Name | Methylglyoxal |
Synonyms | FEMA 2969 propanolone acetylformyl propanedione 2-Oxopropanal PYRUVALDEHYDE METHYLGLYOXAL pyruvaldehyde Methylglyoxal 2-oxo-propana PYRUVIC ALDEHYDE 1,2-Propanedione Pyruvic aldehyde acetylformaldehyde 2-oxo-propionaldehyd pyroracemic aldehyde 2-oxopropionaldehyde 1-ketopropionaldehyde 1-Ketopropionaldehyde 2-ketopropionaldehyde alpha-ketopropionaldehyde |
CAS | 78-98-8 |
EINECS | 201-164-8 |
InChI | InChI=1/C3H4O2/c1-3(5)2-4/h2H,1H3 |
InChIKey | AIJULSRZWUXGPQ-UHFFFAOYSA-N |
Molecular Formula | C3H4O2 |
Molar Mass | 72.06 |
Density | 1.19g/mLat 20°C |
Melting Point | 25 °C |
Boling Point | 72 °C |
Flash Point | 2.5°C |
JECFA Number | 937 |
Water Solubility | >=10 g/100 mL at 17 ºC |
Vapor Presure | 25.09hPa at 20℃ |
Appearance | Solution |
Color | Clear yellow to yellow-brown |
Merck | 14,6081 |
BRN | 906750 |
Storage Condition | 2-8°C |
Sensitive | Air Sensitive |
Refractive Index | n20/D 1.4209 |
Use | Used as pharmaceutical, pesticide intermediates and biochemical reagents |
Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R35 - Causes severe burns |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
UN IDs | UN 3265 8 / PGIII |
WGK Germany | - |
RTECS | UZ0700000 |
TSCA | Yes |
HS Code | 29121900 |
Hazard Note | Irritant |
Downstream Products | Pyruvic aldehyde dimethyl acetal 4-Methylimidazole |
FEMA | 2969 | PYRUVALDEHYDE |
LogP | -1.06 at 25℃ |
(IARC) carcinogen classification | 3 (Vol. 51) 1991 |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
toxicity | GRAS(FEMA). |
usage limit | FEMA(mg/kg): Beverage, cold beverage, 1.0; Candy, baked product, 0.03~5.0. An appropriate amount is limited (FDA,§ 172.515,2001). |
biological activity | Pyruvic aldechild is commonly used as a reagent in organic synthesis, as a flavoring agent and in tanning applications. |
Use | used as medicine, pesticide intermediate and Biochemical reagent used as cimetidine, lactic acid, pyruvic acid, analgesic, anticancer, antihypertensive drugs, desensitizers, cosmetics and other raw materials. |
production method | 1.? From acetone or propionaldehyde by selenium dioxide oxidation or 1,2-propylene glycol in copper powder catalyzed by air oxidation. 2. Obtained by heating isonitrosoacetone and dilute sulfuric acid; It can also be obtained by distilling a dilute solution of dihydroxyacetone in the presence of calcium carbonate. |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |