CAS 78-32-0

Tri-p-cresyl phosphate

Description:

Tri-p-cresyl phosphate (TPCP) is an organophosphate compound characterized by its use as a plasticizer and flame retardant in various industrial applications. It is a colorless to pale yellow liquid with a faint aromatic odor. TPCP is soluble in organic solvents but has limited solubility in water, which influences its behavior in environmental contexts. The compound is known for its high thermal stability and low volatility, making it suitable for use in high-temperature applications. However, it is also recognized for its potential toxicity, particularly as a neurotoxin, which raises concerns regarding occupational exposure and environmental impact. TPCP can undergo hydrolysis and photodegradation, leading to the formation of various degradation products. Its use is regulated in many jurisdictions due to health and safety considerations, particularly in products that may come into contact with food or be used in consumer goods. Overall, while tri-p-cresyl phosphate serves important industrial functions, its safety profile necessitates careful handling and monitoring.

Formula: C₂₁H₂₁O₄P

InChI: InChI=1S/C21H21O4P/c1-16-4-10-19(11-5-16)23-26(22,24-20-12-6-17(2)7-13-20)25-21-14-8-18(3)9-15-21/h4-15H,1-3H3

InChI key: InChIKey=BOSMZFBHAYFUBJ-UHFFFAOYSA-N

SMILES: P(OC1=CC=C(C)C=C1)(OC2=CC=C(C)C=C2)(OC3=CC=C(C)C=C3)=O

Synonyms:

• NSC 2181
• Phosphoric acid, tri(4-tolyl)ester
• Phosphoric acid, tri-p-tolyl ester
• Phosphoric acid, tris(4-methylphenyl) ester
• Tri-p-cresyl phosphate
• Tris(4-methylphenyl) phosphate
• Tris(p-cresyl) phosphate
• Tris(p-methylphenyl) phosphate
• p-Tolyl phosphate (C₇H₇O)₃PO
• Tri-p-tolyl phosphate
• p-Tolyl phosphate (C7H7O)3PO

Tri-p-Tolyl phosphate

CAS: 78-32-0

Formula: C₂₁H₂₁O₄P

Purity: 98%

Color and Shape: Solid

Molecular weight: 368.3628

Ref: IN-DA003V6J

Tri-P-Tolylphosphate

CAS: 78-32-0

Tri-P-Tolylphosphate

Purity: 98%

Molecular weight: 368.36g/mol

Ref: 54-OR1029042

Tri-p-cresyl Phosphate

CAS: 78-32-0

Formula: C₂₁H₂₁O₄P

Purity: >98.0%(GC)

Color and Shape: White to Light yellow powder to crystal

Molecular weight: 368.37

Ref: 3B-T2209

Tri-4-cresyl phosphate

CAS: 78-32-0

Formula: C₂₁H₂₁O₄P

Color and Shape: Neat

Molecular weight: 368.36

Ref: 04-C17800830

Phosphoric Acid Tris(4-​methylphenyl) Ester

Controlled Product

CAS: 78-32-0

Stability Hygroscopic
Applications Phosphoric Acid Tris(4-​methylphenyl) Ester is a human urinary organophosphate flame retardant metabolite.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Schindler, B., et al.: J. Chromat. B, 877, 375 (2009)

Formula: C₂₁H₂₁O₄P

Color and Shape: Off-White

Molecular weight: 368.36

Ref: TR-P359435