At NINGBO INNO PHARMCHEM CO.,LTD., we are dedicated to providing in-depth insights into the specialty chemicals that drive various industries. Today, we focus on 4-nitro-o-phenylenediamine, a compound whose chemical synthesis and properties make it indispensable as a 'hair dye intermediate'. Understanding its molecular structure, reaction pathways, and physical characteristics is crucial for chemists and formulators seeking high-performance ingredients.

The chemical name 4-nitro-o-phenylenediamine, along with its synonyms 4-nitrobenzene-1,2-diamine and 4-nitro-o-phenylenediamine, points to its structure: an aromatic diamine with a nitro group attached. Its molecular formula, C6H7N3O2, and molecular weight of 153.13900, define its basic chemical identity. The CAS number 99-56-9 serves as its unique identifier in chemical databases worldwide. The 'synthesis of 4-nitro-1,2-phenylenediamine' typically involves nitration reactions on appropriate precursors, carefully controlled to achieve the desired isomer and purity.

The physical and chemical properties of 4-nitro-o-phenylenediamine are key to its utility. It presents as an orange-red crystalline powder, a visual cue to its chemical nature. Its melting point, recorded between 199-201°C, indicates good thermal stability. The high boiling point of 421.1°C and a flash point of 208.5°C suggest safe handling under normal industrial conditions. The refractive index of 1.708 is another physical parameter useful for identification and quality control. These 'properties of 4-nitrobenzene-1,2-diamine' are meticulously maintained in our production at NINGBO INNO PHARMCHEM CO.,LTD.

For professionals looking to 'buy 4-nitro-o-phenylenediamine online', ensuring adherence to specifications is paramount. Our product guarantees a purity of ≥99.0% (HPLC), with minimal ash content (≤0.5%) and loss on drying (≤0.5%). These low impurity levels are critical for its application in sensitive areas like hair dye formulations, where consistent performance is required. The 'uses of 4-nitro-o-phenylenediamine' are primarily centered around its role as a precursor in dye synthesis, where it contributes to color development and stability.

When considering 'chemical intermediates for hair dyes', the reliability and quality of the feedstock are non-negotiable. NINGBO INNO PHARMCHEM CO.,LTD. ensures that our supply of 4-nitro-o-phenylenediamine meets the exacting demands of the cosmetic industry, supporting the creation of vibrant and long-lasting hair colors. The '4-nitro-o-phenylenediamine hair dye intermediate' is a testament to the precision chemistry that NINGBO INNO PHARMCHEM CO.,LTD. delivers.