Pyruvaldehyde (CAS 78-98-8) — formula C3H4O2, molecular weight 72.02 g/mol.
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.
Pyruvaldehyde is a chemical compound with CAS registry number 78-98-8 and molecular formula C3H4O2 (molecular weight 72.02 g/mol).
CAS number: 78-98-8
Its molecular formula C3H4O2 comprises 3 C, 4 H, 2 O atoms.
Also known as: Pyruvaldehyde · Methylglyoxal
The CAS registry number of Pyruvaldehyde is 78-98-8.
Molecular formula C3H4O2, molecular weight 72.02 g/mol.
It is also registered under: Pyruvaldehyde, Methylglyoxal.
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.
Public-database records for Pyruvaldehyde (CAS 78-98-8), reproduced here for independent cross-checking.
| 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]
| 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) |
| 沸点 | 162 °F at 760 mmHg (NTP, 1992) |
|---|---|
| 沸点 | 72 °C at 760 mm Hg |
| 沸点 | 72 °C |
| 熔点 | < 25 °C |
| 密度 | 1.0455 at 24 °C |
| 密度 | 密度: 1.20 at 20 °C/20 °C |
| 密度 | 1.041-1.048 |
| 蒸气压 | 26.7 [mmHg] |
| 折射率 | 1.399-1.406 |
| CAS Registry Number | 78-98-8 |
|---|---|
| PubChem CID | 880 |
| 分子式 | C3H4O2 |
| 分子量 | 72.02 g/mol |
| IUPAC 名称 | 2-oxopropanal |
| InChIKey | AIJULSRZWUXGPQ-UHFFFAOYSA-N |
| UNII（FDA） | 722KLD7415 |
| ChEBI 编号 | CHEBI:17158 |
| FEMA 编号 | 2969 |
| JECFA 编号 | 937 |
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
| 分子量 | 72.06 |
|---|---|
| XLogP3 | -0.4 |
| 氢键供体数 | 0 |
| 氢键受体数 | 2 |
| 可旋转键数 | 1 |
| 精确质量 | 72.021129366 |
| 单同位素质量 | 72.021129366 |
| 拓扑极性表面积 | 34.1 |
| 重原子数 | 5 |
| 形式电荷 | 0 |
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. 沸点: 162 °F at 760 mmHg (NTP, 1992); 沸点: 72 °C at 760 mm Hg; 沸点: 72 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
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