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White Diammonium Phosphate 99.99%

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CAS No.:

7783-28-0

Grade:

Pharmaceutical Grade

Content:

99.99%

Port:

Guangzhou

Packaging:

Bags, Cartons, Drums

Price valid (until):

2024-11-29

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DINAYEN'S ENTERPRISE MANAGEMENT CO,.LTD

Company Type:

Trader

Location:

Hongkong, China

Payment Terms:

TT against copy of documents,L/C,100% TT in advance

Average Lead Time:

45 days

Qualification:

Main Products:

chemicals

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Product Description
Seller Information
Inquiry History

Description

CAS 7783-28-0 Product Detail

Items	Specfications
CAS	7783-28-0
Name	Diammonium phosphate
Molecular Formula	H9N2O4P
Molecular Weight	132.056
Density	1.203 g/mL at 25 °C
Boiling Point	158ºC at 760 mmHg
Melting Point	155 °C (dec.)(lit.)
EINECS	7783-28-0
Flash Point	N/A
Exact Mass	132.029999
PAS	94.05000
LogP	4.34

Packaging and Delivery

1) 1kg/bag (1kg net weight, 1.1kg gross weight, packed in an aluminum foil bag)
2) 25kg/drum (25kg net weight, 28kg gross weight; Packed in a cardboard-drum with two plastic-bags inside; Drum Size: 510mm high,360mm diameter)
3) Storage Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.

1. Prepare buffer and medium. Corrosion inhibitors. Textile, paper, wood, vegetables, fiber fire retardant. Flux for soldering tin, copper, zinc, etc. Refined sugar. Chemical fertilizers. Bread improver. Food additives. In the field of water treatment, it is mainly used as corrosion inhibitor and bacterial nutrient in the biochemical treatment of wastewater, and also used as a softening agent component of boiler water. It can also be used as dry powder fire extinguishing agent, welding melt, yeast culture, fermentation food and bread leavening agent. Flame retardant in fabrics, paper, wood and plant fibers. In addition, also used in fertilizer, feed additives, printing plate, pharmaceutical, electronic tube manufacturing and ceramics and enamel industry and other fields. Analytical reagent for precipitation of magnesium, zinc, nickel, uranium, etc.

2. Used as food leavening agent, dough regulator, buffer, yeast food

3. Used as feed additive for ruminants.

ECHEMI Editorial Reference

It appears as colorless transparent monoclinic crystal or white powder, being soluble in water, insoluble in alcohol, acetone and ammonia.
DryPowder; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid|ODOURLESS WHITE CRYSTALS OR POWDER.
Diammonium hydrogen phosphate is an inorganic phosphate, being the diammonium salt of phosphoric acid. The commercially available fertilizer has an analysis of 18-46-0 (N-P2O5-K2O) and is marketed under the name diammonium phosphate or DAP. It has a role as a fertilizer. It is an inorganic phosphate and an ammonium salt.

Basic Info

Product Name:

Diammonium hydrogen phosphate

Other Name:

Phosphoric acid,ammonium salt (1:2);Phosphoric acid,diammonium salt;Ammonium phosphate dibasic;Diammonium hydrogen phosphate;Diammonium phosphate;Secondary ammonium phosphate;Dibasic ammonium phosphate;Ammonium monohydrogen orthophosphate;Diammonium monohydrogen phosphate;Ammonium hydrogen phosphate;Diammonium orthophosphate;Diammonium acid phosphate;Ammonium dibasic phosphate;Diammonium hydrogen orthophosphate;Ammonium hydrogen phosphate ((NH4)2HPO4);Pelor;Phos-Chek 202A;Hydrogen diammonium phosphate;Coaltrol LPA 445;Akoustan A;K 2 (phosphate);K 2;Ammonium orthophosphate dibasic;Diammonium hydrogen phosphate ((NH4)HPO4);Ammonium monohydrogen phosphate;Ammonium phosphate ((NH4)2(HPO4));Spartan AR 295;DAP;Pyrozyl WAR;1801523-64-7;2250073-86-8

CAS No.:

7783-28-0

Molecular Formula:

H3N.¹/2H3O4P

InChIKeys:

InChIKey=MNNHAPBLZZVQHP-UHFFFAOYSA-N

Molecular Weight:

132.06

Exact Mass:

132.029999

EC Number:

231-987-8

UNII:

10LGE70FSU

ICSC Number:

0217

DSSTox ID:

DTXSID6029705

Color/Form:

White crystals|Crystals or crystalline powder

HScode:

31053000

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

85.4

XLogP3:

-0.28080

Appearance:

White Powder

Density:

1.619 g/cm³

Melting Point:

155 °C (decomp)

Boiling Point:

158ºC at 760 mmHg

Refractive Index:

1.53

Water Solubility:

H2O: 58 g/ 100mL (10 ºC)

Storage Conditions:

Store at RT.

Toxicity:

Reference value: Oral-rat LD50: 17000 mg/kg; Abdominal-rat LDL0: 1000 mg/kg

Flammability characteristics:

Heating produces toxic nitrogen oxides, phosphorus oxides and ammonia fumes

Odor:

Odorless

Taste:

Saline, cooling taste

PH:

pH about 8

Experimental Properties:

Heat of solution: 42 Btu/lb = 23 cal/g|Decomposes into ammonia and monoammonium phosphate at about 70 °C. Unstable at room temperature and exhibits an ammonium vapor pressure in the solid form and in solution.|Gradually loses about 8% ammonia on exposure to air.

See More Diammonium hydrogen phosphate Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Separated from strong oxidants, strong bases and strong acids. Keep in a well-ventilated room.

See More Diammonium hydrogen phosphate Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
chemicals

Location:
1842, Building E07, Suning Wisdom Valley, No.272 Iqingmen Avenue, Gulou Disirict, Nanjing

Payment Terms:
TT against copy of documents,L/C,100% TT in advance

Average lead Time:
45 days

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2017

DINAYEN'S ENTERPRISE MANAGEMENT CO,.LTD is a leading Trader supplier of Sodium phosphate (Na6P6O18), Propylene Glycol, L-Alanine based in Hongkong, China. With a commitment to quality and customer satisfaction, DINAYEN'S ENTERPRISE MANAGEMENT CO,.LTD has become a trusted name in the industry. Our product line includes a range of high-quality Sodium phosphate (Na6P6O18), Propylene Glycol, L-Alanine, which are available at competitive prices. DINAYEN'S ENTERPRISE MANAGEMENT CO,.LTD has established itself as a reliable supplier of chemical products on the echemi.com.

Inquiry History

78 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Diammonium hydrogen phosphate	40 MT	Sep 27, 2026
Thailand	Diammonium hydrogen phosphate	25 MT	Sep 25, 2026
Kazakstan	DAP	1 KG	Sep 23, 2026
Thailand	Diammonium phosphate	1 KG	Sep 20, 2026
France	DAP 18-46	25 MT	Sep 10, 2026
Greece	Diammonium Phosphate	50 KG	Sep 7, 2026
Thailand	Diammonium phosphate DAP	1.00 20' Fcl	Jul 23, 2026
Thailand	Diammonium Phosphate 99%	1.00 20' Fcl	Jun 24, 2026
United States	Diammonium Phosphate (DAP)	8 MT	Jun 5, 2026
Lebanon	DAP Fertilizer	1 KG	Jun 1, 2026
Vietnam	Diammonium Phosphate	1.00 20' Fcl	May 29, 2026
Mexico	Diammonium Phosphate (DAP)	1 KG	May 25, 2026
Italy	DAP	32 MT	May 22, 2026
Thailand	Diammonium Phosphate	1 MT	Apr 17, 2026
South Korea	Ammonium Phosphate	20 MT	Apr 14, 2026
South Africa	Diammonium Phosphate DAP food grade	25 KG	Apr 13, 2026
Nigeria	DAP	1 40' Fcl	Mar 6, 2026
Vietnam	DAP (DIAMMONIUM PHOSPHATE)	1.00 20' Fcl	Feb 25, 2026
Vietnam	DAP (DIAMMONIUM PHOSPHATE)	1.00 20' Fcl	Feb 6, 2026
Kuwait	Diammonium Phosphate	1000 MT	Dec 26, 2025

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White Diammonium Phosphate 99.99%

Product Description

Seller Information

Inquiry History

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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Diammonium hydrogen phosphate Market Price

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