Tricresyl phosphate

CAS 78-32-0C21H21O4PMW 368.4

Tricresyl phosphate (CAS 78-32-0) — formula C21H21O4P, molecular weight 368.4.

Product Overview

CAS Number	78-32-0
Molecular Formula	C21H21O4P
Molecular Weight	368.4
Melting Point	171 to 172 °F (NTP, 1992)
Boiling Point	435 °F at 3.5 mmHg (NTP, 1992)
LogP	5.11

Technical Profile

What this product is

Tricresyl phosphate is a chemical compound with CAS registry number 78-32-0 and molecular formula C21H21O4P (molecular weight 368.4).

Identification

CAS number: 78-32-0

Its molecular formula C21H21O4P comprises 21 C, 21 H, 4 O, 1 P atoms.

Also known as: Tricresyl phosphate · 磷酸三甲苯酯

Frequently Asked Questions

What is the CAS number of Tricresyl phosphate?

The CAS registry number of Tricresyl phosphate is 78-32-0.

What is the molecular formula and molecular weight of Tricresyl phosphate?

Molecular formula C21H21O4P, molecular weight 368.4.

What other names is Tricresyl phosphate known by?

It is also registered under: Tricresyl phosphate, 磷酸三甲苯酯.

PubChem Public Data

Independent reference data for Tricresyl phosphate (CAS 78-32-0), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number	78-32-0
PubChem CID	6529
Molecular formula	C21H21O4P
IUPAC name	tris(4-methylphenyl) phosphate
UNII (FDA)	5149JKD098

Computed descriptors

Molecular Weight	368.4
XLogP3	5.1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	6
Exact Mass	368.11774614
Monoisotopic Mass	368.11774614
Topological Polar Surface Area	44.8
Heavy Atom Count	26

Physicochemical values on record

Boiling Point	435 °F at 3.5 mmHg (NTP, 1992)
Boiling Point	BP: 224 °C at 35 mm Hg
Melting Point	171 to 172 °F (NTP, 1992)
Melting Point	77.5 °C
Density	1.247 g/cu cm at 25 °C
Vapor Pressure	0.00000003 [mmHg]
LogP	5.11
Collision Cross Section	200.02 Å² [M+Na]+
Collision Cross Section	190.02 Å² [M+H]+
Collision Cross Section	273.74 Å² [2M+Na]+

Documented uses on record

Synonyms and trade names

78-32-0; Tri-p-tolyl phosphate; TRI-P-CRESYL PHOSPHATE; Tris(4-methylphenyl) phosphate; Phosphoric acid, tris(4-methylphenyl) ester; Phosphoric acid, tri(4-tolyl)ester; HSDB 2559; NSC 2181; EINECS 201-105-6; 5149JKD098; UNII-5149JKD098; AI3-04490; NSC-2181; p-Tolyl phosphate ((C7H7O)3PO); DTXSID5052676; TRI-P-CRESYL PHOSPHATE [HSDB]

GHS hazard classification

Reported hazard statements	H302, H312, H411, H400 (71.9%), H410 (33.8%), H373

H302: Harmful if swallowed [Warning Acute toxicity, oral]

H312: Harmful in contact with skin [Warning Acute toxicity, dermal]

What the public record says

Tricresyl phosphate · CAS 78-32-0 · C21H21O4P. UNII 5149JKD098. Boiling Point: 435 °F at 3.5 mmHg (NTP, 1992); Boiling Point: BP: 224 °C at 35 mm Hg; Melting Point: 171 to 172 °F (NTP, 1992).

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.