Ammonium phosphate dibasic - UltraPureChrom™, for HPLC, ≥99%(T) , CAS No.7783-28-0

CAS: 7783-28-0 Cat. No.: A434068 Formula: H9N2O4P Molecular Weight: 132.06 EC Number: 231-987-8
AVAILABLE TO ORDER
GRADE & PURITY UltraPureChrom™ ? UltraPureChrom™ — Aladdin's ultra-pure line for chromatography and spectroscopy. Use as a premium solvent/reagent where the lowest impurity background is required. for HPLC ? Suitable for HPLC — meets purity needs for liquid-chromatography use. Use for routine HPLC mobile phases and sample prep. ≥99%(T)
Synonyms
Diammonium orthophosphate | Fyrex | Pelor | Ammonium phosphate, dibasic | K2 (phosphate) | Diammonium hydrogen phosphate | Akoustan A | DIAMMONIUM PHOSPHATE | Phosphoric acid, diammonium salt | Coaltrol LPA 445 | Dibasic ammonium phosphate
Storage
Room temperature
★
Size
Germany (EU)
USA*
Price
Qty
50g
A434068-50g
—
2 In stock
€30.28
250g
A434068-250g
3 In stock
8 In stock
€74.54
500g
A434068-500g
1 In stock
—
€131.81
Enter a quantity for the sizes you want to add.
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Why this grade

UltraPureChrom™, for HPLC, ≥99%(T) for HPLC,UltraPureChrom™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 137 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Diammonium orthophosphate | Fyrex | Pelor | Ammonium phosphate, dibasic | K2 (phosphate) | Diammonium hydrogen phosphate | Akoustan A | DIAMMONIUM PHOSPHATE | Phosphoric acid, diammonium salt | Coaltrol LPA 445 | Dibasic ammonium phosphate
Specifications & Purity
UltraPureChrom™, for HPLC, ≥99%(T)
Storage
Room temperature
Grade
for HPLC, UltraPureChrom™
Purity
≥99%(T)
Names and Identifiers
Pubchem Sid528774374
Canonical Smiles[NH4+].[NH4+].OP(=O)([O-])[O-]
IUPAC Namediazanium;hydrogen phosphate
InChIKeyMNNHAPBLZZVQHP-UHFFFAOYSA-N
INCHI1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)
Isomeric SMILES [NH4+].[NH4+].OP(=O)([O-])[O-]
WGK Germany 1
Molecular Weight 132.06
Reaxy-Rn 11460961
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11460961&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassHomogeneous non-metal compounds
ClassNon-metal oxoanionic compounds
SubclassNon-metal phosphates
Intermediate Tree Nodes Not available
Direct ParentNon-metal phosphates
Alternative Parents Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Non-metal phosphate - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as non-metal phosphates. These are inorganic non-metallic compounds containing a phosphate as its largest oxoanion.
External Descriptors ammonium salt - inorganic phosphate
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

19 results found

Lot NumberCertificate TypeDateItem
D2609175Certificate of AnalysisMar 07, 2026 A434068
D2609178Certificate of AnalysisMar 07, 2026 A434068
D2609179Certificate of AnalysisMar 07, 2026 A434068
D2609180Certificate of AnalysisMar 07, 2026 A434068
C2308535Certificate of AnalysisDec 12, 2025 A434068
E2523187Certificate of AnalysisApr 26, 2025 A434068
L2515072Certificate of AnalysisApr 26, 2025 A434068
E2523215Certificate of AnalysisApr 26, 2025 A434068
E2523190Certificate of AnalysisApr 26, 2025 A434068
E2523189Certificate of AnalysisApr 26, 2025 A434068
E2523188Certificate of AnalysisApr 26, 2025 A434068
F2401035Certificate of AnalysisMay 13, 2024 A434068
F2401046Certificate of AnalysisMay 13, 2024 A434068
F2401047Certificate of AnalysisMay 13, 2024 A434068
C2308468Certificate of AnalysisFeb 17, 2023 A434068
C2531046Certificate of AnalysisFeb 17, 2023 A434068
C2308534Certificate of AnalysisFeb 17, 2023 A434068
K2320027Certificate of AnalysisFeb 17, 2023 A434068
C2308506Certificate of AnalysisFeb 17, 2023 A434068
Chemical and Physical Properties
SolubilityH2O: 50mg/mL, clear, colorless
x_melt_point_char155 °C
Molecular Weight132.060 g/mol
XLogP3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass132.03 Da
Monoisotopic Mass132.03 Da
Topological Polar Surface Area85.400 Ų
Heavy Atom Count7
Formal Charge0
Complexity46.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
FAQs and Articles
Citations of This Product
Solution Calculators
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