Detail of "1254-78-0"

CAS Number:
1254-78-0
Name:
Phosphorous acid,didecyl phenyl ester
Molecular Structure:
Formula:
C₂₆H₄₇O₃P
Molecular Weight:
438.623341
Synonyms:
Decylphenyl phosphite ((C10H21O)2(PhO)P) (6CI,7CI);Didecyl phenyl phosphite;Irgaplast CH 300;Mark 517;NSC 139127;didecyl phenyl phosphite;
EINECS:
215-012-3
Boiling Point:
476.1 °C at 760 mmHg
Flash Point:
301.6 °C

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Lubricant, processing aid, stabilizer

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An NMR and DSC investigation of the solubility conditions of didecyl phenyl phosphite in rigid poly(vinyl chloride): An NMR and DSC investigation of the solubility conditions of didecyl phenyl phosphite in rigid poly(vinyl chloride). Gevert, T. U.; Svanson, S. E. (Dep. Phys. Chem., Univ. Goeteborg, Goeteborg S-412 96, Swed.). Polymer, 26(2), 307-9 (English) 1985. CODEN: POLMAG. ISSN: 0032-3861. DOCUMENT TYPE: Journal CA Section: 37 (Plastics Manufacture and Processing) NMR measurements showed that didecyl Ph phosphite [1254-78-0], used as a thermal co-stabilizer, is not completely dissolved in rigid PVC [9002-86-2]. DSC measurements however, show a marked effect on the glass transition temp. of PVC, which implies that the co-stabilizer is dissolved to some degree in the PVC phase. Although this effect on the glass transition temp. proceeds continuously with the added amt. of the co-stabilizer, DSC measurements alone cannot give a full description of the soly. conditions. Nor can the effects obsd. by DSC be used to give criteria for a complete soly.

Polycarbonate compositions and moldings with permanent electric conductivity: Polycarbonate compositions and moldings with permanent electric conductivity. (General Electric Co., USA). Neth. Appl. NL 8202845 A 1 Feb 1984, 19 pp. (Dutch). (Netherlands). CODEN: NAXXAN.There are some reagents with their cas registry numbers 24936-68-3 and 1254-78-0 are used in this study. CLASS: IC: C08L067-00; C08K005-52; H05F001-00; G11B009-06. APPLICATION: NL 82-2845 14 Jul 1982. DOCUMENT TYPE: Patent CA Section: 37 (Plastics Manufacture and Processing) Section cross-reference(s): 76 The degrdn. of polycarbonate resins resulting from addn. of carbon black (to give permanent elec. cond. for capacitance-based video disks or antistatic plastics) is prevented by addn. of an org. phosphite, a plasticizer, and/or a polysiloxane to the polycarbonate. Thus, a bisphenol A-phosgene copolymer [25971-63-5] 76, carbon black 18, and pentaerythritol tetrabenzoate (I) [4196-86-5] 6 parts were mixed and extruded to give a product with surface resistance <50 W and av. mol. wt. 15,600 compared to >1010 and 21,900, resp., for a compn. without I. .