Trisodium hydrogen diphosphate - ≥96% , CAS No.14691-80-6

CAS: 14691-80-6 Cat. No.: T165308 Molecular Weight: 243.90(Anhydrous) EC Number: 238-735-6 PubChem CID: 161081
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
Trisodium diphosphate|14691-80-6|Diphosphoric acid, trisodium salt|AR7OGW33N1|trisodium;[hydroxy(oxido)phosphoryl] phosphate|trisodium;hydron;phosphonato phosphate|DIPHOSPHORIC ACID TRISODIUM SALT|UNII-AR7OGW33N1|EINECS 238-735-6|Diphosphoric acid, sodium
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
500g
T165308-500g
3

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$35.90
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Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Trisodium diphosphate | 14691-80-6 | Diphosphoric acid, trisodium salt | AR7OGW33N1 | trisodium;[hydroxy(oxido)phosphoryl] phosphate | trisodium;hydron;phosphonato phosphate | DIPHOSPHORIC ACID TRISODIUM SALT | UNII-AR7OGW33N1 | EINECS 238-735-6 | Diphosphoric acid, sodium
Specifications & Purity
≥96%
Storage
Room temperature
Shipped In
Normal
Purity
≥96%
Names and Identifiers
Pubchem Sid504757501
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504757501
Canonical SmilesOP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+]
IUPAC Nametrisodium;[hydroxy(oxido)phosphoryl] phosphate
InChIKeyMLIKYFGFHUYZAL-UHFFFAOYSA-K
INCHI1S/3Na.H4O7P2/c;;;1-8(2,3)7-9(4,5)6/h;;;(H2,1,2,3)(H2,4,5,6)/q3*+1;/p-3
Isomeric SMILES OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+]
PubChem CID 161081
Molecular Weight 243.90(Anhydrous)

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassAlkali metal oxoanionic compounds
SubclassAlkali metal pyrophosphates
Intermediate Tree Nodes Not available
Direct ParentAlkali metal pyrophosphates
Alternative Parents Inorganic sodium salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal pyrophosphate - Inorganic sodium salt - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal pyrophosphates. These are inorganic compounds in which the largest oxoanion is pyrophosphate, and in which the heaviest atom not in an oxoanion is an alkali metal.
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.

3 results found

Lot NumberCertificate TypeDateItem
L1725041Certificate of AnalysisJul 09, 2025 T165308
J22111405Certificate of AnalysisOct 15, 2022 T165308
J22111406Certificate of AnalysisOct 15, 2022 T165308
Chemical and Physical Properties
Molecular Weight243.920 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count7
Rotatable Bond Count1
Exact Mass243.889 Da
Monoisotopic Mass243.889 Da
Topological Polar Surface Area133.000 Ų
Heavy Atom Count12
Formal Charge0
Complexity154.000
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 Count4
Citations of This Product
References
1. Jianrong Wang, Luhua Wang, Hongfang Zhao, Hongxia Li, Xiaohui Niu, Yi Wang, Kunjie Wang.  (2024)  Chiral Electrochemical Sensing Platform Constructed by Chiral Chitosan Materials for Enhanced Electrochemical Chiral Analysis.  ELECTROANALYSIS,      [PMID:] [10.1002/elan.202400303]
Solution Calculators
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