Methylglyoxal (CAS 78-98-8) — formula C3H4O2, molecular weight 72.06; category organic chemicals.
| CAS Number | 78-98-8 |
|---|---|
| Molecular Formula | C3H4O2 |
| Molecular Weight | 72.06 |
| Melting Point | < 25 °C |
| Boiling Point | 162 °F at 760 mmHg (NTP, 1992) |
| LogP | -0.4 |
| Applications | Uses: Used in organic synthesis, as a flavoring agent, and in tanning leather, [ChemIDplus], Leather Tanning and Processing [Category: Industry], Organic synthesis, as of complex chemical compounds such as pyrethrins, tanning leather, flavoring., Use Classification: Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes, Flavoring Agents -> JECFA Flavorings Index, Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes, Formulations, Preparations: Supplied commercially as a 30% aqueous solution., General Manufacturing Information: Propanal, 2-oxo-: ACTIVE |
| Category | Organic Chemicals |
Documented applications: Uses: Used in organic synthesis, as a flavoring agent, and in tanning leather, [ChemIDplus], Leather Tanning and Processing [Category: Industry], Organic synthesis, as of complex chemical compounds such as pyrethrins, tanning leather, flavoring., Use Classification: Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes, Flavoring Agents -> JECFA Flavorings Index, Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes, Formulations, Preparations: Supplied commercially as a 30% aqueous solution., General Manufacturing Information: Propanal, 2-oxo-: ACTIVE.
Methylglyoxal is a carbon-based organic compound with CAS registry number 78-98-8 and molecular formula C3H4O2 (molecular weight 72.06), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 78-98-8
Its molecular formula C3H4O2 comprises 3 C, 4 H, 2 O atoms.
Also known as: Methylglyoxal · 丙酮醛 · Pyruvaldehyde
Category: organic chemicals
The CAS registry number of Methylglyoxal is 78-98-8.
Molecular formula C3H4O2, molecular weight 72.06.
It is also registered under: Methylglyoxal, 丙酮醛, Pyruvaldehyde.
Recorded applications: Uses: Used in organic synthesis, as a flavoring agent, and in tanning leather, [ChemIDplus], Leather Tanning and Processing [Category: Industry], Organic synthesis, as of complex chemical compounds such as pyrethrins, tanning leather, flavoring., Use Classification: Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes, Flavoring Agents -> JECFA Flavorings Index, Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes, Formulations, Preparations: Supplied commercially as a 30% aqueous solution., General Manufacturing Information: Propanal, 2-oxo-: ACTIVE.
Category: Organic Chemicals.
Independent reference data for Methylglyoxal (CAS 78-98-8), compiled from public chemistry databases.
| CAS Registry Number | 78-98-8 |
|---|---|
| PubChem CID | 880 |
| Molecular formula | C3H4O2 |
| Molecular weight | 72.02 g/mol |
| IUPAC name | 2-oxopropanal |
| InChIKey | AIJULSRZWUXGPQ-UHFFFAOYSA-N |
| UNII (FDA) | 722KLD7415 |
| ChEBI ID | CHEBI:17158 |
| FEMA number | 2969 |
| JECFA number | 937 |
| Molecular Weight | 72.06 |
|---|---|
| XLogP3 | -0.4 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 72.021129366 |
| Monoisotopic Mass | 72.021129366 |
| Topological Polar Surface Area | 34.1 |
| Heavy Atom Count | 5 |
| Boiling Point | 162 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 72 °C at 760 mm Hg |
| Boiling Point | 72 °C |
| Melting Point | < 25 °C |
| Density | 1.0455 at 24 °C |
| Density | Density: 1.20 at 20 °C/20 °C |
| Density | 1.041-1.048 |
| Vapor Pressure | 26.7 [mmHg] |
| Refractive Index | 1.399-1.406 |
methylglyoxal; 2-Oxopropanal; pyruvaldehyde; pyruvic aldehyde; 78-98-8; acetylformaldehyde; Acetylformyl; Propanal, 2-oxo-; METHYL GLYOXAL; 2-Ketopropionaldehyde; Propanedione; Propanolone; Pyroracemic aldehyde; 2-Oxopropionaldehyde; Glyoxal, methyl; 1-Ketopropionaldehyde
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Savory No safety concern at current levels of intake when used as a flavouring agent |
|---|---|
| GHS notification summary | 4% (11 / 274) |
| GHS notification summary | 4% (11 / 274) |
|---|---|
| Reported hazard statements | H290 (39.4%), H302 (96%), H315 (40.1%), H317 (40.5%), H318 (40.5%), H319 (54%), H335 (40.1%), H341 (42.3%) |
This chemical does not meet GHS hazard criteria for 4% (11 of 274) of reports.
H290 (39.4%): May be corrosive to metals [Warning Corrosive to Metals]
Pyruvaldehyde is identified by CAS 78-98-8, molecular formula C3H4O2 and molecular weight 72.02 g/mol. UNII 722KLD7415; ChEBI 17158; InChIKey AIJULSRZWUXGPQ-UHFFFAOYSA-N. Boiling Point: 162 °F at 760 mmHg (NTP, 1992); Boiling Point: 72 °C at 760 mm Hg; Boiling Point: 72 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 丙酮醛