Tributyl phosphite - ≥93% , CAS No.102-85-2

CAS: 102-85-2 Cat. No.: T107429 Molecular Weight: 250.31 Beilstein Registry Number: 1703866 EC Number: 203-061-3 PubChem CID: 7623

GRADE & PURITY ≥93%

Synonyms

1-Butanol, 1,1',1''-phosphinidynetri- | AI3-15022 | Syn-O-Ad P-312 | Tributylfosfit | ?TRIBUTYL PHOSPHITE | NCGC00357137-01 | Tributylfosfit [Czech] | Tri-n-butyl phosphite | FT-0688220 | Tributoxyphosphine | Butyl phosphite ((C4H9O)3P) | DTXCID2030065 |

Storage

Room temperature,Argon charged,Desiccated,Cool

Shipped In

Normal

Overview

Tributyl phosphite is an alkylphosphite and is reported to inhibit carboxylesterase activity.
Tributyl phosphite may be employed as model lubricant additive and its surface chemistry on Fe3O4 in ultrahigh vacuum is investigated.

Specifications

Synonyms

1-Butanol, 1, 1', 1''-phosphinidynetri- | AI3-15022 | Syn-O-Ad P-312 | Tributylfosfit | ?TRIBUTYL PHOSPHITE | NCGC00357137-01 | Tributylfosfit [Czech] | Tri-n-butyl phosphite | FT-0688220 | Tributoxyphosphine | Butyl phosphite ((C4H9O)3P) | DTXCID2030065 |

Specifications & Purity

≥93%

Storage

Room temperature, Argon charged, Desiccated, Cool

Shipped In

Normal

Purity

≥93%

Names and Identifiers

• Canonical Smiles: CCCCOP(OCCCC)OCCCC
• IUPAC Name: tributyl phosphite
• InChIKey: XTTGYFREQJCEML-UHFFFAOYSA-N
• INCHI: 1S/C12H27O3P/c1-4-7-10-13-16(14-11-8-5-2)15-12-9-6-3/h4-12H2,1-3H3
• Isomeric SMILES: CCCCOP(OCCCC)OCCCC
• WGK Germany: 3
• RTECS: TH0875000
• PubChem CID: 7623
• UN Number: 3265
• Molecular Weight: 250.31
• Beilstein: 1703866
• Reaxy-Rn: 1703866

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organophosphorus compounds
    • Class Trialkylphosphites

• Kingdom: Organic compounds
• Superclass: Organophosphorus compounds
• Class: Trialkylphosphites
• Subclass: Not available
• Intermediate Tree Nodes: Not available
• Direct Parent: Trialkylphosphites
• Alternative Parents: Organic phosphites Organooxygen compounds Hydrocarbon derivatives
• Molecular Framework: Aliphatic acyclic compounds
• Substituents: Trialkylphosphite - Organic phosphite - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aliphatic acyclic 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.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Slightly soluble in water (decomposition), soluble in conventional organic solvents.
• Sensitivity: Moisture Sensitive. Air Sensitive
• Refractive Index: 1.431
• Flash Point(°F): 208.4 °F
• Flash Point(°C): 129 °C
• Boil Point(°C): 118-125°C
• Melt Point(°C): -80 °C
• Molecular Weight: 250.310 g/mol
• XLogP3: 3.800
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 12
• Exact Mass: 250.17 Da
• Monoisotopic Mass: 250.17 Da
• Topological Polar Surface Area: 27.700 Ų
• Heavy Atom Count: 16
• Formal Charge: 0
• Complexity: 110.000
• 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

References

1. Hailong Wei, Fangwei Gu, Yongsheng Wang, Jinyuan Hao, Wei Zhu, Zhongbin Zhuang.  (2023)  Synthesis of Pure-Phase Ni2P Nanocatalysts via Phosphorus Ligand Selection for Efficient Hydrogen Evolution Reaction.  ChemElectroChem,      [PMID:] [10.1002/celc.202300426]

2. Chao Cheng, Chenyu Zhang, Zhengguo Chen, Fei Zhou, Jinli Zhou, Zeyu Sun, Muhuo Yu.  (2023)  Polydicyclopentadiene toughened epoxy resin and its carbon fiber composites via sequential polymerization.  POLYMER COMPOSITES,  44  (10): (6929-6943).  [PMID:] [10.1002/pc.27608]

3. Chao Cheng, Chenyu Zhang, Zhengguo Chen, Fei Zhou, Zeyu Sun, Muhuo Yu.  (2022)  Newly designed polydicyclopentadiene and its continuous carbon fiber composites: Preparation and mechanical properties assessment.  POLYMER,      [PMID:] [10.1016/j.polymer.2022.125481]

4. Siqi Huang, Zhuangpeng Chen, Wenduo Chen, Dazhi Jiang.  (2025)  Improved Toughness, Flexural Strength, and Dielectric Performances of Epoxy-Dicyclopentadiene Interpenetrating Polymer Networks via Simultaneous Frontal Polymerization.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.5c01563]

5. Siqi Huang, Zhuangpeng Chen, Zhijie Feng, Hongchao Zhao, Langlang Ye, Lingkai Weng, Zhixiang Xie, Shenghua Liu, Dazhi Jiang, Wenduo Chen.  (2025)  Frontal Polymerization-Enabled 3D Printing of Recyclable High-Performance Carbon Fiber Reinforced Polymers.  ADVANCED MATERIALS,      [PMID:41194321] [10.1002/adma.202515033]

6. Xiyang Su, Weixi Gao, Sepideh Sadat Hosseini Noorabadi, Yihao Li, Patrick Ryan Galligan, Yapeng Chen, Xingyi Zhang, Jinglei Yang.  (2025)  Thermal induced anisotropic deformation of DCPD gels during frontal polymerization.  COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,      [PMID:] [10.1016/j.compositesa.2025.109524]