Diammonium Phosphate - PHOSPHATE - WATER SOLUBLE FERTILIZRE - PRODUCT - CXCHEM

PHOSPHATE

PHOSPHATE

Diammonium Phosphate

磷酸氢二铵(DAP)

Diammonium Phosphate

化学式:(NH4)2HPO4

Chemical formula:(NH4)2HPO4

分子量:132.0

Molecular weight:132.0

执行标准:HG/T4132-2010 (工业级)GB 30613-2014 (食品级)

Standard executed :HG/T4132-2010(Tech grade)  GB 30613-2014 (Food grade)

性状:白色粒状晶体,相对密度为1.619,熔点155℃,易溶于水,不溶于醇,在空气中逐渐失去氨生成磷酸二氢铵。

Property:White crystal, Relative density is 1.619g/cm3, melting point is 155℃, easily soluble in water , insoluble in alcohol, PH value of 1%solution is 8.0

技术指标:Technical Specifications:

序号

No.

指标名称

Specifications

工业级

Tech grade

食品级

Food grade

1

    主含量((NH4)2HPO4计)                 % ≥

     Main content

99

99

2

    P2O5                                % ≥

    Phosphorus pentoxide

53.0

53.0

3

    氮                                   % ≥

     Nitrogen, as N

21.0

21.0

4

    1%水溶液PH值      

     PH of 1% solution

7.8-8.2

7.6-8.2

5

     水不溶物                             % ≤

     Water insoluble

0.1

0.1

6

    水份(H2O)                            % ≤

     Moisture

0.2

0.2

7

     氟化物(以F计)

     Fluoride, as F                          % ≤

/

0.001

8

    重金属(以Pb计)

    Heavy metals, as Pb                     % ≤

0.005

0.001

9

    砷(以As计)                       

     Arisenic, as As                         % ≤

0.005

0.0003


用途:主要用于木材、纸张、织物作防火剂,也用作防火涂料添加剂,同事也是生产高聚合度聚磷酸铵的的原料。 另外, 还可用于印刷制版和医药的制造,在食品工业中用作发酵剂、营养剂等。在农业上作为无氯型N、P、二元复合肥使用, 其总养分 (N+P2O5)为74%, 是配制N、P、K 三元复混肥的优质基础原料。

Uses:As a fire-prevention agent for fabric, timber and paper. Also as a raw maerials for ammonium polyphosphate of high polymerization. It may be used for makeding printing plates; in food industry it is mainly used as a fermentation agent, nourishment and so on; In agriculture, it is used as a high effective non-chloride N,P compound fertilizer and containing totally 74% fertilizer elements, it is often used as a basic raw material for N,P and K compound fertilizer.

包装:内塑外编,每袋净重25 Kg、 50Kg 、1000Kg,贮于通风干燥处。

Packing:Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg , store at a cool, dry and well ventilated place.



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