Dicarboxylic acid（CAS 141-82-2）：分子式 C3H4O4、分子量 104.06；类别 有机化学品。
| CAS号 | 141-82-2 |
|---|---|
| 分子式 | C3H4O4 |
| 分子量 | 104.06 |
| 熔点 | 276.1 °F (NTP, 1992) |
| 沸点 | Decomposes above 140 °C |
| LogP | -0.8 |
| 类别 | Organic Chemicals |
Dicarboxylic acid 是一种以碳骨架为基础的有机化合物，登记 CAS 号为 141-82-2，分子式 C3H4O4（分子量 104.06），归属于有机化学品大类化工原料。
登记 CAS 号：141-82-2
其分子式 C3H4O4 由 3 个碳、4 个氢、4 个氧 组成。
别名/同义词：Dicarboxylic acid · malonic acid
所属分类：有机化学品
Dicarboxylic acid 的 CAS 登记号为 141-82-2。
分子式 C3H4O4，分子量 104.06。
别名/同义词：Dicarboxylic acid、malonic acid。
所属分类：Organic Chemicals。
Dicarboxylic acid（CAS 141-82-2）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 141-82-2 |
|---|---|
| PubChem CID | 867 |
| Molecular formula | C3H4O4 |
| IUPAC name | propanedioic acid |
| UNII (FDA) | 9KX7ZMG0MK |
| Molecular Weight | 104.06 |
|---|---|
| XLogP3 | -0.8 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 104.01095860 |
| Monoisotopic Mass | 104.01095860 |
| Topological Polar Surface Area | 74.6 |
| Heavy Atom Count | 7 |
| Boiling Point | Decomposes above 140 °C |
|---|---|
| Melting Point | 276.1 °F (NTP, 1992) |
| Melting Point | 135 |
| Melting Point | 135-137 °C |
| Melting Point | 135 °C |
| Solubility | 763000 |
| Solubility | In water, 6.23X10+5 mg/L at 25 °C |
| Solubility | 763.0 mg/mL |
| Density | Density: 1.619 g/cu cm at 10 °C |
| Density | 1.6 g/cm³ |
malonic acid; propanedioic acid; 141-82-2; Dicarboxymethane; Carboxyacetic acid; Methanedicarboxylic acid; malonate; Kyselina malonova; USAF EK-695; 1,3-Propanedioic acid; DTXSID7021659; 9KX7ZMG0MK; NSC-8124; DTXCID401659; CHEBI:30794; malonyl
| Regulatory & Food Contact | EU Flavoring substances Flavoring Agents CIR / INCI: Cosmetic ingredients (Malonic Acid) -> CIR (Cosmetic Ingredient Review) |
|---|---|
| GHS notification summary | 1.4% (6 / 443) |
| GHS notification summary | 1.4% (6 / 443) |
|---|---|
| Reported hazard statements | H302 (47.2%), H315 (28.2%), H318 (49.7%), H319 (49%), H335 (11.5%) |
This chemical does not meet GHS hazard criteria for 1.4% (6 of 443) of reports.
H302 (47.2%): Harmful if swallowed [Warning Acute toxicity, oral]
Dicarboxylic acid · CAS 141-82-2 · C3H4O4. UNII 9KX7ZMG0MK. Boiling Point: Decomposes above 140 °C; Melting Point: 276.1 °F (NTP, 1992); Melting Point: 135.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Dicarboxylic acid