Description

Triisotridecyl Phosphite (CAS No. 77745-66-5) is a high-purity organophosphorus compound with the molecular formula C₃₉H₈₁O₃P. This specialty chemical is widely utilized as an antioxidant, stabilizer, and metal chelator in industrial applications. Its unique branched isotridecyl groups enhance solubility in organic matrices, making it ideal for polymer stabilization, lubricant formulations, and corrosion inhibition. With excellent hydrolytic stability and thermal resistance, Triisotridecyl Phosphite ensures long-term performance in demanding environments. Available in liquid form, it is compatible with various solvents and base oils, offering versatility for research and manufacturing processes. Strict quality control guarantees consistency for scientific and industrial use.

Properties

• CAS Number: 77745-66-5
• Complexity: 439
• IUPAC Name: tris(11-methyldodecyl) phosphite
• InChI: InChI=1S/C39H81O3P/c1-37(2)31-25-19-13-7-10-16-22-28-34-40-43(41-35-29-23-17-11-8-14-20-26-32-38(3)4)42-36-30-24-18-12-9-15-21-27-33-39(5)6/h37-39H,7-36H2,1-6H3
• InChI Key: IVINYWARLXOTLP-UHFFFAOYSA-N
• Exact Mass: 628.59233344
• Molecular Formula: C39H81O3P
• Molecular Weight: 629.0
• SMILES: CC(C)CCCCCCCCCCOP(OCCCCCCCCCCC(C)C)OCCCCCCCCCCC(C)C
• Topological: 27.7
• Monoisotopic Mass: 628.59233344
• Synonyms: Triisotridecyl phosphite, 77745-66-5, EINECS 278-758-9, EC 278-758-9, DTXSID20228365, 278-758-9, DTXCID40150856, TRIS(11-METHYLDODECYL) PHOSPHITE, Phosphorous acid, triisotridecyl ester, tris(isotridecyl)phosphite, XKL37X6CC3, SCHEMBL97786, IVINYWARLXOTLP-UHFFFAOYSA-N, NS00003326, 1-Dodecanol, 11-methyl-, 1,1′,1”-phosphite

Triisotridecyl Phosphite is primarily employed as a secondary antioxidant in polyolefins, PVC, and other polymers to prevent thermal degradation during processing. It acts as a metal deactivator in lubricants and hydraulic fluids, extending service life by inhibiting oxidation. The compound is also used in synthetic ester formulations to enhance hydrolytic stability under high-temperature conditions. Researchers leverage its chelating properties in catalyst systems and specialty chemical synthesis.

Safety and Hazards

GHS Hazard Statements

• H317 (98.4%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H335 (22.4%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H413 (60%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P261, P271, P272, P273, P280, P302+P352, P304+P340, P319, P321, P333+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Sens. 1 (98.4%)
• STOT SE 3 (22.4%)
• Aquatic Chronic 4 (60%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.