Sodium polyphosphate - 65-70% P2O5 basis , CAS No.68915-31-1

CAS: 68915-31-1 Cat. No.: S165315 EC Number: 272-808-3 PubChem CID: 24451
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GRADE & PURITY 65-70% P2O5 basis
Synonyms
sodium dihydrogendiphosphate | CAS-68915-31-1 | DISODIUM PYROPHOSPHATE | Dinatriumpyrophosphat [German] | DISODIUM PYROPHOSPHATE [HSDB] | Disodium dihydrogen pyrophosphate | Grahamsches salz | SODIUMACIDPYROPHOSPHATE | disodium;[hydroxy(oxido)phosphoryl]
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250g
S165315-250g
2
$11.90
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Why this grade

65-70% P2O5 basis 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.

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Literature proof

Cited in 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
sodium dihydrogendiphosphate | CAS-68915-31-1 | DISODIUM PYROPHOSPHATE | Dinatriumpyrophosphat [German] | DISODIUM PYROPHOSPHATE [HSDB] | Disodium dihydrogen pyrophosphate | Grahamsches salz | SODIUMACIDPYROPHOSPHATE | disodium;[hydroxy(oxido)phosphoryl]
Specifications & Purity
65-70% P2O5 basis
Storage
Room temperature
Shipped In
Normal
Names and Identifiers
Pubchem Sid504753204
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753204
Isomeric SMILES OP(=O)([O-])OP(=O)(O)[O-].[Na+].[Na+]
WGK Germany 1
RTECS TR4950250
PubChem CID 24451

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 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

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

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11 results found

Lot NumberCertificate TypeDateItem
F2610452Certificate of AnalysisJun 22, 2026 S165315
G2227326Certificate of AnalysisMay 19, 2026 S165315
G2227327Certificate of AnalysisMay 19, 2026 S165315
D2608589Certificate of AnalysisApr 21, 2026 S165315
B2217194Certificate of AnalysisDec 10, 2025 S165315
B2217195Certificate of AnalysisDec 10, 2025 S165315
G2511551Certificate of AnalysisJul 17, 2025 S165315
H2120423Certificate of AnalysisJun 09, 2025 S165315
I2423636Certificate of AnalysisSep 28, 2024 S165315
C2018014Certificate of AnalysisJan 22, 2024 S165315
G2227328Certificate of AnalysisFeb 21, 2022 S165315

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Chemical and Physical Properties
Molecular Weight221.940 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count7
Rotatable Bond Count2
Exact Mass221.907 Da
Monoisotopic Mass221.907 Da
Topological Polar Surface Area130.000 Ų
Heavy Atom Count11
Formal Charge0
Complexity143.000
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 Count3
Citations of This Product
References
1. Shuang-Mei He, Fang Wang, Lin Zhang, Jia-Yan Zhang, Fu-Rong Zeng, Bo-Wen Liu, Yan-Bing Luo, Yu-Zhong Wang, Hai-Bo Zhao.  (2023)  Quick and efficient flame-retardant, antibacterial and antifungal treatment for high-performance cellulose paper.  PROGRESS IN ORGANIC COATINGS,      [PMID:] [10.1016/j.porgcoat.2023.107947]
2. Mingrong Cheng, Xiaoyan Gao, Yong Wang, Houxiang Chen, Bing He, Yingchun Li, Jiang Han, Zhiping Zhang.  (2022)  Synthesis of liver-targeting dual-ligand modified GCGA/5-FU nanoparticles and their characteristics in vitro and in vivo.  International Journal of Nanomedicine,      [PMID:24232303] [10.2147/IJN.S52877]
3. Fan Wang, Xuehong Wang, En Xie, Fan Wang, Qi Gan, Sun Ping, Jie Wei, Fengqian Li, Zimin Wang.  (2022)  Simultaneous incorporation of gallium oxide and tantalum microparticles into micro-arc oxidation coating of titanium possessing antibacterial effect and stimulating cellular response.  Biomaterials Advances,      [PMID:35929211] [10.1016/j.bioadv.2022.212736]
4. Fang He, Meng Wang, Lan Luo, Zhenxing Wang, Shaoqin Peng, Yuexiang Li.  (2021)  Directional modulation of triazine and heptazine based carbon nitride for efficient photocatalytic H2 evolution.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2021.150103]
5. Li Ke, Chen Tingting, Mao Huibing, Chen Ye, Wang Jiqing.  (2021)  Preparation and Upconversion Emission Investigation of the YVO4:Yb3+:Er3+ Nanomaterials and Their Coupling with the Au Nanoparticles.  JOURNAL OF ELECTRONIC MATERIALS,  50  (3): (1189-1195).  [PMID:] [10.1007/s11664-020-08636-3]
6. Tingting Chen, Ke Li, Huibing Mao, Ye Chen, Jiqing Wang.  (2020)  Preparation and Upconversion Emission Investigation of the YVO4: Yb3+/Tb3+/Eu3+ Nanomaterials and Their Coupling with the Au Nanoparticles.  CRYSTAL RESEARCH AND TECHNOLOGY,  55  (8): (2000001).  [PMID:] [10.1002/crat.202000001]
7. Yongdi Xie, Fan Li, Jianjia Wang, Ruiying Wang, Haijun Wang, Xiang Liu, Yongmei Xia.  (2017)  Catalytic transfer hydrogenation of ethyl levulinate to γ-valerolactone over a novel porous Zirconium trimetaphosphate.  Molecular Catalysis,      [PMID:] [10.1016/j.mcat.2017.09.011]
8. Yacong Deng, Yanlin Xu, Zhuoyi Liu, Wenhong Wang, Bin Liu, Hailing Guo, Yanpeng Li, Bin Dong, Yichuan Li, Yuan Pan, Yongming Chai, Chenguang Liu.  (2024)  Hydrodeoxygenation of guaiacol over modified coconut carbon supported Ni nanoparticles catalysts under alkaline condition.  BIOMASS & BIOENERGY,      [PMID:] [10.1016/j.biombioe.2024.107404]
9. Jing Ru, Xiaochen Xu, Yuxuan Cheng, Nan Luo, Shuo Tan, Xi Chen, Feng Chen, Bing-Qiang Lu.  (2025)  Influence of Polyphosphate on the Mineralization Balance of Tooth Enamel.  ACS Omega,      [PMID:40124016] [10.1021/acsomega.4c09093]
10. Chenlu Xu, Yujuan Gao, Xiaoyu Zhang, Fan Jia, Zian Pan, Mingjun Li, Weifeng Wang, Xianlei Li, Yan Wu.  (2025)  Polydopamine-Integrated Nanomedicine through Dual Metabolic Intervention with Enhanced Photothermal Therapy against Triple-Negative Breast Cancer.  Advanced Therapeutics,      [PMID:] [10.1002/adtp.202400570]
11. Liufu Zhang, Jianwei Di, Haoyang Wang, Zhiwei Zhou, Yuxi Wang, Jun Long, Yanqiu Zhang, Jing Guo, Xu Jiang, Lu Shao.  (2025)  Tear-film-inspired interfacial polymerization engineering nanofiltration membrane architecture for highly efficient antibiotic desalination.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.164990]
12. Yuanyuan Zhang, Menglong Chen, Yating Wang, Zhenwei Xiong, Keqiang Xu, Xinyu Liu, Hui Lin, Quanjun Liu, Hongge Chen.  (2026)  High-efficiency enzymatic conversion of cellulose to starch by strengthening glucose-utilization bypass.  BIORESOURCE TECHNOLOGY,      [PMID:41740939] [10.1016/j.biortech.2026.134274]
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