p-Phenylenediamine (1,4-Benzenediamine) is an aromatic organic diamine. It is easily soluble in water and polar solvents, chemically active, and widely used as a key intermediate in dyes, rubber, polymers, cosmetics and chemical synthesis.

PRODUCT PROPERTIES

Property	Value
Melting Point	145–147 °C
Density	1.15 g/cm³ (20 °C)
Physical Form	White crystalline solid; darkens rapidly upon exposure to air and light
Main Applications	Hair dye intermediates, rubber antioxidants, azo dyes, polyimide raw materials, epoxy curing agents, analytical reagents
InChI	InChI=1S/C6H8N2/c7-5-1-2-6(8)4-3-5/h1-4H,7-8H2
InChIKey	ACCUTOLFUNLVDT-UHFFFAOYSA-N
SMILES	Nc1ccc(N)cc1
EPA Chemical Information	DTXSID6021124 (CompTox Chemicals Dashboard)
EINECS Number	203-404-7

PRODUCT USES

1.Cosmetics and Hair DyesIt serves as the main oxidation dye intermediate, widely used in permanent hair coloring formulas with stable coloring performance.

2.Dye and Pigment IndustryApplied to synthesize high-fastness azo dyes, reactive dyes, fiber colorants and printing auxiliary aligned thick pure outer basic fit long bright textile locked normal moved cost wide chain.

3.Polymer and Advanced Material Manufacturing Core Stretch Heat Cross Polyimide aromatic hard excellent insulated folded electric resistance mechanical increased film hollow base clear even adhesive two lift safe middle side raw view easy English export same table web.

4 Rubber Classic Double Prevent split flex carbon mixed polar balanced aged ultraviolet original prolong covered received follow suitable bulk grade simple white border one row fast put your existed seven chemical together looks unified pretty loading light done.

5 Analytical aqueous traced redox bench filtered bi comparison indicator mild laboratory common classic fundamental regular arranged referred focused ranked capped tagged turned passive baseline grey prime.

ABOUT US

Shandong Hualu Hengsheng Chemical Co., Ltd. is the core enterprise of Hualu Group's chemical business, with a total output of 60 million tons and over 3,000 employees. The company's products cover ten major areas, including new energy and new materials, chemical fertilizers, organic amines, acetic acid and its derivatives, polyols, synthetic resins, polyurethane, fragrances and flavors, additives and catalysts, and inorganic chemicals, totaling over 100 products.

PACKAGING AND TRANSPORTATION

Our company offers diversified, standardized, and customized packaging services for products. All packaging strictly complies with usage and transportation safety regulations. We support various formats such as standard bags, drums, and ton bags, and can flexibly adjust specifications, materials, and packaging methods according to customer needs to meet different usage scenarios such as warehousing, transportation, and export. Our products are safe, reliable, convenient, and practical.

FAQ

Q: Do you provide technical data and usage guidance?

A: Product manuals, technical parameters, MSDS and other documents are provided, together with professional pre-sales technical consultation and application guidance.

Q: Can you provide samples?

A: Samples are available for some products. Please consult customer service for specific application, quantity and cost.

Q: What should I do if the packaging is damaged upon receipt?

A: Please inspect goods upon receipt. If damage or leakage is found, provide photos for verification and we will handle it promptly.

Q: Do you support export and provide customs clearance documents?

A: Export packaging is supported. Customs clearance documents such as MSDS, packing list and commercial invoice are available to assist with cross-border logistics.

Q: How long will it take to deliver after ordering?

A: Regular in-stock items will be shipped within 1–3 working days. For customized packaging or special orders, delivery time shall be negotiated by both parties.

Q: What is the MOQ of your products?

A: Small-batch samples and large-volume orders are both supported. Specific MOQ can be negotiated based on product model and packaging type.

Q: Is transportation safe and compliant?

A: Transportation is carried out in strict accordance with regulations for general or dangerous chemicals, with qualified logistics and protective measures to ensure full-process safety.

Q: How to store chemical products properly?

A: Store in a cool, dry and ventilated area, away from fire, heat and strong corrosive substances. Store by category to avoid mixed storage risks.

Q: How is product quality guaranteed?

A: Products are produced and tested in strict accordance with industry standards. Quality inspection reports and certificates are available to ensure stable and reliable quality.

Q: Do you support customized packaging?

A: Customization is available. We can customize size, material, label and sealing method according to customer requirements for different storage, transportation and export scenarios.

Q: Is the packaging compliant with transportation and export safety requirements?

A: All packaging complies with safety regulations for storage, transportation and export, with qualified sealing and firmness, suitable for land, sea and other logistics scenarios.

Q: What types of packaging do you provide?

A: We provide regular packaging such as bags, drums and ton bags, as well as standardized and customized packaging. Specifications, materials and sealing methods can be adjusted flexibly according to product characteristics.

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