| Identification | More | [Name]
Glyoxal | [CAS]
107-22-2 | [Synonyms]
1,2-ethanedione
BISFORMYL
DIFORMYL
ETHANEDIAL
GLYOXAL
GLYOXAL SOLUTION
glyoxylaldehyde
Oxalaldehyde
(CHO)2
Aerotex glyoxal 40
aerotexglyoxal40
Biformal
Biformyl
Diformal
Ethandial
Ethane-1,2-dione
Ethanedione
Glyoxal aldehyde
glyoxal,29.2%
glyoxal,40% | [EINECS(EC#)]
203-474-9 | [Molecular Formula]
C2H2O2 | [MDL Number]
MFCD00006957 | [Molecular Weight]
58.04 | [MOL File]
107-22-2.mol |
| Chemical Properties | Back Directory | [Appearance]
colourless or light yellow liquid | [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
| [Fp ]
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 | [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. | [Water Solubility ]
miscible | [Merck ]
14,4509 | [BRN ]
1732463 | [Exposure limits]
ACGIH: TWA 0.1 mg/m3 | [InChIKey]
LEQAOMBKQFMDFZ-UHFFFAOYSA-N | [LogP]
-1.15 at 20℃ | [Uses]
ermanent-press fabrics; dimensional stabilization
of rayon and other fibers. 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. | [CAS DataBase Reference]
107-22-2(CAS DataBase Reference) | [NIST Chemistry Reference]
Ethanedial(107-22-2) | [EPA Substance Registry System]
107-22-2(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R20:Harmful by inhalation.
R36/38:Irritating to eyes and skin .
R43:May cause sensitization by skin contact.
R68:Possible risk of irreversible effects. | [Safety Statements ]
S36/37:Wear suitable protective clothing and gloves . | [RIDADR ]
UN 1760 | [WGK Germany ]
1
| [RTECS ]
MD2700000
| [Autoignition Temperature]
545 °F | [TSCA ]
Yes | [HS Code ]
29121900 | [Safety Profile]
Low toxicity by
SYN: AEROTEX GLYOXAL 40
ingestion and skin contact. 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. See also ALDEHYDES. | [Hazardous Substances Data]
107-22-2(Hazardous Substances Data) | [Toxicity]
LD50 in rats, guinea pigs (mg/kg): 2020, 760 orally (Smyth) |
| Hazard Information | Back Directory | [General Description]
Yellow crystals melting at15°C. Hence often encountered as a light yellow liquid with a weak sour odor. Vapor has a green color and burns with a violet flame. | [Reactivity Profile]
GLYOXAL reacts vigorously with strong oxidizing agents such as nitric acid. Polymerizes rapidly even at low temperature if anhydrous [Noller]. 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 [NFPA 1991]. | [Air & Water Reactions]
Mixtures with air may explode. Polymerizes quickly on standing, or on contact with a trace of water (possibly a violent reaction), or when dissolved in solvents containing water, [Merck, 502(1968)]. Soluble in water. An aqueous solution contains mono molecular GLYOXAL(107-22-2). [Hawley] | [Hazard]
Mixture of vapor and air may explode.
Questionable carcinogen. | [Health Hazard]
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. (No information available on symptoms of ingestion.) | [Fire Hazard]
Behavior in Fire: Heat may cause polymerization to a combustible, viscous material. | [Chemical Properties]
colourless or light yellow liquid | [Definition]
ChEBI: The dialdehyde that is the smallest possible and which consists of ethane having oxo groups on both carbons. | [Flammability and Explosibility]
Notclassified | [Waste Disposal]
Glyoxal is mixed with a combustible solventand burned in a chemical incineratorequipped with an afterburner and scrubber. |
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