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TRIS(2-ETHYLHEXYL)PHOSPHATE

 


CAS NO:78-42-2
EC NO:201-116-6


Tris(2-ethylhexyl) Phosphate is a clear colorless to pale yellow liquid with a slight sharp odor.


Industry Uses in Tris(2-ethylhexyl) Phosphate
Intermediates
Lubricants and lubricant additives
Oxidizing/reducing agents
Processing aids, not otherwise listed
agricultural pesticides


Consumer Uses in Tris(2-ethylhexyl) Phosphate        
Non-TSCA use
Plastic and rubber products not covered elsewhere
urethane intermediate


Industry Processing Sectors
All other basic inorganic chemical manufacturing
All other basic organic chemical manufacturing
Fabricated metal product manufacturing
Pesticide, fertilizer, and other agricultural chemical manufacturing
Petroleum lubricating oil and grease manufacturing
Plastics product manufacturing
Rubber product manufacturing
Synthetic rubber manufacturing
Transportation equipment manufacturing
Wholesale and retail trade


Tris(2-ethylhexyl) Phosphate is incompatible with oxidizing materials.
Tris(2-ethylhexyl) Phosphate may soften or deteriorate certain plastics and elastomers.
Tris(2-ethylhexyl) Phosphate is incompatible with cellulose acetate and cellulose acetate butyrate.
Tris(2-ethylhexyl) phosphate exhibits glucocorticoid receptor (GR) antagonistic activity.
Tris(2-ethylhexyl) phosphate for synthesis. CAS 78-42-2, EC Number 201-116-6, chemical formula CH₃(CH₂)₃CH(C₂H₅)CH₂O₃PO.


Formula: C24H51O4P
Molecular mass: 434.7
Boiling point at 0.7kPa: 220°C
Melting point: -74°C
Relative density (water = 1): 0.93
Solubility in water at 20°C: none
Vapour pressure, Pa at 20°C: <1
Relative vapour density (air = 1): 15
Flash point: 170°C
Auto-ignition temperature: 370°C 


Consumer Uses
Tris(2-ethylhexyl) Phosphate is used in the following products: polymers, coating products, plant protection products and photo-chemicals.
 Other release to the environment of Tris(2-ethylhexyl) Phosphate is likely to occur from: outdoor use as processing aid, indoor use in long-life materials with low release rate (e.g. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment), outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials) and outdoor use in long-life materials with high release rate (e.g. tyres, treated wooden products, treated textile and fabric, brake pads in trucks or cars, sanding of buildings (bridges, facades) or vehicles (ships)).


Article service life
Other release to the environment of Tris(2-ethylhexyl) Phosphate is likely to occur from: indoor use in long-life materials with low release rate (e.g. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment), outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials) and outdoor use in long-life materials with high release rate (e.g. tyres, treated wooden products, treated textile and fabric, brake pads in trucks or cars, sanding of buildings (bridges, facades) or vehicles (ships)).
Tris(2-ethylhexyl) Phosphate can be found in complex articles, with no release intended: vehicles and machinery, mechanical appliances and electrical/electronic products (e.g. computers, cameras, lamps, refrigerators, washing machines).
Tris(2-ethylhexyl) Phosphate can be found in products with material based on: rubber (e.g. tyres, shoes, toys), plastic (e.g. food packaging and storage, toys, mobile phones), fabrics, textiles and apparel (e.g. clothing, mattress, curtains or carpets, textile toys) and paper (e.g. tissues, feminine hygiene products, nappies, books, magazines, wallpaper).


Widespread uses by professional workers
Tris(2-ethylhexyl) Phosphate is used in the following products: coating products, adhesives and sealants, polymers and plant protection products.
Tris(2-ethylhexyl) Phosphate is used in the following areas: agriculture, forestry and fishing.
Other release to the environment of Tris(2-ethylhexyl) Phosphate is likely to occur from: outdoor use, indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners), indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters) and outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids).


Formulation or re-packing
Tris(2-ethylhexyl) Phosphate is used in the following products: polymers, coating products and fillers, putties, plasters, modelling clay.
Release to the environment of Tris(2-ethylhexyl) Phosphate can occur from industrial use: formulation of mixtures and formulation in materials.


Uses at industrial sites
Tris(2-ethylhexyl) Phosphate is used in the following products: polymers, coating products, pH regulators and water treatment products, photo-chemicals, metal working fluids and fillers, putties, plasters, modelling clay.
Tris(2-ethylhexyl) Phosphate is used for the manufacture of: chemicals, plastic products and rubber products.
Release to the environment of Tris(2-ethylhexyl) Phosphate can occur from industrial use: in processing aids at industrial sites, in the production of articles and as processing aid.


Tris(2-ethylhexyl) Phosphate (TEHP) has been widely used as a plasticizer, fire retardant and solvent.
 As a plasticizer, Tris(2-ethylhexyl) Phosphate is used as a component of vinyl stabilizers, grease additives and flame-proofing compositions for vinyl plastic and synthetic rubber compounds. 
As a fire retardant,Tris(2-ethylhexyl) Phosphate is used in consumer products,such as clothing. 
As a solvent,Tris(2-ethylhexyl) Phosphate is used as a co-solvent to produce hydrogen peroxide. 
The world production of Tris (2-ethylhexyl) phosphate was estimated to be between 1000 to 5000 tons per year (IPCS, 2000). Occupational exposure may occur through inhalation and dermal contact with Tris(2-ethylhexyl) Phosphate at workplaces (HSDB, 2010). 
The general population may be exposed to Tris(2-ethylhexyl) Phosphate via ingestion of contaminated food and drinking water (HSDB, 2010) or via dermal contact with Tris(2-ethylhexyl) Phosphate -treated clothing.


Boiling Point        215 °C/4 mmHg (Lit.)
CAS #        78-42-2
Density        0.926 at 20 °C (water = 1) (Lit.)
EC Number        201-116-6
Flash Point        404.6 °F/207 °C(Lit.)
Hazard Statements        H315-H319
Melting Point        -74 °C(Lit.)
Molecular Formula        C24H51O4P
Molecular Weight        434.63


Tris(2-ethylhexyl) phosphate, a clear, viscous liquid, is used as a component of vinyl stabilizers, grease additives, and flame-proofing compositions; 
however, Tris(2-ethylhexyl) Phosphate is used primarily as a plasticizer for vinyl plastic and synthetic rubber compounds.


Tris(2-ethylhexyl) phosphate has been employed as a specialty flameretardant plasticizer for vinyl compositions where low temperature flexibility is critical, eg, in military tarpaulins. 
Tris(2-ethylhexyl) Phosphate can be included in blends with general purpose plasticizers such as phthalate esters to improve low temperature flexibility.


Uses
Solvent, antifoaming agent, plasticizer.


General Description
Clear colorless to pale yellow liquid with a slight sharp odor. Insoluble in water; Soluble in alcohol, acetone, and ether. Combustible.


Reactivity Profile
Tris(2-ethylhexyl) phosphate is incompatible with oxidizing materials. 
Tris(2-ethylhexyl) phosphate may soften or deteriorate certain plastics and elastomers. 
Tris(2-ethylhexyl) phosphate is incompatible with cellulose acetate and cellulose acetate butyrate.


Boiling Point        215°C
Color        Colorless
Quantity        25mL
Formula Weight        434.64
Physical Form        Clear Liquid at 20°C
Percent Purity        ≥98.0% (GC)
Chemical Name or Material        Tris(2-ethylhexyl) Phosphate


Tris(2-ethylhexyl) Phosphate is a viscous, clear to pale yellow liquid at ambient temperatures. 
Tris(2-ethylhexyl) Phosphate has a slight, pungent odor.
 
Uses: 
Tris(2-ethylhexyl) Phosphate  is primarily used as an additive in vinyls and synthetic rubbers to impart or enhance light stability, weather resistance and flame retardant properties. 
Tris(2-ethylhexyl) Phosphate is also used as a solvent in the production of hydrogen peroxide, as a carrier in the manufacture of pigments for plastics and as  an additive for mineral oils.
Tris(2-ethylhexyl) Phosphate is used as a phosphorous flame retardant. Used as a plasticizer in the preparation of a new potentiometric membrane sensor.


Tris(2-ethylhexyl) Phosphate is a halogen free phosphate plasticizer with a very good resistance to low temperatures and weathering. 
Tris(2-ethylhexyl) Phosphate is suitable for use with many types of polymers including flexible PVC, PUR, NBR, SBR. 
Tris(2-ethylhexyl) Phosphate is a strong, moderately polar solvent.
It is particularly beneficial to use Tris(2-ethylhexyl) Phosphate when resistance to extremely low temperatures is required along with good light stability and weathering resistance. 
Furthermore Tris(2-ethylhexyl) Phosphate is used as a solvent in the production of hydrogen peroxide, as a carrier for pigments in the manufacture of pigment pastes for plastics and as an additive for mineral oils.


Tris(2-ethylhexyl) Phosphate finds application as a fire-retardant, plasticizer for polyvinyl chloride and cellulose nitrate. 
Tris(2-ethylhexyl) Phosphate is used as a stimulant for the chemical warfare nerve agent VX. 
Further, Tris(2-ethylhexyl) Phosphate used as an alkylation agent for nitrogen heterocyclic compounds and as a catalyst to produce phenolic and urea resins.
 In addition to this, Tris(2-ethylhexyl) Phosphate is used as an antifoaming agent and a co-solvent in hydrogen peroxide production.


●Colourless,transparent oily liquid,b.p.216℃(4mmHg),viscosity 14 c.p.(20℃),refractive index 1.4434(20℃).
●Tris(2-ethylhexyl) Phosphate is now chiefly used as a processing solvent,instead of hydroterpineol,for producing hydrogen peroxide by anthraquinone process.
Tris(2-ethylhexyl) Phosphate is an ideal solvent in this process,for its low volatility and good extraction distribution coefficient.
●Tris(2-ethylhexyl) Phosphate is also a cold-resisting and fire-retarding plasticizer applied in ethylenic and cellulosic resins,synthetic rubbers. The cold resisting property is superior to adipate esters.


1. Tris(2-ethylhexyl) Phosphate is colorlessliquid
2. In anthraquinone method in the production of hydrogen peroxide instead of hydrogenated terpene alcohols, make the product concentration is high, the quality is good, its consumption, also can be used for cold resistant plasticizer of PVC


Tris(2-ethylhexyl) Phosphate is now chiefly used as a processing solvent, instead of hydroterpineol, for producing hydrogen peroxide by anthraquinone process. 
Tris(2-ethylhexyl) Phosphate is an ideal solvent in this process, for its low volatility and good extraction distribution coefficient.
Tris(2-ethylhexyl) Phosphate is also a cold-resisting and fire-retarding plasticizer applied in ethylenic and cellulosic resins, synthetic rubbers. The cold resisting property is superior to adipate esters.

Tris(2-ethylhexyl) phosphate, a clear, viscous liquid, is used as a component of vinyl stabilizers, grease additives, and flame-proofing compositions; however, it is used primarily as a plasticizer for vinyl plastic and synthetic rubber compounds.

Tris(2-ethylhexyl) phosphate has been employed as a specialty flameretardant plasticizer for vinyl compositions where low temperature flexibility is critical, eg, in military tarpaulins.

USE
Due to its properties (among other things, it is slightly biocidal ), tris (2-ethylhexyl) phosphate has a wide range of uses:

-as a plasticizer with excellent low temperature flexibility and flame retardant in polymers ( PVC , PUR , NBR and others)
-as a carrier material for pigments and dyes for coloring polymers
-as a component of cutting oils
-as a component of release agent preparations used in the metal industry
-as a solvent for hydrogen peroxide synthesis

 

Other names: Disflamoll TOF; Flexol TOF; Phosphoric acid, tris(ethylhexyl) ester; Tri(2-ethylhexyl) phosphate; Tris(ethylhexyl) phosphate; Tris(2-ethylhexyl) phosphate; TOF; 1-Hexanol, 2-ethyl-, phosphate; Flexol plasticizer TOF; NCI-C54751; Tri(ethylhexyl) phosphate; 2-Ethyl-1-hexanol phosphate; 2-Ethylhexanol, phosphate triester; Kronitex TOF; Tris-(2-ethylhexyl)fosfat; Amgard TOF; Trioctyl phosphate; 2-Ethylhexanol phosphate (3:1); NSC 407921

Trade names
Disflamoll TOF
PHOSPHORIC ACID, TRIS(2-ETHYLHEXYL) ESTER
TRI(2-ETHYLHEXYL) PHOSPHATE
TRIOCTYLPHOSPHAT
TRIS(2-ETHYLHEXYL) PHOSPHATE
Tris-(2-ethylhexyl)-phosphate


IUPAC names
Disflamoll TOF
Phosphoric acid, tris(2-ethylhexyl) ester
phosphoric acid, tris(2-ethylhexyl) ester
Tris(2-ethylexyl)phosphate
TRIS(2-ETHYLHEXYL) PHOSPHATE
Tris(2-ethylhexyl) Phosphate
Tris(2-ethylhexyl) phosphate
tris(2-ethylhexyl) phosphate
Tris(2-ethylhexyl)phosphate


SYNONYMS:
Tris(2-ethylhexyl) phosphate [ACD/IUPAC Name]
2-Ethylhexyl phosphate [ACD/IUPAC Name]
Phosphate de tris(2-éthylhexyle) [French] [ACD/IUPAC Name]
Phosphoric acid, tris(2-ethylhexyl) ester [ACD/Index Name]
Phosphoric acid, tris(2-ethylhexyl)ester
Tri(2-ethylhexyl) phosphate
Tri(2-ethylhexyl)phosphate
Tris(2-ethylhexyl)phosphat [German] [ACD/IUPAC Name]
UNII:BQC0BKB72S
1-Hexanol, 2-ethyl-, phosphate
201-116-6 [EINECS]
2-ETHYL-1-HEXANOL PHOSPHATE
2-Ethylhexanol phosphate (3:1)
2-Ethylhexanol, phosphate triester
4Y2&1OPO&O1Y4&2&O1Y4&2 [WLN]
78-42-2 [RN]
Amgard TOF
disflamoll tof
Flexol plasticizer TOF
flexol tof
kronitex tof
DISFLAMOLL TOF
2-ETHYL-1-HEXANOL PHOSPHATE
FLEXOL TOF
1-HEXANOL, 2-ETHYL, PHOSPHATE
KRONITEX TOF
NCI-C54751
PHOSPHORIC ACID, TRIS(2-ETHYLHEXYL) ESTER
TEHP
TOF
TOP
TRI(2-ETHYLHEXYL) PHOSPHATE
TRI(2-ETHYLHEXYL)PHOSPHATE
TRIETHYLHEXYL PHOSPHATE
TRIOCTYL PHOSPHATE
TRIS(2-ETHYLHEXYL) PHOSPHATE
TRIS(2-ETHYLHEXYL)PHOSPHATE


 

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