Ammonium dihydrogen phosphate

Summary:White granular crystal, relative density 1.803, melting point 190 °C, soluble in water, slightly soluble in alcohol, insoluble in ketone, 1% aqueous solution PH value of 4.5

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Detailed

Technical Specifications:

Chemical formula: NH4H2PO4

Molecular weight: 115

Executive standard: GB25569-2010 (food grade)

Attribute:

White granular crystal, relative density 1.803, melting point 190 °C, soluble in water, slightly soluble in alcohol, insoluble in ketone, 1% aqueous solution PH value of 4.5

Use:

Mainly used in wood, paper, fabric as fire retardant, also used as fireproof coating additives, dry powder fire extinguishing agent, etc. in the food industry as starter culture, nutrients, etc. It is used as chlorine-free N, P binary compound fertilizer in agriculture, and its total nutrient (N+P2O5) is 73%, which is a high-quality basic raw material for the preparation of N, P and K ternary compound fertilizer.

Wrap:

Inner plastic and external weaving, net weight of 25, 50, 1000Kg per bag, stored in a ventilated and dry place.

Technical parameters:

No

 Specifications

Food Grade

1

Main contents (in terms of NH4H2PO4)%≥

99.0

2

Phosphorus pentoxide (in terms of P2O5) %≥ 

61.0

3

Nitrogen, as N %≥

11.9

4

PH value (1% solution)

4.3-5.0

5

Moisture %≤

0.2

6

Heavy metal, as Pb %≤

0.001

7

Arsenic, as As %≤

0.0003

8

Fluoride as F  %≤

0.001

9

Water insoluble %≤

0.10

keyword: Ammonium dihydrogen phosphate

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