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MAP12-61-0
    Publish time 2025-06-13 16:47    
MAP12-61-0

Molecular Formula: NH4H2PO4                                                                                   Molecular Weight: 115.03  

CAS No.: 7722-76-1                                                                                                       EINECS No.:231-764-5                            

     

Properties:MAP12-61-0 is white or colorless crystals. It is easily soluble in water, forming a weakly acidic solution.The density is approximately 1.80 g/cm³. Heat of Solution: Dissolution is endothermic (solution temperature decreases).

Application:  

1. Agricultural field  

A. Water Soluble Fertilizer: As a high-phosphorus compound fertilizer which is suitable for drip irrigation and foliar spraying, rapidly supplementing phosphorus and nitrogen.

B. Acidic Soil Amendment: High solubility in acidic environments, ideal for phosphorus-deficient acidic soils (e.g., red soil).

C. Chloride-Free Formula: Safe for chloride-sensitive crops (e.g., tobacco, citrus)

2. Industrial and Materials field

A. Firefighting field: Core Component of dry chemical fire extinguishers

B.Flame Retardant: Added to plastics, rubber, and textiles to enhance flame resistance (e.g., polyurethane foam).

C.Food Industry: Acts as a leavening agent and dough conditioner (food-grade purity required).

D.Electronic Materials: Raw material for preparing piezoelectric crystals  

E. Chemical Synthesis: Used in producing other phosphates (e.g., diammonium phosphate)

Packing and storage: 25kg, 50kg, 1000kg,1200kg net bag, store at a cool, dry and well ventilated place.

Shelf life: 2 years

Technical Specifications  

Inspection Item

Specification Standard(TG)

Specification Standard(FG)

Main Contents ( NH4H2PO4 in dry basis) % ≥

98.5

99.0

P2O5                                                         % ≥

60.8

61.0

Total Nitrogen (As N)                                  %≥

11.8

11.8

pH value (10g/L solution) 

4.2-4.7

4.2-4.7

Moisture                                                    % ≤

0.2

0.2

Water Insoluble                                         % ≤

0.2

0.1

Heavy metals(as Pb)                                 % ≤

/

0.001

As                                                              % ≤

/

0.0003

F                                                                % ≤

/

0.001

Pb                                                              % ≤

/

0.0004

Appearance

                   White Crystal

    White Crystal

















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