Trioctyl phosphate, Thermo Scientific Chemicals

Description

Trioctyl phosphate finds application as a fire-retardant, plasticizer for polyvinyl chloride and cellulose nitrate. It is used as a stimulant for the chemical warfare nerve agent VX. Further, it used as an alkylation agent for nitrogen heterocyclic compounds and as a catalyst to produce phenolic and urea resins. In addition to this, it is used as an antifoaming agent and a co-solvent in hydrogen peroxide production.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 78-42-2
• Molecular Formula: C24H51O4P
• Molecular Weight (g/mol): 434.64
• MDL Number: MFCD00009491
• InChI Key: GTVWRXDRKAHEAD-UHFFFAOYNA-N
• Synonym: tris 2-ethylhexyl phosphate, disflamoll tof, flexol tof, phosphoric acid, tris 2-ethylhexyl ester, kronitex tof, flexol plasticizer tof, 2-ethyl-1-hexanol phosphate, tris ethylhexyl phosphate, tri 2-ethylhexyl phosphate
• PubChem CID: 6537
• IUPAC Name: tris(2-ethylhexyl) phosphate
• SMILES: CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC

• Density: 0.93 g/mL
• Boiling Point: 216°C (4 mmHg)
• Flash Point: >110°C (230°F)
• Refractive Index: 1.441
• Quantity: 1 kg
• Solubility Information: Miscible with mineral oil and gasoline. Immiscible with water.
• Formula Weight: 434.64
• Physical Form: Liquid
• Chemical Name or Material: Trioctyl phosphate

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement H332-H315-H319 Harmful if inhaled. Causes skin irritation. Causes serious eye irritation.
Precautionary Statement	GHS P Statement P261-P280-P305+P351+P338-P304+P340-P362-P312 Avoid breathing dust/fume/gas/mist/vapors/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell.
EINECSNumber	201-116-6
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only