Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Product Overview
Ammonium hydrogen orthophosphate (CAS 7783-28-0), also known as diammonium hydrogen phosphate, is a common inorganic phosphate salt. It appears as white crystalline powder or granular crystal. With good water solubility, buffering property and fertilizer efficiency, it is widely used in fertilizer, food, water treatment, electroplating and chemical industries. Produced via neutralization, crystallization and drying processes, it features high purity, uniform particle size and stable quality. For legitimate industrial production, formulation and scientific research only.
Product Features
- High Purity: ≥99.0%, low impurities, meets industrial and food grade standards.
- Good Solubility: Dissolves quickly in water, suitable for various aqueous systems.
- Stable Performance: Chemically stable under normal storage and application conditions.
- Multiple Functions: Used as fertilizer, leavening agent, buffering agent and metal chelating agent.
- Strict Quality Control: Each batch is fully tested; standard COA and MSDS are available upon request.
Physical & Chemical Properties
Physical Properties
- Appearance: White crystalline powder or granular crystal
- Odor: Odorless
- Molecular Formula: H9N2O4P
- Molecular Weight: 132.06
- Melting Point: 155 °C (decomposition)
- Density: 1.619 g/cm3 (20 °C)
- pH Value (10% aqueous solution): 7.8 – 8.2
- Solubility: Freely soluble in water; insoluble in ethanol and acetone
- Hygroscopicity: Slightly hygroscopic in humid air
Chemical Properties
- Chemical Stability: Stable at room temperature. Decomposes when heated to release ammonia gas.
- Acid-Base Character: Aqueous solution shows weak alkalinity.
- Chemical Reaction: Reacts with strong acids to generate phosphoric acid; reacts with strong alkalis to release ammonia.
- Incompatibility: Keep away from strong alkalis, strong oxidants and high temperature environment.
Applications
- Fertilizer Industry: High-efficiency compound fertilizer, providing nitrogen and phosphorus elements for crops.
- Food Industry: Food leavening agent, nutritional supplement and pH regulator.
- Water Treatment: Water quality stabilizer and scale inhibitor for industrial circulating water.
- Electroplating Industry: Additive for electroplating solution to improve coating quality.
- Chemical Industry: Raw material for phosphate derivatives and laboratory analytical reagent.
Usage Restriction: For industrial synthesis and scientific research use only. Strictly forbidden for illegal processing and improper application.
Storage & Transportation Instructions
Storage Conditions
Store in a cool, dry and well-ventilated warehouse. Keep containers tightly sealed to prevent moisture absorption. Store separately from strong alkalis, oxidants and toxic substances. Keep away from heat sources. Recommended storage temperature: 10 – 25 °C. Reseal containers immediately after opening.
Transportation Requirements
This product is classified as non-hazardous goods. Adopt moisture-proof sealed packaging. Avoid violent collision, extrusion and rain soaking during transit. Do not transport together with alkaline substances, food and feed.
Operation Notes
Wear dust mask and chemical-resistant gloves. Operate in a well-ventilated area. Avoid inhalation of dust and direct contact with skin and eyes. Rinse with plenty of clean water in case of contact. Do not eat, drink or smoke in the working area.
Regulatory Information
EINECS Number: 231-987-4
HS Code: 2835290000
Complies with international inorganic chemical and food additive standards. Export products follow IATA and IMDG provisions. All transactions are limited to qualified chemical factories, fertilizer manufacturers, food enterprises and research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | Ammonium hydrogen orthophosphate |
| CAS NO. | 7783-28-0 |
| IUPAC Name | Diammonium hydrogen phosphate |
| Synonyms | Diammonium phosphate; DAP |
| Molecular Formula | H9N2O4P |
| Molecular Weight | 132.06 |
| EINECS Number | 231-987-4 |
| UN Number | Non-hazardous goods |
| Hazard Class | None |
| Appearance | White crystalline powder or granular crystal |
| Purity | ≥99.0% |
| Water Content | ≤1.0% |
| Melting Point | 155 °C (Decomposition) |
| Density | 1.619 g/cm3 (20 °C) |
| pH (10% Solution) | 7.8 – 8.2 |
| Solubility | Freely soluble in water; insoluble in ethanol |
| HS Code | 2835290000 |
| Storage Temperature | 10 – 25 °C, sealed, dry environment |
| Packing Specification | 1kg/plastic bottle, 25kg/woven bag or fiber drum |
| Grade Standard | Industrial Grade / Food Grade / Agricultural Grade / Research Grade |
| Application Scope | Compound fertilizer, food additive, water treatment agent, electroplating auxiliary |
| Validity Period | 24 Months under specified storage conditions |
