磷酸甲苯基二苯酯

Description

Cresyl Diphenyl Phosphate · CAS 26444-49-5 · C19H17O4P. UNII 4P1854YU14. Boiling Point: 390 °C at 760 mm Hg; Boiling Point: 390 °C @760 [mm Hg]; Melting Point: Freezing point: -38 °C.

Identification

CAS Registry Number	26444-49-5
PubChem CID	520263
Molecular formula	C19H17O4P
IUPAC name	(2-methylphenyl) diphenyl phosphate
UNII (FDA)	4P1854YU14

Computed Descriptors

Molecular Weight	340.3
XLogP3	5.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	6
Exact Mass	340.08644602
Monoisotopic Mass	340.08644602
Topological Polar Surface Area	44.8
Heavy Atom Count	24
Formal Charge	0

Physical & Chemical Properties

Boiling Point	390 °C at 760 mm Hg
Boiling Point	390 °C @760 [mm Hg]
Melting Point	Freezing point: -38 °C
Melting Point	-38 °C
Flash Point	450 °F (232 °C) (Closed cup)
Solubility	In water, 2.4 mg/L at 25 °C
Solubility	In water, 2.6 mg/L at 25 °C
Density	1.208 at 25 °C
Density	1.208 @25 °C
Vapor Pressure	0.0000047 [mmHg]

Physical description & handling notes

• Liquid; Large Crystals
• Clear colorless liquid; [HSDB] Light yellow liquid; [MSDSonline]
• Colorless transparent liquid
• Very slight odor
• Insoluble in glycerol; soluble in most organic solvents except glycerol
• log Kow = 3.7. Vapor pressure = <1.2X10-4 Pa ar 25 °C; 1.0X10-6 hPa at 41 °C

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS

GHS Hazard Classification

Reported hazard statements	H302 (31.2%), H400 (68.8%), H410 (59.7%), H412 (20.5%), H319, H361, H373, H411

Documented Uses

• Used as plasticizer and flame retardant for rubbers and plastics (including food packaging), as a gasoline additive, and in extreme-pressure lubricants and hydraulic fluids; [HSDB] Used in glue for screen tables used in textile printing, as a softener for polymers; in construction materials and coatings, and in insulating filling foams; [eChemPortal: SIDSUNEP]
• Petroleum Production and Refining [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Insulation Installing and Removing [Category: Other]
• Working with Glues and Adhesives [Category: Other]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]

Synonyms

Diphenylcresyl phosphate; Disflamoll DPK; o-Tolyldiphenylphosphate; Diphenyl tolyl phosphate; Tolyl diphenyl phosphate; Phosphoric acid, methylphenyl diphenyl ester; Cresyldiphenyl phosphate; Phosphoric acid, diphenyl tolyl ester; Phosphoric acid, methylphenyldiphenyle; 4P1854YU14; CCRIS 4773; HSDB 6096; EINECS 247-693-8; AI3-07853; DTXSID3024861; RefChem:588820

Frequently Asked Questions

What are the CAS number and molecular formula of Cresyl Diphenyl Phosphate?

CAS 26444-49-5; molecular formula C19H17O4P; molecular weight — g/mol.

What other names is Cresyl Diphenyl Phosphate known by?

Diphenylcresyl phosphate, Disflamoll DPK, o-Tolyldiphenylphosphate, Diphenyl tolyl phosphate, Tolyl diphenyl phosphate, Phosphoric acid, methylphenyl diphenyl ester.

What is the regulatory status of Cresyl Diphenyl Phosphate?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Cresyl Diphenyl Phosphate classified as hazardous?

Hazard statements reported: H302, H400, H410, H412, H319.

What are the key physical properties of Cresyl Diphenyl Phosphate?

Boiling Point: 390 °C at 760 mm Hg; Boiling Point: 390 °C @760 [mm Hg]; Melting Point: Freezing point: -38 °C; Melting Point: -38 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.