O-Phthalaldehyde (CAS 643-79-8) — formula C8H6O2, molecular weight 134.13; category organic chemicals.
| CAS Number | 643-79-8 |
|---|---|
| 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 | Uses: Used as a disinfectant and in the fluorometric determination of primary amines and thiols, [Merck Index] Used to sterilize medical and dental equipment, as an enzyme inhibitor, indicator, chemical intermediate, diagnostic agent, tanning agent for leather, in water treatment, pulp and paper manufacturing, oil field water flooding, hair colorings, wood treatment, and antifouling paints, [NTP], Petroleum Production and Refining [Category: Industry], Pulp and Paper Processing [Category: Industry], Painting (Pigments, Binders, and Biocides) [Category: Paint], Applying Wood Preservatives [Category: Other], Using Disinfectants or Biocides [Category: Clean], Sterilizing Equipment [Category: Clean], Sewer and Wastewater Treatment [Category: Industry], Leather Tanning and Processing [Category: Industry], Dressing Hair [Category: Other], For o-phthalaldehyde (USEPA, OPP Pesticide Code: 129017) there are 0 labels match., SRP: Not registered for current use in the USA, but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Reagents used to synthesize fluorescent derivatives for chemical analyses: Derivatized compound: primary amines., From table, Disinfectant. Reagent in fluorometric determination of primary amines and thiols., o-Phthalaldehyde, ... in conjunction with 2-mercaptoethanol, is most often used in post-column detection of amino acids separated by conventional automated amino acid analysis., Use Classification: Environmental transformation -> Pesticide transformation products (metabolite, successor), General Manufacturing Information: 1, 2-Benzenedicarboxaldehyde: ACTIVE |
| Category | Organic Chemicals |
Documented applications: Uses: Used as a disinfectant and in the fluorometric determination of primary amines and thiols, [Merck Index] Used to sterilize medical and dental equipment, as an enzyme inhibitor, indicator, chemical intermediate, diagnostic agent, tanning agent for leather, in water treatment, pulp and paper manufacturing, oil field water flooding, hair colorings, wood treatment, and antifouling paints, [NTP], Petroleum Production and Refining [Category: Industry], Pulp and Paper Processing [Category: Industry], Painting (Pigments, Binders, and Biocides) [Category: Paint], Applying Wood Preservatives [Category: Other], Using Disinfectants or Biocides [Category: Clean], Sterilizing Equipment [Category: Clean], Sewer and Wastewater Treatment [Category: Industry], Leather Tanning and Processing [Category: Industry], Dressing Hair [Category: Other], For o-phthalaldehyde (USEPA, OPP Pesticide Code: 129017) there are 0 labels match., SRP: Not registered for current use in the USA, but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Reagents used to synthesize fluorescent derivatives for chemical analyses: Derivatized compound: primary amines., From table, Disinfectant. Reagent in fluorometric determination of primary amines and thiols., o-Phthalaldehyde, ... in conjunction with 2-mercaptoethanol, is most often used in post-column detection of amino acids separated by conventional automated amino acid analysis., Use Classification: Environmental transformation -> Pesticide transformation products (metabolite, successor), General Manufacturing Information: 1, 2-Benzenedicarboxaldehyde: ACTIVE.
O-Phthalaldehyde is a carbon-based organic compound with CAS registry number 643-79-8 and molecular formula C8H6O2 (molecular weight 134.13), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 643-79-8
Its molecular formula C8H6O2 comprises 8 C, 6 H, 2 O atoms.
Also known as: O-Phthalaldehyde · 邻苯二甲醛 · 1,2-Phthalic dicarboxaldehyde
Category: organic chemicals
The CAS registry number of O-Phthalaldehyde is 643-79-8.
Molecular formula C8H6O2, molecular weight 134.13.
It is also registered under: O-Phthalaldehyde, 邻苯二甲醛, 1,2-Phthalic dicarboxaldehyde.
Recorded applications: Uses: Used as a disinfectant and in the fluorometric determination of primary amines and thiols, [Merck Index] Used to sterilize medical and dental equipment, as an enzyme inhibitor, indicator, chemical intermediate, diagnostic agent, tanning agent for leather, in water treatment, pulp and paper manufacturing, oil field water flooding, hair colorings, wood treatment, and antifouling paints, [NTP], Petroleum Production and Refining [Category: Industry], Pulp and Paper Processing [Category: Industry], Painting (Pigments, Binders, and Biocides) [Category: Paint], Applying Wood Preservatives [Category: Other], Using Disinfectants or Biocides [Category: Clean], Sterilizing Equipment [Category: Clean], Sewer and Wastewater Treatment [Category: Industry], Leather Tanning and Processing [Category: Industry], Dressing Hair [Category: Other], For o-phthalaldehyde (USEPA, OPP Pesticide Code: 129017) there are 0 labels match., SRP: Not registered for current use in the USA, but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Reagents used to synthesize fluorescent derivatives for chemical analyses: Derivatized compound: primary amines., From table, Disinfectant. Reagent in fluorometric determination of primary amines and thiols., o-Phthalaldehyde, ... in conjunction with 2-mercaptoethanol, is most often used in post-column detection of amino acids separated by conventional automated amino acid analysis., Use Classification: Environmental transformation -> Pesticide transformation products (metabolite, successor), General Manufacturing Information: 1, 2-Benzenedicarboxaldehyde: ACTIVE.
Category: Organic Chemicals.
Independent reference data for O-Phthalaldehyde (CAS 643-79-8), compiled from public chemistry databases.
| CAS Registry Number | 643-79-8 |
|---|---|
| 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]
1,2-Phthalic dicarboxaldehyde · CAS 643-79-8 · 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: 1,2-邻苯二甲酸二甲醛