Para Phenylene Diamine (CAS 25168-37-0) — formula C6H8N2, molecular weight 108.14; category pharmaceutical intermediates and APIs.
Para Phenylene Diamine (CAS 25168-37-0) is a pharmaceutical intermediates and APIs. Its molecular formula C6H8N2 comprises 6 C, 8 H, 2 N atoms. Its molecular weight is about 108.14. Reported physicochemical data: melting point around 284 °F (NTP, 1992), boiling point around 513 °F at 760 mmHg (NTP, 1992), LogP about -0.3. Pharmaceutical intermediates and APIs are critical building blocks for drug synthesis, with strict requirements on purity, impurities and process consistency. Used in API synthesis, formulation and pre-clinical research; supplied with COA and impurity-profile documentation. 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 | 25168-37-0 |
|---|---|
| Molecular Formula | C6H8N2 |
| Molecular Weight | 108.14 |
| Melting Point | 284 °F (NTP, 1992) |
| Boiling Point | 513 °F at 760 mmHg (NTP, 1992) |
| LogP | -0.3 |
| Applications | CIR ingredient: p-Phenylenediamine, p-Phenylenediamine is primarily used as a dye intermediate and as a dye (e.g, hair dyes and dyes used for dyeing furs), as well as a photographic developing agent and a chemical intermediate. p-Phenylenediamine is also used as a vulcanization accelerator and as an antioxidant in rubber compounds, Used to dye hair and fur, also used to develop photographs and to synthesize other organic compounds |
| Category | Pharmaceutical Intermediates & APIs |
Documented applications: CIR ingredient: p-Phenylenediamine, p-Phenylenediamine is primarily used as a dye intermediate and as a dye (e.g, hair dyes and dyes used for dyeing furs), as well as a photographic developing agent and a chemical intermediate. p-Phenylenediamine is also used as a vulcanization accelerator and as an antioxidant in rubber compounds, Used to dye hair and fur, also used to develop photographs and to synthesize other organic compounds.
Para Phenylene Diamine is a pharmaceutical intermediate or API compound with CAS registry number 25168-37-0 and molecular formula C6H8N2 (molecular weight 108.14), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 25168-37-0
Its molecular formula C6H8N2 comprises 6 C, 8 H, 2 N atoms.
Also known as: Para Phenylene Diamine · 对苯二胺
Category: pharmaceutical intermediates and APIs
The CAS registry number of Para Phenylene Diamine is 25168-37-0.
Molecular formula C6H8N2, molecular weight 108.14.
It is also registered under: Para Phenylene Diamine, 对苯二胺.
Recorded applications: CIR ingredient: p-Phenylenediamine, p-Phenylenediamine is primarily used as a dye intermediate and as a dye (e.g, hair dyes and dyes used for dyeing furs), as well as a photographic developing agent and a chemical intermediate. p-Phenylenediamine is also used as a vulcanization accelerator and as an antioxidant in rubber compounds, Used to dye hair and fur, also used to develop photographs and to synthesize other organic compounds.
Category: Pharmaceutical Intermediates & APIs.
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 Para Phenylene Diamine (CAS 25168-37-0), compiled from public chemistry databases.
| CAS Registry Number | 25168-37-0 |
|---|---|
| PubChem CID | 7814 |
| Molecular formula | C6H8N2 |
| IUPAC name | benzene-1,4-diamine |
| UNII (FDA) | U770QIT64J |
| Molecular Weight | 108.14 |
|---|---|
| XLogP3 | -0.3 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 108.068748264 |
| Monoisotopic Mass | 108.068748264 |
| Topological Polar Surface Area | 52 |
| Heavy Atom Count | 8 |
| Boiling Point | 513 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 267 °C |
| Boiling Point | 513 °F |
| Boiling Point | 267 °C @760 [mm Hg] |
| Melting Point | 284 °F (NTP, 1992) |
| Melting Point | 145-147 °C |
| Melting Point | 139-147 °C |
| Melting Point | 295 °F |
| Melting Point | 141.1 °C |
| Flash Point | 311 °F (NTP, 1992) |
p-Phenylenediamine; 106-50-3; 1,4-BENZENEDIAMINE; 1,4-Diaminobenzene; 1,4-Phenylenediamine; 4-Aminoaniline; para-phenylenediamine; p-Aminoaniline; p-Diaminobenzene; Orsin; Paraphenylenediamine; Ursol D; 4-Phenylenediamine; p-Benzenediamine; Fouramine D; Futramine D
| Regulatory & Food Contact | FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetics ingredient -> Colorant; Other (Specify) CIR / INCI: Cosmetic ingredients (p-Phenylenediamine) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Hair dyeing |
|---|
| Reported hazard statements | H301, H311, H317, H319, H331, H400, H410, H370 (38.9%) |
|---|
H301: Toxic if swallowed [Danger Acute toxicity, oral]
H311: Toxic in contact with skin [Danger Acute toxicity, dermal]
Para Phenylene Diamine · CAS 25168-37-0 · C6H8N2. UNII U770QIT64J. Boiling Point: 513 °F at 760 mmHg (NTP, 1992); Boiling Point: 267 °C; Boiling Point: 513 °F.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 对苯二胺