Triammonium phosphate trihydrate - AR, ≥98% , CAS No.25447-33-0

CAS: 25447-33-0 Cat. No.: A112552 Molecular Weight: 203.13 EC Number: 836-876-3
AVAILABLE TO ORDER
GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. ≥98%
Synonyms
Triammonium phosphate trihydrate | Ammonium phosphate--water (3/1/3) | DTXSID70631284 | Phosphoric acid, triammonium salt, trihydrate | AKOS028109600 | triazanium;phosphate;trihydrate
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100g
A112552-100g
2
$9.90
500g
A112552-500g
3
$35.90
12×500g
A112552-12×500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$363.90
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Why this grade

AR, ≥98% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

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Quality documents

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

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Triammonium phosphate trihydrate | Ammonium phosphate--water (3/1/3) | DTXSID70631284 | Phosphoric acid, triammonium salt, trihydrate | AKOS028109600 | triazanium;phosphate;trihydrate
Specifications & Purity
AR, ≥98%
Storage
Room temperature
Shipped In
Normal
Grade
AR
Purity
≥98%
Names and Identifiers
Pubchem Sid504769388
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504769388
Canonical Smiles[NH4+].[NH4+].[NH4+].O.O.O.[O-]P(=O)([O-])[O-]
IUPAC Nametriazanium;phosphate;trihydrate
InChIKeyDDXPLCBTGWFAIG-UHFFFAOYSA-N
INCHI1S/3H3N.H3O4P.3H2O/c;;;1-5(2,3)4;;;/h3*1H3;(H3,1,2,3,4);3*1H2
Isomeric SMILES [NH4+].[NH4+].[NH4+].O.O.O.[O-]P(=O)([O-])[O-]
Molecular Weight 203.13
Reaxy-Rn 15934825
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=15934825&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 Not available
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
H2120073Certificate of AnalysisJun 09, 2025 A112552
I2504886Certificate of AnalysisJun 19, 2024 A112552
D2027085Certificate of AnalysisJan 30, 2024 A112552
B2515088Certificate of AnalysisOct 17, 2023 A112552
J2323165Certificate of AnalysisOct 17, 2023 A112552
E2627042Certificate of AnalysisOct 17, 2023 A112552
I2308002Certificate of AnalysisSep 04, 2023 A112552
H2308037Certificate of AnalysisJul 31, 2023 A112552
H2308038Certificate of AnalysisJul 31, 2023 A112552
I2506041Certificate of AnalysisJul 31, 2023 A112552
E2320022Certificate of AnalysisMay 05, 2023 A112552
B2311210Certificate of AnalysisFeb 02, 2023 A112552
G2322042Certificate of AnalysisOct 15, 2022 A112552
K2216048Certificate of AnalysisOct 15, 2022 A112552
K2216049Certificate of AnalysisOct 15, 2022 A112552
G2226050Certificate of AnalysisJul 05, 2022 A112552
G2226052Certificate of AnalysisJul 05, 2022 A112552
C2323066Certificate of AnalysisJul 05, 2022 A112552
I2209031Certificate of AnalysisMar 31, 2021 A112552

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Chemical and Physical Properties
Molecular Weight203.130 g/mol
XLogP3
Hydrogen Bond Donor Count6
Hydrogen Bond Acceptor Count7
Rotatable Bond Count0
Exact Mass203.088 Da
Monoisotopic Mass203.088 Da
Topological Polar Surface Area92.300 Ų
Heavy Atom Count11
Formal Charge0
Complexity36.800
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 Count7
Citations of This Product
References
1. Fengliang Cao, Wanxin Ni, Qingshan Zhao, Libo Wang, Song Xue, Yanpeng Li, Debin Kong, Mingbo Wu, Linjie Zhi.  (2024)  Precisely manipulating the local coordination of cobalt single-atom catalyst boosts selective hydrogenation of nitroarenes.  APPLIED CATALYSIS B-ENVIRONMENTAL,      [PMID:] [10.1016/j.apcatb.2024.123762]
Solution Calculators
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