磷酸二苯基乙基己酯

Description

Phosphoric aciddiphenyl ethylhexyl ester · CAS 1241-94-7 · C20H27O4P. UNII 4F53Z6NE1Y. Boiling Point: 375 °C; Boiling Point: BP: 232 °C at 5 mm Hg; Melting Point: -30 °C.

Identification

CAS Registry Number	1241-94-7
PubChem CID	14716
Molecular formula	C20H27O4P
IUPAC name	2-ethylhexyl diphenyl phosphate
UNII (FDA)	4F53Z6NE1Y

Computed Descriptors

Molecular Weight	362.4
XLogP3	6.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	11
Exact Mass	362.16469634
Monoisotopic Mass	362.16469634
Topological Polar Surface Area	44.8
Heavy Atom Count	25
Formal Charge	0

Physical & Chemical Properties

Boiling Point	375 °C
Boiling Point	BP: 232 °C at 5 mm Hg
Melting Point	-30 °C
Flash Point	224 °C (435 °F) (Open cup)
Solubility	In water, 1.9 mg/L at 25 °C
Density	1.090 g/cu cm at 25 °C
Vapor Pressure	0.0000629 [mmHg]
LogP	log Kow = 5.730
LogP	5.0
Collision Cross Section	202.7 Ų [M+Na]+

Physical description & handling notes

• 2-ethylhexyl diphenyl phosphate is a pale yellow liquid. Insoluble in water. (NTP, 1992)
• Liquid; CBI
• Pale yellow liquid; [CAMEO]
• Liquid
• Insoluble (NTP, 1992)
• Henry's Law constant = 5.42X10-5 atm cu m/mole at 25 °C

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	16.7% (144 / 864)

GHS Hazard Classification

GHS notification summary	16.7% (144 / 864)
Reported hazard statements	H331 (12%), H400 (61.5%), H410 (56.4%), H411 (26.5%), H373

Documented Uses

• Used as plasticizer and fireproofing agent for polyvinyl chlorides and polyvinyl copolymers in food packaging and hydraulic fluids for large aircraft; [HSDB]
• 2-Ethylhexyl diphenyl phosphate sold or distributed in the U.S. by Ferro as is of uniform composition. The material is used as an intermediate in chemical processing, principally of plastics. ...
• Plasticizer for polyvinyl chlorides, polyvinyl copolymers; has fireproofing properties
• Has FDA approval for certain food packaging applications
• Of the mixed alkyl aryl phosphates, the most important one is 2-ethylhexyl diphenyl phosphate ... . This nontoxic compound finds use as a plasticizer for food-wrapping films, for films for tubings for skinless sausages, and for other meat packaging. ... This compound is also the main component in certain nonflammable hydraulic fluids used in large aircraft.
• REACTION OF 2-ETHYLHEXANOL WITH PHOSPHORUS OXYCHLORIDE TO FORM 2-ETHYLHEXYL PHOSPHORYL DICHLORIDE WHICH IS THEN REACTED WITH SODIUM PHENATE

Synonyms

2-Ethylhexyl diphenyl phosphate; 1241-94-7; Octicizer; Phosphoric acid, 2-ethylhexyl diphenyl ester; Santicizer 141; 2-Ethylhexyldiphenylphosphate; (2-Ethylhexyl)-difenylfosfat; Diphenyl 2-ethylhexyl phosphate; DTXSID1025300; 2-Ethylhexyl diphenylphosphate; DIPHENYL-2-ETHYLHEXYL PHOSPHATE; 1-Hexanol, 2-ethyl-, ester with diphenyl phosphate; 4F53Z6NE1Y; di(2-ethylhexyl)phenylphosphate; Phosphoric Acid 2-Ethylhexyl Diphenyl Ester; DTXCID105300

Frequently Asked Questions

What are the CAS number and molecular formula of Phosphoric aciddiphenyl ethylhexyl ester?

CAS 1241-94-7; molecular formula C20H27O4P; molecular weight — g/mol.

What other names is Phosphoric aciddiphenyl ethylhexyl ester known by?

2-Ethylhexyl diphenyl phosphate, 1241-94-7, Octicizer, Phosphoric acid, 2-ethylhexyl diphenyl ester, Santicizer 141, 2-Ethylhexyldiphenylphosphate.

What is the regulatory status of Phosphoric aciddiphenyl ethylhexyl ester?

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

Is Phosphoric aciddiphenyl ethylhexyl ester classified as hazardous?

16.7% of GHS notifications report no hazard classification (144 of 864).

What are the key physical properties of Phosphoric aciddiphenyl ethylhexyl ester?

Boiling Point: 375 °C; Boiling Point: BP: 232 °C at 5 mm Hg; Melting Point: -30 °C; Flash Point: 224 °C (435 °F) (Open cup).

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.