Glyoxal
Synonyms
Ethanedial;
Category
Non-ionic surfactant
> Aldehyde
Chemical Numbering System
CAS: 107-22-2
EINECS: 203-474-9
Molecular Formula & Molecular Weight
Molecular Formula: C2H2O2
Molecular Weight: 58.04
Structure
Properties
Appearance (1), liquid.
Solubility soluble in water.
Stability stable. Easily oxidized.
Risk Liquid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
dog intravenous LDLo |
0.3mL/kg[1] |
|
guinea pig oral LD50 |
760mg/kg[1] |
|
guinea pig oral LD50 |
10000mg/kg[1] |
|
guinea pig skin LD50 |
6600mg/kg[1] |
|
mouse intraperitoneal LD50 |
200mg/kg[1] |
|
mouse oral LD50 |
400mg/kg[1] |
|
mouse oral LD50 |
1280mg/kg[1] |
|
rabbit intraperitoneal LD50 |
60mg/kg[1] |
|
rabbit intravenous LD50 |
60mg/kg[1] |
|
rabbit oral LD50 |
> 3175mg/kg[1] |
|
rabbit skin LD50 |
10mL/kg[1] |
|
rat inhalation LC50 |
2410mg/m3/4H[1] |
|
rat oral LD50 |
200mg/kg[1] |
|
rat oral LD50 |
2960mg/kg[1] |
|
rat oral LD50 |
4290mg/kg[1] |
|
rat skin LD50 |
> 2000mg/kg[1] |
|
rat intraperitoneal LDLo |
100mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antimicrobial, antibacterial, preservative abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
95.0/40.0(solution) |
Test Methods
(1), Actives
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Liquid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Product standards
(1), Chinese standards
(1a), HG/T 5275 Glyoxal solution for industrial use
4, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as antimicrobial agent, antibacterial agent, preservative.
2, Personal care products
Antimicrobial agent in personal care products.
Further information:
(1), In accordance with EU regulations (EC) No 344/2013, be included in Annex III/194.
Maximum concentration is 0.5% 100mg/kg.
3, organic synthesis
Use as intermediate in organic synthesis.
Manufacturers
References
[1]: ChemIDplus. 107-22-2, Glyoxal
Update: 20190520(1);