o-Phthalic dicarboxaldehyde (CAS 25750-62-3) — formula C8H6O2, molecular weight 134.13; category organic chemicals.
o-Phthalic dicarboxaldehyde (CAS 25750-62-3) is a chemical raw material in the organic chemicals category. Its molecular formula C8H6O2 comprises 8 C, 6 H, 2 O atoms. Its molecular weight is about 134.13. Reported physicochemical data: melting point around 55.8 °C, boiling point around BP: 83 °C at 0.8 mm Hg, LogP about log Kow = 0.51. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 25750-62-3 |
|---|---|
| Molecular Formula | C8H6O2 |
| Molecular Weight | 134.13 |
| Melting Point | 55.8 °C |
| Boiling Point | BP: 83 °C at 0.8 mm Hg |
| LogP | log Kow = 0.51 |
| Applications | disinfectant and in the fluorometric determination of primary amines and thiols, Used to sterilize medical and dental equipment, as an enzyme inhibitor, indicator, chemical intermediate, diagnostic agent |
| Category | Organic Chemicals |
Documented applications: disinfectant and in the fluorometric determination of primary amines and thiols, Used to sterilize medical and dental equipment, as an enzyme inhibitor, indicator, chemical intermediate, diagnostic agent.
o-Phthalic dicarboxaldehyde is a carbon-based organic compound with CAS registry number 25750-62-3 and molecular formula C8H6O2 (molecular weight 134.13), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 25750-62-3
Its molecular formula C8H6O2 comprises 8 C, 6 H, 2 O atoms.
Also known as: o-Phthalic dicarboxaldehyde · 邻苯二甲酸二甲醛
Category: organic chemicals
The CAS registry number of o-Phthalic dicarboxaldehyde is 25750-62-3.
Molecular formula C8H6O2, molecular weight 134.13.
It is also registered under: o-Phthalic dicarboxaldehyde, 邻苯二甲酸二甲醛.
Recorded applications: disinfectant and in the fluorometric determination of primary amines and thiols, Used to sterilize medical and dental equipment, as an enzyme inhibitor, indicator, chemical intermediate, diagnostic agent.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for o-Phthalic dicarboxaldehyde (CAS 25750-62-3), compiled from public chemistry databases.
| CAS Registry Number | 25750-62-3 |
|---|---|
| PubChem CID | 4807 |
| Molecular formula | C8H6O2 |
| IUPAC name | phthalaldehyde |
| UNII (FDA) | 4P8QP9768A |
| Molecular Weight | 134.13 |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 134.036779430 |
| Monoisotopic Mass | 134.036779430 |
| Topological Polar Surface Area | 34.1 |
| Heavy Atom Count | 10 |
| Boiling Point | BP: 83 °C at 0.8 mm Hg |
|---|---|
| Melting Point | 55.8 °C |
| Flash Point | 132 °C (270 °F) - closed cup |
| Flash Point | 132 °C c.c. |
| Solubility | In water, 5 g/100 mL at 20 °C |
| Density | Density (at 20 °C): 1.13 g/cm³ |
| Vapor Pressure | 0.0052 [mmHg] |
| Vapor Pressure | 0.0052 mm Hg at 21 °C (0.69 Pa) |
| LogP | log Kow = 0.51 |
| LogP | 0.99 (30 °C) |
o-Phthalaldehyde; 643-79-8; PHTHALALDEHYDE; o-Phthaldialdehyde; 1,2-Benzenedicarboxaldehyde; Phthalic aldehyde; ortho-Phthalaldehyde; benzene-1,2-dicarbaldehyde; Phthalic dialdehyde; Phthalic dicarboxaldehyde; Phthalyldicarboxaldehyde; Phthalaldialdehyde; ortho Phthalaldehyde; o-Phthalicdicarboxaldehyde; 1,2-Diformylbenzene; phtharal
| Reported hazard statements | H228 (44.3%), H301 (97.9%), H314 (74%), H315 (26%), H317 (97.4%), H318 (73.6%), H335 (28.1%), H373 (44.3%) |
|---|
H228 (44.3%): Flammable solid [Danger Flammable solids]
H301 (97.9%): Toxic if swallowed [Danger Acute toxicity, oral]
o-Phthalic dicarboxaldehyde · CAS 25750-62-3 · C8H6O2. UNII 4P8QP9768A. Boiling Point: BP: 83 °C at 0.8 mm Hg; Melting Point: 55.8 °C; Flash Point: 132 °C (270 °F) - closed cup.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 邻苯二甲酸二甲醛