% is used in polymer chemistry as a crosslinking agent for synthetic polymers and resins.
Glyoxal 40% helps improve the mechanical properties, thermal stability, and chemical resistance of polymeric materials, making them suitable for various industrial and commercial applications.
Glyoxal 40% and its derivatives are investigated for biomedical applications, including tissue engineering, drug delivery systems, and medical implants.
They exhibit biocompatible and bioactive properties that make them promising candidates for regenerative medicine and biomedical devices.
While Glyoxal 40% itself is not directly used in food products, it may be present as a residual component in food packaging materials or as a processing aid in certain food manufacturing processes.
Its use in food-contact materials is regulated and subject to compliance with food safety standards.
Glyoxal 40% is employed as a derivatization agent in analytical chemistry techniques for the determination of various compounds, including amino acids, proteins, and carbohydrates.
Glyoxal 40% reacts selectively with functional groups to facilitate their detection and quantification.
Glyoxal 40% is used in the textile industry; as a fiber treatment agent.
Glyoxal 40% is a durable press finishing agent that can increase the shrinkage and crease resistance of cotton, nylon, and other fibers.
Glyoxal 40% is an insoluble binder for gelatin, animal glue, cheese, polyvinyl alcohol, and starch.
Glyoxal 40% is also used in the leather industry and in making waterproof matches.
Glyoxal 40% is used as a crosslinking agent for cellulose-based fabrics, such as cotton, in wrinkle-resistant finishes.
Glyoxal 40% improves the fabric's dimensional stability and enhances its resistance to wrinkling, thus increasing the durability of the finished textile products.
In the paper manufacturing process, glyoxal is utilized as a paper sizing agent to improve the paper's wet strength and reduce its susceptibility to tearing and curling.
This application is particularly important in producing high-quality paper products for printing and packaging.
Glyoxal 40% serves as a crosslinking agent in the production of adhesives and binders.
By forming chemical bonds between polymer chains, Glyoxal 40% enhances the adhesive strength and cohesion of the final adhesive products, making them suitable for various bonding applications.
In the leather industry, Glyoxal 40% is employed as a tanning agent to stabilize collagen fibers in animal hides.
Glyoxal 40% helps improve the softness, flexibility, and strength of leather products while enhancing their resistance to moisture and microbial degradation.
Glyoxal 40% exhibits biocidal properties and is used as a disinfectant and preservative in various applications.
Glyoxal 40% helps inhibit the growth of bacteria, fungi, and other microorganisms in water treatment, personal care products, and industrial formulations.
Glyoxal 40% serves as a key intermediate in the synthesis of various organic compounds, including pharmaceuticals, agrochemicals, and specialty chemicals.
Glyoxal 40% undergoes numerous chemical reactions to produce derivatives with specific properties and functionalities.
Glyoxal 40% has historical significance in the field of photography, where it was used as a fixing agent in black-and-white film development.
Glyoxal 40% helps stabilize the photographic image by reacting with silver halide crystals, thereby preventing the image from fading over time.
Glyoxal 40% is employed as a reagent in analytical chemistry techniques for the detection and quantification of certain compounds.
Glyoxal 40% reacts with specific analytes to form stable complexes or products that can be measured spectroscopically or chromatographically.
Insolubilizing agent for compounds containing polyhydroxyl groups (polyvinyl alcohol, starch, and cellulosic materials); insolubilizing of proteins (casein, gelatin, and animal glue); embalming fluids; leather tanning; paper coatings with hydroxyethylcellulose; reducing agent in dyeing textiles.
Glyoxal 40% is used to prepare 4,5-dihydroxy-2-imidazolidinone by condensation with urea.
Glyoxal 40% finds application in leather tanning process, textile finishes and paper coatings.
Glyoxal 40% is an important building block in the synthesis of imidazoles.
Glyoxal 40% acts as a solubilizer and cross-linking agent in polymer chemistry.
Further, Glyoxal 40% is used as a fixative for histology to preserve cells in order to examine under a microscope.
Glyoxal 40% is used in the production of textilesand glues and in organic synthesis.
Coated paper and textile finishes use large amounts of Glyoxal 40% as a crosslinker for starch-based formulations.
Glyoxal 40% condenses with urea to afford 4,5-dihydroxy-2-imidazolidinone, which further reacts with formaldehyde to give the bis(hydroxymethyl) derivative dimethylol ethylene
urea, which is used for wrinkle-resistant chemical treatments of clothing, i.e. permanent press.
Safety Profile:
Glyoxal 40% exhibited low toxicityin test subjects.
Ingestion may cause somnolenceand gastrointestinal pain.
Inhalation causes some irritation of nose and,40% solution throat.
Contact with liquid,40% solution irritates eyes and causes mild irritation of skin; stains skin yellow.
Glyoxal 40% ingestion and skin contact.
Glyoxal 40% a skin irritant.
A powerful reducing agent.
May explode on contact with air.
Polymerizes violently on contact with water.
During storage it may spontaneously polymerize and ignite.
Reacts violently with chlorosulfonic acid, ethylene imine, HNO3, oleum, NaOH, can cause violent reactions.
Can explode during manufacture.
When heated to decomposition it emits acrid smoke and irritating fumes
Glyoxal 40% is a skin and eye irritant; the effectmay be mild to severe.
Its vapors are irritatingto the skin and respiratory tract.
Anamount of 1.8 mg caused severe irritation inrabbits’ eyes.