Potassium triphosphate - ≥85% , CAS No.13845-36-8

CAS: 13845-36-8 Cat. No.: P165312 Formula: K5O10P3 Molecular Weight: 448.41 EC Number: 237-574-9 PubChem CID: 61695
AVAILABLE TO ORDER
GRADE & PURITY ≥85%
Synonyms
Q15632716 | TRIPHOSPHORIC ACID PENTAPOTASSIUM SALT CLASSIFICATION: INORGANIC | MFCD00054129 | POTASSIUM PHOSPHATE (K5P3O10) | EINECS 237-574-9 | pentapotassium;[oxido(phosphonatooxy)phosphoryl] phosphate | potassium triphosphate | Potassium triphosphate (
Storage
Room temperature,Desiccated
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
100g
P165312-100g
3 In stock
—
$9.90
250g
P165312-250g
1 In stock
—
$17.90
500g
P165312-500g
1 In stock
1 In stock
$28.90
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥85% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Desiccated 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 53 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Q15632716 | TRIPHOSPHORIC ACID PENTAPOTASSIUM SALT CLASSIFICATION: INORGANIC | MFCD00054129 | POTASSIUM PHOSPHATE (K5P3O10) | EINECS 237-574-9 | pentapotassium;[oxido(phosphonatooxy)phosphoryl] phosphate | potassium triphosphate | Potassium triphosphate (
Specifications & Purity
≥85%
Storage
Room temperature,Desiccated
Shipped In
Normal
Purity
≥85%
Product Line
P165312-100g
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488183526
Canonical Smiles
[O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[K+].[K+].[K+].[K+].[K+]
IUPAC Name
pentapotassium;[oxido(phosphonatooxy)phosphoryl] phosphate
InChIKey
ATGAWOHQWWULNK-UHFFFAOYSA-I
INCHI
1S/5K.H5O10P3/c;;;;;1-11(2,3)9-13(7,8)10-12(4,5)6/h;;;;;(H,7,8)(H2,1,2,3)(H2,4,5,6)/q5*+1;/p-5
Isomeric SMILES
[O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[K+].[K+].[K+].[K+].[K+]
PubChem CID
61695
Molecular Weight
448.41

Documentation

📋 Safety Data Sheet (SDS)

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

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ 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
SuperclassMixed metal/non-metal compounds
ClassAlkali metal oxoanionic compounds
SubclassAlkali metal phosphates
Intermediate Tree Nodes Not available
Direct ParentAlkali metal phosphates
Alternative Parents Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal phosphate - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal phosphates. These are inorganic compounds in which the largest oxoanion is phosphate, 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.

17 results found

Lot NumberCertificate TypeDateItem
J2608960J2608960Certificate of AnalysisAug 17, 2026 P165312
I2620600I2620600Certificate of AnalysisAug 17, 2026 P165312
I2620598I2620598Certificate of AnalysisAug 17, 2026 P165312
J22111311J22111311Certificate of AnalysisJul 03, 2026 P165312
J22111271J22111271Certificate of AnalysisJul 03, 2026 P165312
C2603139C2603139Certificate of AnalysisMar 17, 2026 P165312
C1827019C1827019Certificate of AnalysisOct 14, 2025 P165312
H2518071H2518071Certificate of AnalysisAug 26, 2025 P165312
F2015083F2015083Certificate of AnalysisApr 03, 2024 P165312
G2312081G2312081Certificate of AnalysisJul 17, 2023 P165312
E2306636E2306636Certificate of AnalysisMay 15, 2023 P165312
J22111273J22111273Certificate of AnalysisOct 20, 2022 P165312
J22111274J22111274Certificate of AnalysisOct 20, 2022 P165312
A2513325A2513325Certificate of AnalysisOct 20, 2022 P165312
G2222393G2222393Certificate of AnalysisJul 25, 2022 P165312
G2219222G2219222Certificate of AnalysisJul 21, 2022 P165312
201712095786201712095786Certificate of AnalysisJul 16, 2022 P165312
Chemical and Physical Properties
Molecular Weight448.410 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count10
Rotatable Bond Count2
Exact Mass447.689 Da
Monoisotopic Mass447.689 Da
Topological Polar Surface Area185.000 Ų
Heavy Atom Count18
Formal Charge0
Complexity241.000
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 Count6
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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