亚磷酸二癸基苯酯

Description

didecyl phenyl phosphite · CAS 1254-78-0 · C26H47O3P. UNII 0SC8C80BHO. Melting Point: BELOW 0 °C; Flash Point: 425 °F, OC; Density: 0.940 @ 25 °C/15.5 °C.

Identification

CAS Registry Number	1254-78-0
PubChem CID	14741
Molecular formula	C26H47O3P
IUPAC name	didecyl phenyl phosphite
UNII (FDA)	0SC8C80BHO

Computed Descriptors

Molecular Weight	438.6
XLogP3	10.9
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	22
Exact Mass	438.32628235
Monoisotopic Mass	438.32628235
Topological Polar Surface Area	27.7
Heavy Atom Count	30
Formal Charge	0

Physical & Chemical Properties

Melting Point	BELOW 0 °C
Flash Point	425 °F, OC
Density	0.940 @ 25 °C/15.5 °C

Physical description & handling notes

• Nearly colorless liquid with an odor of alcohol; [HSDB]
• NEARLY WATER-WHITE LIQUID
• ODOR OF ALCOHOL
• INDEX OF REFRACTION: 1.4785 @ 25 °C/D

GHS Hazard Classification

Reported hazard statements	H315 (100%), H317 (100%), H410 (66.7%), H411 (33.3%)

Documented Uses

• Used as chemical intermediate, antioxidant, and stabilizer (plastics, resins, and elastomers); [HSDB]
• CHEMICAL INTERMEDIATE; ANTIOXIDANT; INGREDIENT IN STABILIZER SYSTEMS FOR RESINS
• STABILIZER FOR PLASTICS & ELASTOMERS
• PROBABLY BY REACTION OF TRIPHENYL PHOSPHITE WITH DECANOL
• (1977) AT LEAST 4.54X10+8 GRAMS
• Phosphorous acid, didecyl phenyl ester: ACTIVE

Synonyms

DIDECYL PHENYL PHOSPHITE; Phenyl didecyl phosphite; Phosphorous acid, didecyl phenyl ester; Irgaplast CH 300; UNII-0SC8C80BHO; 0SC8C80BHO; HSDB 6137; EINECS 215-012-3; NSC 139127; NSC-139127; DTXSID7051634; PHENYL DIDECYL PHOSPHITE [HSDB]; DECYL PHENYL PHOSPHITE ((C10H21O)2(PHO)P); RefChem:133270; DTXCID8030186; 215-012-3

Frequently Asked Questions

What are the CAS number and molecular formula of didecyl phenyl phosphite?

CAS 1254-78-0; molecular formula C26H47O3P; molecular weight — g/mol.

What other names is didecyl phenyl phosphite known by?

DIDECYL PHENYL PHOSPHITE, Phenyl didecyl phosphite, Phosphorous acid, didecyl phenyl ester, Irgaplast CH 300, UNII-0SC8C80BHO, 0SC8C80BHO.

Is didecyl phenyl phosphite classified as hazardous?

Hazard statements reported: H315, H317, H410, H411.

What are the key physical properties of didecyl phenyl phosphite?

Melting Point: BELOW 0 °C; Flash Point: 425 °F, OC; Density: 0.940 @ 25 °C/15.5 °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.