磷酸异癸基二苯酯

Description

Isodecyl diphenyl phosphate · CAS 29761-21-5 · C22H31O4P. UNII 2927JBB380. Boiling Point: 249 °C (dec) @ 1.33 kPa; Melting Point: -31 °F (NTP, 1992); Density: 1.070.

Identification

CAS Registry Number	29761-21-5
PubChem CID	34697
Molecular formula	C22H31O4P
IUPAC name	8-methylnonyl diphenyl phosphate
UNII (FDA)	2927JBB380

Computed Descriptors

Molecular Weight	390.5
XLogP3	7.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	13
Exact Mass	390.19599646
Monoisotopic Mass	390.19599646
Topological Polar Surface Area	44.8
Heavy Atom Count	27
Formal Charge	0

Physical & Chemical Properties

Boiling Point	249 °C (dec) @ 1.33 kPa
Melting Point	-31 °F (NTP, 1992)
Density	1.070
Vapor Pressure	0.000016 [mmHg]
LogP	log Kow= 5.44
LogP	5.44
Collision Cross Section	207.3 Ų [M+Na]+
Collision Cross Section	290.51 Ų [2M+Na]+
Collision Cross Section	200.2 Ų [M+H]+
Other Experimental Properties	Pour point: < - 50 °C

Physical description & handling notes

• Isodecyl diphenyl phosphate is a viscous clear colorless liquid. (NTP, 1992)
• Liquid
• Clear colorless liquid; [CAMEO]
• Decomposes (NTP, 1992)
• greater than 200 °F (NTP, 1992)
• Insoluble (<1 mg/ml at 70 °F) (NTP, 1992)

Regulatory Status

GHS notification summary	17.1% (94 / 551)

GHS Hazard Classification

GHS notification summary	17.1% (94 / 551)
Reported hazard statements	H413 (81.1%)

Documented Uses

• Used as a plasticizer and a lubricant additive; [HSDB] Used as plasticizer and flame retardant in polymers (electrical insulation, pipe insulation, and fire/smoke retardant construction materials); [IUCLID]
• 2023: 1,000,000 - <8,500,000 lb
• 2022: 1,000,000 - <8,500,000 lb
• 2021: 1,000,000 - <8,500,000 lb
• 2020: 1,000,000 - <8,500,000 lb
• Phosphoric acid, isodecyl diphenyl ester: ACTIVE

Synonyms

ISODECYL DIPHENYL PHOSPHATE; 29761-21-5; Phosphoric acid, isodecyl diphenyl ester; Phosflex 390; Diphenyl isodecyl phosphate; Isodecyldiphenyl phosphate; CCRIS 4830; HSDB 6797; EINECS 249-828-6; 2927JBB380; DIACIZER D 148; EC 249-828-6; ISODECYLDIPHENYL PHOSPHATE [HSDB]; ISODECYL ALCOHOL, DIPHENYL PHOSPHATE; DTXSID3025465; RefChem:791842

Frequently Asked Questions

What are the CAS number and molecular formula of Isodecyl diphenyl phosphate?

CAS 29761-21-5; molecular formula C22H31O4P; molecular weight — g/mol.

What other names is Isodecyl diphenyl phosphate known by?

ISODECYL DIPHENYL PHOSPHATE, 29761-21-5, Phosphoric acid, isodecyl diphenyl ester, Phosflex 390, Diphenyl isodecyl phosphate, Isodecyldiphenyl phosphate.

Is Isodecyl diphenyl phosphate classified as hazardous?

17.1% of GHS notifications report no hazard classification (94 of 551).

What are the key physical properties of Isodecyl diphenyl phosphate?

Boiling Point: 249 °C (dec) @ 1.33 kPa; Melting Point: -31 °F (NTP, 1992); Density: 1.070; Vapor Pressure: 0.000016 [mmHg].

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.