Trioctyl phosphate

Table of Contents

Trioctyl phosphate

 Trioctyl phosphate = Tris(2-ethylhexyl) phosphate = Phosphoric acid, tris(2-ethylhexyl) ester = Tris (isooctyl) phosphate = Tri(2-ethylhexyl) phosphate = TRIOCTYLPHOSPHAT

Trioctyl phosphate by ATAMAN CHEMICALS is primarily used as an additive in vinyls and synthetic rubbers to impart or enhancelight stability, weather resistance and flame retardant properties. 

Trioctyl 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.

CAS no.: 78-42-2

CAS NO: 1806-54-8

EC / List no.: 201-116-6

Mol. formula: C24H51O4P

Chemical formula: C24H51O4P

Relative molecular mass: 434.64

CAS registry number: 78-42-2

EINECS number: 201-116-6

CAS name: phosphoric acid, tris(2-ethylhexyl) ester

Synonyms:a 1-hexanol 2-ethyl-phosphate; 2-ethyl-1-hexanol phosphate; triethylhexyl phosphate; tri(2-ethylhexyl) phosphate; tris(isooctyl) phosphate

*The synonym trioctyl phosphate has also been used. However, this chemical has a different chemical abstracts (CAS) registry number (1806-54-8).

Trade names: Disflamoll TOF; Flexol TOF; Reomol TOP; Amgard TOF; Antiblaze TOF

Other names: 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

Chemical Properties

Trioctyl 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.

Trioctyl phosphate 

Plastic Additives / Flame Retardants

Description

Trioctyl phosphate is a phosphate ester plasticizer which imparts outstanding low-temperature flexibility and good resistance to weathering. 

Trioctyl phosphate is a strong, moderately polar solvent.

Chemical composition: Tris (2-ethylhexyl) phosphate (TOP)

CAS Registry Number: 78-42-2

Typical properties

Appearance: clear, almost colourless liquid

Phosphorus content: 7.1 % (calculated)

TOP content: ≥ 98.5 %

D2EHPA content: ≤ 0.05 %

Acid value: ≤ 0.05 mg KOH/g

Water content: ≤ 0.2 %

Hazen colour value: ≤ 40

Refractive index nD 20°C: 1.443 – 1.445

Density at 20°C: 0.920 – 0.926 g/cm3

Viscosity at 20°C: 13 – 15 mPas

Applications

Trioctyl phosphate is a phosphate plasticizer offering excellent low temperatures properties as well as good resistance to weathering. 

Trioctyl phosphate is suitable for use in many types of polymers including flexible PVC, PUR, NBR, SBR and EPDM. 

Trioctyl phosphate is a strong, moderately polar solvent.

Trioctyl phosphate is also used as a solvent in the production of hydrog

Trioctyl phosphate(TEHP) is a non-flammable,colourless liquid with low water solubility and very low vapour pressure, which is used as a flame retardant and plasticizer for PVC and cellulose acetate and as a solvent. 

Trioctyl phosphate is produced from phosphorus oxychloride and 2-ethylhexanol. 

Trioctyl phosphate is an organic chemical compound from the group of phosphoric acid esters (triakyl phosphates).

Trioctyl phosphate is a clear colorless to pale yellow liquid with a slight sharp odor

Tris (2-ethylhexyl) phosphate is a colorless, slightly pungent smelling, viscous liquid. It has a viscosity of 15 mPas at 20 ° C

Tris (2-Ethylhexyl) Phosphate= trioctyl phosphate

Tris(2-ethylhexyl) phosphate Product Applications:

Polymer auxiliaries

Manufacturing of herbicides

Agriculture

Pesticides

Manufacturing of photochemicals

Photography

Synthetic lubricants

Plastic- and Rubberpolymers

Automotive industry

Technical rubber goods

Tire

Polymer compound

Tarpaulins

Flame retardants for polymeres

Mineral oil and lubricant

Petroleum industry

Trioctyl phosphate has been widely used as a plasticizer, fire retardant and solvent. 

As a plasticizer, Trioctyl 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, Trioctyl phosphate is used in consumer products, such as clothing. 

As a solvent, Trioctyl phosphate is used as a co-solvent to produce hydrogen peroxide. 

Uses of Tris(2-ethylhexyl) phosphate : 

Intermediates

Lubricants and lubricant additives

Oxidizing/reducing agents

Processing aids, not otherwise listed

Agricultural pesticides

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

Trioctyl phosphate is a plasticizer with excellent low temperature flexibility and flame retardant in polymers (PVC, PUR, bNBR and others)

Trioctyl phosphate is a carrier material for pigments and dyes for coloring polymers

Trioctyl phosphate is a component of cutting oils 

Trioctyl phosphate is a component of release agent preparations used in the metal industry

Trioctyl phosphate is a a solvent for hydrogen peroxide synthesis

TEHP is used in PVC plastisols, as a flame retardant in cellulose acetate and as a solvent for certain chemical reactions. 

Tris(2-ethylhexyl) phosphate is also used as a flame retardant plasticizer, particularly for PVC, in low temperature application

Tris(2-ethylhexyl) phosphate (TEHP) is a plasticizer and flame retardant mostly used in polyvinyl chloride and other polymers, while di(2-ethylhexyl) phosphoric acid (DEHPA) has found applications as an additive in industrial and automotive gear oils and in metal extraction processes (

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 has been employed as a specialty flameretardant plasticizer for vinyl compositions where low temperature flexibility is critical, eg, in military tarpaulins. 

TEHP can be included in blends with general purpose plasticizers such as phthalate esters to improve low temperature flexibility.

SYNONYMS: Trioctyl phosphate; Triethylhexyl phosphate; Phosphoric acid, tris(2-ethylhexyl) ester; TOF; 2-Ethylhexanol, phosphate Triester; 2-Ethyl-1-hexanol phosphate; Trioctyl phosphate; Tris(2-ethylhexyl)phosphat (German); Fosfato de tris(2-etilhexilo) (Spanish); Phosphate de tris(2-éthylhexyle) (French);

Uses

Solvent, antifoaming agent, plasticizer

Disflamoll TOF

Phosphoric acid, tris(2-ethylhexyl) ester

Tris(2-ethylexyl)phosphate

TRIS(2-ETHYLHEXYL) PHOSPHATE

Trade names

Disflamoll TOF

PHOSPHORIC ACID, TRIS(2-ETHYLHEXYL) ESTER

TRI(2-ETHYLHEXYL) PHOSPHATE

TRIOCTYLPHOSPHAT

TRIS(2-ETHYLHEXYL) PHOSPHATE

Tris-(2-ethylhexyl)-phosphate

Tris(2-ethylhexyl) phosphate 

2-Ethylhexyl phosphate 

Phosphate de tris(2-éthylhexyle) [French] 

Phosphoric acid, tris(2-ethylhexyl) ester 

Phosphoric acid, tris(2-ethylhexyl)ester

Tri(2-ethylhexyl) phosphate

Tri(2-ethylhexyl)phosphate

Tris(2-ethylhexyl)phosphat [German] 

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

MFCD00009491 [MDL number]

phosphoric acid tris-(2-ethylhexyl) ester

Phosphoric acid tris(2-ethylhexyl) ester

Phosphoric acid, tris (2-ethylhexyl) ester

Phosphoric acid, tris(ethylhexyl) ester

TOF

tri-(2-ethylhexyl) phosphate

Tri(ethylhexyl) phosphate

triethylhexyl phosphate

trioctyl phosphate [ACD/IUPAC Name]

Tris(2-ethylhexy)phosphate

Tris-(2-ethylhexyl)fosfat [Czech]

Tris-(2-ethylhexyl)phosphate

Trioctyl phosphate

Tris(ethylhexyl) phosphate

Tris-2(2-ethylhexyl)fosfat [Czech]

78-42-2

Trioctyl phosphate

Disflamoll TOF

Phosphoric acid, tris(2-ethylhexyl) ester

Flexol TOF

Kronitex TOF

Flexol plasticizer TOF

2-Ethyl-1-hexanol phosphate

Tris(ethylhexyl) phosphate

Tri(2-ethylhexyl)phosphate

Tri(2-ethylhexyl) phosphate

NCI-C54751

Phosphoric acid, tris(ethylhexyl) ester

Tri(ethylhexyl) phosphate

1-Hexanol, 2-ethyl-, phosphate

UNII-BQC0BKB72S

2-Ethylhexanol, phosphate triester

Tris-(2-ethylhexyl)fosfat

NSC 407921

MFCD00009491

BQC0BKB72S

TOF

Phosphoric Acid Tris(2-ethylhexyl) Ester

DSSTox_CID_1414

DSSTox_RID_76149

DSSTox_GSID_21414

Triethylhexyl phosphate

Tris(2-ethylhexy)phosphate

CAS-78-42-2

CCRIS 615

HSDB 2562

Tris-(2-ethylhexyl)fosfat [Czech]

EINECS 201-116-6

Tris-2(2-ethylhexyl)fosfat [Czech]

BRN 1715839

Tris-2(2-ethylhexyl)fosfat

AI3-07852

C24H51O4P

Amgard TOF

1-Hexanol, phosphate

Phosphoric acid, tris(2-ethylhexyl)ester

ACMC-209pe8

EC 201-116-6

SCHEMBL35485

tris-(2-ethylhexyl)phosphate

MLS002415769

Phosphoric Acid Trioctyl Ester

CHEMBL1562290

DTXSID0021414

2-Ethylhexanol phosphate (3:1)

CHEBI:181994

HMS3039O17

Phosphoric acid tris(2-ethylhexyl)

Tox21_201369

Tox21_300321

ANW-37182

NSC407921

Tris(2-ethylhexyl) phosphate, 97%

Tris(2-ethylhexyl) phosphate, Selectophore(TM), >=99.0%

Trioctyl phosphate is incompatible with oxidizing materials. 

Trioctyl phosphate may soften or deteriorate certain plastics and elastomers. 

Trioctyl phosphate is incompatible with cellulose acetate and cellulose acetate butyrate. 

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.

Hazard

Toxic by ingestion and inhalation.

Properties: Freezing Point:-94°F (-70°C)

Boiling Point:Decomposes

Flash Point:338°F (170°C)

Auto-ignition:698°F (370°C)

Solubility in Water:Slight

Physical Hazards

Tris (2-ethylhexyl) phosphate is stable under normal conditions of use. 

Avoid contact with cellulose acetate and strong oxidizing agents. 

Heating to decomposition may release carbon monoxide,carbon dioxide, 1-ocetene, oxides of phosphorus, hydrocarbons and other toxic compounds.

Exposure to heat, open flames and other potential sources of ignition should be avoided.

Product Safety Assessment: Tris (2-ethylhexyl) phosphate

Potential Environmental Impact

Tris (2-ethylhexyl) phosphate is biodegradable. 

The chemical degrades rapidly in water but may adsorb to suspended solids and sediments. 

An accidental release to water may pose a danger to fish (moderate toxicity), invertebrates (low toxicity) and other aquatic organisms (moderate toxicity) prior to degrading. 

Bioaccumulation is not expected. 

Storage

If stored correctly, the product has a minimum shelf life of 2 years.

Packaging

Road tankers / containers, 950 kg non-returnable containers, 195 kg drums.

Disflamoll TOF is a phosphate ester plasticizer which imparts outstanding low-temperature flexibility and good resistance to weathering. 

Disflamoll TOF is a strong, moderately polar solvent. 

Disflamoll TOF is a phosphate plasticizer offering excellent low temperatures properties as well as good resistance to weathering. 

Disflamoll TOF is suitable for use in many types of polymers including flexible PVC, PUR, NBR, SBR and EPDM. 

Disflamoll TOF is a strong, moderately polar solvent. 

Disflamoll TOF is also 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.

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