Diammonium phosphate is an inorganic phosphate with the chemical formula (NH₄)₂HPO₄. It is a white or grayish crystalline solid, highly soluble in water, and its aqueous solution is weakly alkaline. It has good hygroscopicity and stability under normal conditions, and decomposes upon heating to release ammonia. It is an important source of nitrogen and phosphorus nutrients and is widely used in agriculture and industry.

PRODUCT PROPERTIES

Property	Details
Melting Point	Decomposes at 155 °C
Density	1.62 g/cm³
Physical Form	White or light gray crystalline solid or granules
InChI	InChI=1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)
InChIKey	LXSONXBVHNHTEM-UHFFFAOYSA-N
SMILES	[NH4+].[NH4+].OP(=O)([O-])O
EPA Chemical Information	Low acute toxicity; excessive release into water may lead to eutrophication; agricultural and industrial discharge are regulated to prevent environmental pollution.

PRODUCT USESE

Widely used as a high-concentration nitrogen-phosphorus compound fertilizer to provide essential nutrients for crops, promote root development and improve yield and quality. Applied as a feed additive to supplement phosphorus and nitrogen for livestock and poultry. Used as a buffering agent and nutrient source in fermentation and microbial culture. Serves as a flame retardant and fire extinguishing agent additive for wood, paper and textiles. Employed in water treatment as a corrosion inhibitor and scale dispersant. Also used in food processing as a nutritional fortifier and leavening agent, and in the manufacture of dry chemical fire extinguishing agents.

ABOUT US

Shandong Hengyi Chemical Co., Ltd. is a enterprise of 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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