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· · COA & SDS available for every product · Same-day shipping on in-stock items Trimethylolpropane Phosphite - ≥94%(T) , CAS No.824-11-3
Synonyms
ETPB | 1,1,1-Trimethylolpropane Phosphite | 4-Ethyl-2,7-trioxa-1-phosphabicyclo[2.2.2]octane | HSDB 6409 | QRUSNTDXJQBKBI-UHFFFAOYSA-N | 2,6,7-Trioxa-1-phosphabicyclo(2.2.2)octane, 4-ethyl- | 2,7-Trioxa-1-phosphabicyclo[2.2.2]octane, 4-ethyl- | EINECS 212
Storage
Argon charged,Room temperature
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Why this grade ≥94%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Argon charged,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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
ETPB | 1, 1, 1-Trimethylolpropane Phosphite | 4-Ethyl-2, 7-trioxa-1-phosphabicyclo[2.2.2]octane | HSDB 6409 | QRUSNTDXJQBKBI-UHFFFAOYSA-N | 2, 6, 7-Trioxa-1-phosphabicyclo(2.2.2)octane, 4-ethyl- | 2, 7-Trioxa-1-phosphabicyclo[2.2.2]octane, 4-ethyl- | EINECS 212
Specifications & Purity
≥94%(T)
Storage
Argon charged, Room temperature
Names and Identifiers Pubchem Sid 504752435 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/504752435 Canonical Smiles CCC12COP(OC1)OC2 IUPAC Name 4-ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane InChIKey QRUSNTDXJQBKBI-UHFFFAOYSA-N INCHI 1S/C6H11O3P/c1-2-6-3-7-10(8-4-6)9-5-6/h2-5H2,1H3 Isomeric SMILES CCC12COP(OC1)OC2 RTECS TY6650000 PubChem CID 13210 UN Number 3464 Packing Group I Molecular Weight 162.12 Reaxy-Rn 906923
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 Kingdom Organic compounds Superclass Organophosphorus compounds Class Trialkylphosphites Subclass Not available Intermediate Tree Nodes Not available Direct Parent Trialkylphosphites Alternative Parents Organic phosphites Oxacyclic compounds Organooxygen compounds Hydrocarbon derivatives Molecular Framework Aliphatic heteropolycyclic compounds Substituents Trialkylphosphite - Organic phosphite - Oxacycle - Organoheterocyclic compound - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aliphatic heteropolycyclic compound Description This compound belongs to the class of organic compounds known as trialkylphosphites. These are organic compounds containing a phosphorous acid, which is tri-esterified with alkyl groups. External Descriptors Not available Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solubility Insoluble in water; Soluble in Methanol Sensitivity Air and moisture sensitive Boil Point(°C) 100°C/8mmHg(lit.) Melt Point(°C) 56°C(lit.) Molecular Weight 162.120 g/mol XLogP3 0.600 Hydrogen Bond Donor Count 0 Hydrogen Bond Acceptor Count 3 Rotatable Bond Count 1 Exact Mass 162.045 Da Monoisotopic Mass 162.045 Da Topological Polar Surface Area 27.700 Ų Heavy Atom Count 10 Formal Charge 0 Complexity 117.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
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