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Diammonium Phosphate
Diammonium phosphate, or DAP, is a white crystalline compound with the chemical formula (NH4)2HPO4, identified by CAS number 7783-28-0 and E342 as a food additive. The industrial and food-grade grades both contain a minimum of 99.0% (NH4)2HPO4, with phosphorus pentoxide (P2O5) at 53.0% and nitrogen (N) at 20.8%. The pH range is tightly controlled between 7.8 and 8.2, and moisture content is held at 0.2% or less. Water insoluble matter is limited to 0.10% in both grades, ensuring high solubility for consistent application.
The product is manufactured through chemical synthesis using ammonia and phosphoric acid as feedstocks. Food-grade material includes additional controls for heavy metals, with lead capped at 0.001% and arsenic at 0.0003%. Fluoride content is maintained at 0.005% maximum. These limits align with international food safety standards for fermentation aids. The crystalline form is free-flowing and stable under dry conditions, making it suitable for direct addition to liquid fermentation media without clumping.
Diammonium phosphate is primarily used as a yeast nutrient in winemaking and mead production, where it provides bioavailable nitrogen and phosphorus to support healthy yeast metabolism and prevent stuck fermentations. Buyers include commercial breweries, wineries, and specialty fermentation labs. The product is packaged in 25kg multi-wall paper bags with inner polyethylene lining, and bulk shipments are available in 1000kg jumbo bags. Trade terms are typically FOB Nanjing port, with lead times of 10 to 15 days after order confirmation.
| Chemical formula | (NH4)2HPO4 |
| CAS number | 7783-28-0 |
| E number | E342 |
| Main content (as (NH4)2HPO4) | 99.0% |
| Phosphorus pentoxide (P2O5) | 53.0% |
| Nitrogen (N) | 20.8% |
| pH value | 7.8 - 8.2 |
| Moisture content | 0.2% |
| Water insoluble matter | 0.10% |
| Heavy metal (as Pb) | 0.001% (food grade only) |
| Arsenic (As) | 0.0003% (food grade only) |
| Fluoride (as F) | 0.005% (typical for food-grade DAP) |
Dinayen Enterprise Management is based in Nanjing, China, operating from a registered facility in Suning Wisdom Valley. The company is listed as a harbor-tier supplier with no verified response rate or average response time recorded. The profile does not indicate production capacity, export volume, or client list. The listing confirms experience in manufacturing and exporting DAP for approximately 10 years, but does not state headcount, certifications, or laboratory testing capabilities.
The supplier does not claim ISO, SGS, or other third-party certifications. No details are provided about raw material sourcing, quality control procedures, or production batch tracking. The only verifiable information is the physical address and the product specifications listed in the source description. Buyers should request test reports for each batch and confirm packaging and labeling compliance before shipment.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Diammonium Phosphate from Dinayen Enterprise Management - China Import Guide
Before ordering DAP from Dinayen Enterprise Management, verify the grade (industrial or food) and request a Certificate of Analysis for each batch. Confirm that heavy metal and fluoride levels meet your regulatory requirements, especially if used in food or beverage applications. Ensure the packaging matches your handling capabilities, as bulk bags require forklift access and dry storage. Do not rely on supplier claims without independent documentation.
Shipping terms are typically FOB Nanjing, but Incoterms must be confirmed in writing. Lead time is generally 10 to 15 days after payment, but may vary with production schedules. Payment is commonly by T/T in advance or LC at sight. Buyers should clarify whether the supplier handles export documentation and customs clearance. Confirm that the product is labeled in compliance with destination country regulations for food additives.
For quality assurance, request a pre-shipment inspection to verify moisture content, particle size, and absence of discoloration or foreign matter. Test samples for pH and solubility upon arrival. Retain a sample from each batch for future reference. Ensure the supplier provides batch-specific documentation, including test results and manufacturing date. DAP is stable for 24 months if stored dry, but humidity exposure can compromise quality rapidly.
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30 suppliersBuy Diammonium Phosphate in Bulk — Supplier in China
When sourcing Diammonium Phosphate for your business, securing the right balance of quality and cost is essential. Dinayen Enterprise Management, a supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1.05/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Industrial Chemicals sector with strong demand from importing countries worldwide.
Diammonium Phosphate Specifications, Trade Terms & Pricing
Importing Diammonium Phosphate requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dinayen Enterprise Management offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Dinayen Enterprise Management — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Diammonium Phosphate for business registration and quality documents before ordering. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of manufacturers and exporters across 200+ countries. Explore similar products in the Industrial Chemicals category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Diammonium Phosphate — Shipping, Logistics & Customs
Importing Diammonium Phosphate requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Diammonium Phosphate
What is the wholesale price of Diammonium Phosphate?
The current listed wholesale price for Diammonium Phosphate from Dinayen Enterprise Management is $1.05/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Dinayen Enterprise Management through EximNext.
What is the Minimum Order Quantity (MOQ) for Diammonium Phosphate?
The supplier, Dinayen Enterprise Management, has set a Minimum Order Quantity (MOQ) of 1 Bags for Diammonium Phosphate. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Diammonium Phosphate?
The HS Code classification for Diammonium Phosphate depends on the specific grade and form. Contact Dinayen Enterprise Management through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Diammonium Phosphate from China?
To import Diammonium Phosphate from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dinayen Enterprise Management. Ensure you have the necessary import licenses for Industrial Chemicals products in your destination country.
How can I check Dinayen Enterprise Management before ordering?
Open the Dinayen Enterprise Management company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Diammonium Phosphate?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Dinayen Enterprise Management through EximNext.
What packaging options are available for bulk orders of Diammonium Phosphate?
Dinayen Enterprise Management offers Diammonium Phosphate with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Diammonium Phosphate the most?
Diammonium Phosphate is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dinayen Enterprise Management through our platform.
What certifications does this Diammonium Phosphate supplier hold?
Dinayen Enterprise Management maintains international quality certifications. These ensure that the Diammonium Phosphate meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Diammonium Phosphate on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dinayen Enterprise Management will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Dinayen Enterprise Management.
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