Pyruvaldehyde（CAS 78-98-8）：分子式 C3H4O2、分子量 72.02 g/mol。
| CAS号 | 78-98-8 |
|---|---|
| 分子式 | C3H4O2 |
| 分子量 | 72.02 g/mol |
| 熔点 | < 25 °C |
| 沸点 | 162 °F at 760 mmHg (NTP, 1992) |
| LogP | -0.4 |
| 应用领域 | 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 |
登记用途：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 是一种化工化合物，登记 CAS 号为 78-98-8，分子式 C3H4O2（分子量 72.02 g/mol）。
登记 CAS 号：78-98-8
其分子式 C3H4O2 由 3 个碳、4 个氢、2 个氧 组成。
别名/同义词：Pyruvaldehyde · Methylglyoxal
Pyruvaldehyde 的 CAS 登记号为 78-98-8。
分子式 C3H4O2，分子量 72.02 g/mol。
别名/同义词：Pyruvaldehyde、Methylglyoxal。
登记用途：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（CAS 78-98-8）的独立参考数据，整理自公开化学数据库。
| 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.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Pyruvaldehyde