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Tris(2-tolyl) phosphate

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Identification
Molecular formula
C21H21O4P
CAS number
78-32-0
IUPAC name
tris-o-tolyl phosphate
State
State
Tris(2-tolyl) phosphate is typically a liquid at room temperature, although it can solidify at slightly lower temperatures.
Melting point (Celsius)
22.00
Melting point (Kelvin)
295.15
Boiling point (Celsius)
390.00
Boiling point (Kelvin)
663.15
General information
Molecular weight
368.37g/mol
Molar mass
368.3860g/mol
Density
1.1780g/cm3
Appearence

Tris(2-tolyl) phosphate is typically a colorless to pale yellow transparent liquid. In its solid form, it may appear as white to off-white crystals. It is often used as a plasticizer and in various industrial applications.

Comment on solubility

Solubility of Tris-o-Tolyl Phosphate

Tris-o-tolyl phosphate, with the chemical formula C21H21O4P, exhibits intriguing solubility characteristics that are noteworthy in the study of chemical compounds. Understanding its solubility is essential for its applications in various fields.

Solubility Insights

The solubility behavior of tris-o-tolyl phosphate can be described as follows:

  • Organic Solvents: Tris-o-tolyl phosphate is generally soluble in many organic solvents such as benzene, toluene, and ethyl acetate.
  • Water Solubility: This compound is poorly soluble in water due to its large hydrophobic aromatic groups. Thus, it does not readily dissolve in aqueous solutions.
  • Temperature Dependence: Solubility may increase with temperature in organic solvents, emphasizing the importance of temperature control in practical applications.

As a general principle, compounds with large, hydrophobic groups tend to exhibit low solubility in polar solvents like water, which is definitively the case here. This characteristic can lead to selective applications in fields such as chemical synthesis and material science, where specific solvent interactions are required.

Conclusion

In summary, the solubility of tris-o-tolyl phosphate is primarily influenced by its molecular structure, favoring solubility in organic solvents while exhibiting resistance to dissolution in polar solvents like water. This behavior is crucial for understanding its potential uses and limitations in various industrial and research applications.

Interesting facts

Tris-o-tolyl Phosphate: An Overview

Tris-o-tolyl phosphate is an intriguing chemical compound widely recognized for its unique properties and applications. This organophosphate ester is commonly used in the field of chemistry, and its relevance spans various industries, particularly in flame retardants and plasticizer formulations. Here are some fascinating insights into this compound:

Key Characteristics

  • Flame Retardant Properties: Tris-o-tolyl phosphate is highly valued for its ability to inhibit combustion, making it vital in materials used for fire safety.
  • Role as a Plasticizer: It functions as an effective plasticizer, enhancing the flexibility and durability of polymers, especially in coatings and adhesives.
  • Thermal Stability: The compound exhibits impressive thermal stability, which is essential for applications that require resistance to thermal degradation.

Applications and Uses

This versatile compound finds its way into several applications, some of which include:

  • Building Materials: Often incorporated into building materials to improve fire resistance.
  • Electronics: Used in the manufacturing of electronic components where flame retardancy is crucial.
  • Automotive Industry: Employed in automotive parts and interiors to enhance safety features.

Sustainability and Safety

While tris-o-tolyl phosphate is beneficial in many respects, it is equally important to consider its environmental impacts:

  • Regulatory Concerns: As with many organophosphates, there are ongoing assessments regarding its bioaccumulation and potential toxicity to aquatic life.
  • Future Developments: Research is being directed towards developing safer alternatives and improving the sustainability of its production.

In conclusion, tris-o-tolyl phosphate stands out not only for its practical uses but also as a compound that exemplifies the balance between performance and safety in chemical applications. As researchers continue to explore and innovate within this space, it remains a vital subject of study in the chemical sciences.

Synonyms
Tri-o-tolyl phosphate
TRI-O-CRESYL PHOSPHATE
78-30-8
o-Tolyl phosphate
TOCP
Phosphoric acid, tris(2-methylphenyl) ester
o-Cresyl phosphate
Triorthocresyl phosphate
TOTP
Tri-2-tolyl phosphate
Phosflex 179C
Tris(o-tolyl) phosphate
Phosphoric acid, tri-o-tolyl ester
Trojkrezylu fosforan
Tri-2-methylphenyl phosphate
tri-2-cresyl phosphate
Tris(2-methylphenyl) phosphate
Tris(o-cresyl)-phosphate
o-Trikresylphosphate
Phosphoric Acid Tri-o-cresyl Ester
Phosphoric acid, tri-o-cresyl ester
Tris(o-methylphenyl)phosphate
CCRIS 6421
HSDB 4084
NSC 438
UNII-X8II18JD0A
Phosphoric acid, tri(2-tolyl)ester
EINECS 201-103-5
o-Trioyl phosphate
X8II18JD0A
BRN 1892885
TCP (Salt/Mix)
DTXSID6032192
AI3-00520
NSC-438
Reofos 65 (Salt/Mix)
Fyrquel 150 (Salt/Mix)
Cresyl phosphate (Salt/Mix)
Tritolyl phosphate (Salt/Mix)
Tricresyl phosphate (Salt/Mix)
DTXCID4012192
4-06-00-01979 (Beilstein Handbook Reference)
TRI-O-TOLYL PHOSPHATE [MI]
TRI-O-CRESYL PHOSPHATE [HSDB]
Phosphoric acid, tri-2-methylphenyl ester
Phosphoric acid, tris(methylphenyl) ester (Salt/Mix)
Tris(o-tolyl)-phosphate
Tri 2-methylphenyl phosphate
o-Trikresylphosphate [German]
Trojkrezylu fosforan [Polish]
Phosphoric Acid Tris(2-?methylphenyl) Ester
triorthotolyl phosphate
Tri-ortho-cresylphosphate
MFCD00041906
Kronitex
Lindol
Tofk
Cresyl phosphate
Dis-flamoll TKP
o-Trikesylphosphate
Triocresyl phosphate
Celluflex 179C
Triorthokresylphosphat
Fyrquel 150
Flexor plasticizerTCP
Tri-o-totyl phosphate
SANSOCIZER TCP
SUMIGUARD TBT
KRONITEX TCP
Phosphate de Tricresyl
KRONITEX R
REOMOL TCP
Tri-o-cresyl-phosphate
O-CRESYLPHOSPHATE
o-Tolyl phosphate;TOCP
PHOSPHLEX 179A
TRI-O-CRESYL ESTER
PHOSFLEX 179-C
SCHEMBL35762
DURAD 124
DURAD 125
IMOL S 140
NSC438
Phosphoric acid, tritolyl ester
Tricresyl phosphate (1% or more of the ortho isomer)
Tris (tolyloxy) phosphine oxide
TRITOLYL PHOSPHATE [MI]
CHEMBL3181798
Phosphate de Tricresyl (French)
SYN-O-AD 8484
Tricresyl phosphate (less than 1% of the ortho isomer)
TRIS(O-CRESYL) PHOSPHATE
BDBM82063
Tri-O-tolyl ester phosphoric acid
Tris(2-methylphenyl) phosphate #
NCI-C61041
Phosphoric Acid Tri-o-tolyl Ester
TRICRESYL PHOSPHATE [HSDB]
TRICRESYL PHOSPHATE [INCI]
Triocresyl ester of phosphoric acid
BCP30457
Phosphoric acid, tri-o-cresyl ether
Tox21_202983
TRIS(O-METHYLPHENYL) PHOSPHATE
WLN: 1R BOPO&OR B1&OR B1
AKOS015840507
CS-W011802
HY-W011086
O-TOLYLPHOSPHATE PHOSPHORIC ACID
SB66654
Triorthocresyl phosphate (ACGIH:OSHA)
CAS-78-30-8
CAS_78-30-8
NCGC00260676-01
Tri-o-tolyl phosphate, analytical standard
NS00004894
P1331
TRICRESYL PHOSPHATE (<1% ORTHO ISOMER)
PHOSPHORIC ACID,TRIS(2-METHYLPHENYL) ESTER
TRICRESYL PHOSPHATE (>= 1% ORTHO ISOMER)
Tricresylphosphate, with more than 3% ortho isomer (DOT)
941-548-9