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| CAS No.: | 563-96-2 |
|---|---|
| Name: | Glyoxylic acid monohydrate |
| Molecular Structure: | |
|
|
|
| Formula: | C2H4O4 |
| Molecular Weight: | 92.0514 |
| Synonyms: | 2,2-dihydroxyacetate;Glyoxylic acid 1-hydrate; |
| EINECS: | 206-058-5 |
| Density: | 1.33 g/mL at 20 °C |
| Melting Point: | 49-52 °C(lit.) |
| Boiling Point: | 300.934 °C at 760 mmHg |
| Flash Point: | 150.027 °C |
| Solubility: | water: 0.1 g/mL, clear |
| Appearance: | white to light yellow crystalline powder |
| Hazard Symbols: |
 C, Xi
|
| Risk Codes: | 34-43-41 |
| Safety: | 26-36/37/39-45-37/39-24-27 |
| Transport Information: | UN 3265 8/PG 2 |
| PSA: | 63.60000 |
| LogP: | -0.79440 |
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| Conditions | Yield |
|---|---|
| at 25℃; Kinetics; in wss. Loesungen vom pH 8.27 bis pH 9.97; | |
| With water In water-d2 at 20℃; |
- 298-12-4
Glyoxilic acid
- 98480-38-7
(4S,5S)-4,5-Dihydroxy-[1,3]dioxolane-2-carboxylic acid
C
- 98453-07-7, 98453-08-8
(Carboxy-hydroxy-methoxy)-hydroxy-acetic acid
D
- 563-96-2
2,2-dihydroxyacetic acid
| Conditions | Yield |
|---|---|
| With water at 45℃; Product distribution; effect of the concentration; |
| Conditions | Yield |
|---|---|
| at 25℃; Kinetics; |
| Conditions | Yield |
|---|---|
| In acetone for 20h; Heating; | 100% |
| In acetone |
- 552-41-0
1-(2-hydroxy-4-methoxyphenyl)ethanone
- 563-96-2
2,2-dihydroxyacetic acid
- 117379-73-4
2-Hydroxy-4-(2-hydroxy-4-methoxy-phenyl)-4-oxo-butyric acid
| Conditions | Yield |
|---|---|
| at 95℃; under 50 Torr; for 3h; | 100% |
- 72824-04-5
2-Allyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
- 563-96-2
2,2-dihydroxyacetic acid
- 1069-48-3, 7685-44-1
rac-allylglycine
| Conditions | Yield |
|---|---|
| Stage #1: 2,2-dihydroxyacetic acid With ammonium hydroxide In ethanol at 20℃; for 0.5h; Stage #2: 2-Allyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In ethanol at 20℃; for 3h; | 100% |
| Conditions | Yield |
|---|---|
| In toluene at 40℃; | 100% |
| In toluene at 40℃; for 3.5h; | 100% |
| In toluene at 40℃; for 3.5h; Large scale reaction; | 96% |
| In diethyl ether at 20℃; for 10h; |
| Conditions | Yield |
|---|---|
| With sulfuric acid Inert atmosphere; | 100% |
| Conditions | Yield |
|---|---|
| With oxygen; ethylenediamine; Flavin mononucleotide In water at 15℃; under 4350.3 Torr; for 77h; glycolate oxidase, Aspergillus niger catalase, pH 8-9; | A 0.2% B 99.8% |
- 626-62-0
1-iodocyclohexane
- 2687-43-6
O-benzylhydoxylamine hydrochloride
- 563-96-2
2,2-dihydroxyacetic acid
| Conditions | Yield |
|---|---|
| Stage #1: O-benzylhydoxylamine hydrochloride; 2,2-dihydroxyacetic acid In water at 20℃; for 3h; Condensation; Stage #2: Cyclohexyl iodide With triethyl borane In hexane; water at 20℃; for 1h; Addition; Further stages.; | 99% |
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- 8001-54-5Quaternary ammonium compounds, alkylbenzyldimethyl, chlorides
- 9003-39-8Povidone
- 10161-34-9Trenbolone acetate
- 402957-28-2Telaprevir
- 68-19-9Cyanocobalamin
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Chemistry
Molecular Formula: C2H4O4 
Molecular Weight: 92.05
IUPAC Name: oxaldehydic acid hydrate
Synonyms: Dihydroxyacetic acid ; Formylformic acid ; Oxoethanoic acid ; Formylformic acid monohydrate ; Oxoethanoic acid monohydrate
Melting Point: 49-52 °C (lit.)
Boiling Point: 100°C (lit.)
Density of Glyoxylic acid monohydrate (563-96-2) : 1.33 g/mL at 20 °C
Refractive index: n20/D 1.414
Flash Point: >230 °F
Storage temp.: 2-8 °C
Sensitive: Hygroscopic
Enthalpy of Vaporization: 62.76 kJ/mol
Vapour Pressure: 0.000107 mmHg at 25 °C
Solubility of Glyoxylic acid monohydrate (563-96-2): H2O: 0.1 g/mL, clear
Chemical Properties: Glyoxylic acid monohydrate (563-96-2) is a white to light yellow crystalline powder or chunks
Uses
In industrial field, Glyoxylic acid monohydrate (563-96-2) is used as a basic chemical for the synthesis of other chemical products of acids, esters, cyclic compounds.
Toxicity Data With Reference
Carcinogenicity: Glyoxylic acid - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Water - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other: The toxicological properties have not been fully investigated. See actual entry in RTECS for complete information.
Safety Profile
Hazard Codes: 
C,
Xi
Risk Statements: 34-43-41
34: Causes burns
43: May cause sensitization by skin contact
41: Risk of serious damage to eyes
Safety Statements: 26-36/37/39-45-37/39-24-27
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
37/39: Wear suitable gloves and eye/face protection
24: Avoid contact with skin
27: Take off immediately all contaminated clothing
RIDADR: UN 3265 8/PG 2
WGK Germany: 1
RTECS: MD4550000
F: 3: Hygroscopic
HazardClass: 8
PackingGroup: III
Standards and Recommendations
Assay: 98.0% min
Specification
Glyoxylic Acid Monohydrate, its cas register number is 563-96-2. It also can be called Dihydroxyacetic acid; Formylformic acid; Oxoethanoic acid, and its IUPAC name is (oxaldehydic acid hydrate. L-serine (CAS NO.56-45-1) is hygroscopic, it can absorbs moisture or water from the air. And it is incompatible with strong oxidizing agents,strong bases. L-serine's hazardous decomposition products are carbon monoxide, formaldehyde and carbon dioxide.Glyoxylic acid monohydrate (563-96-2) is a white to light yellow crystalline powder or chunks. In industrial field, Glyoxylic acid monohydrate (563-96-2) is used as a basic chemical for the synthesis of other chemical products of acids, esters, cyclic compounds. It should keep container tightly closed and keep container in a cool, well-ventilated area.