抗氧化剂168

Description

Antioxidant 168 · CAS 31570-04-4 · C42H63O3P. UNII 834E5H0LFF.

Identification

CAS Registry Number	31570-04-4
PubChem CID	91601
Molecular formula	C42H63O3P
IUPAC name	tris(2,4-ditert-butylphenyl) phosphite
UNII (FDA)	834E5H0LFF

Computed Descriptors

Molecular Weight	646.9
XLogP3	15.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	12
Exact Mass	646.45148287
Monoisotopic Mass	646.45148287
Topological Polar Surface Area	27.7
Heavy Atom Count	46
Formal Charge	0

Physical description & handling notes

• Dry Powder; Other Solid; Dry Powder; Liquid; Liquid; Dry Powder; Large Crystals; Large Crystals; Other Solid; CBI; Large Crystals; Other Solid; Dry Powder

Regulatory Status

Regulatory & Food Contact

FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS Tris (2,4-di-tert-butylphenyl)phosphite (CAS Reg. No. 31570-04-4) For use as a stabilizer in olefin copolymers described in 21 CFR 177.1520(a)(3)(iii) and meeting the specifica Maximum use level of 0.2 percent by weight of the finished copolymer. The finished copolymers are intended to

GHS notification summary

90.3% (1252 / 1386)

GHS Hazard Classification

GHS notification summary	90.3% (1252 / 1386)

Documented Uses

• Plastics -> Typical concentration range in plastic materials -> 0.004 - 0.5%
• Plastics -> Other functions -> Other stabiliser
• Plastics -> Polymer Type -> Polyolefin-I; PUR; Polyolefin-II; ABS; PET; PMMA; PA; PC; (E)PS
• Not Known or Reasonably Ascertainable
• 2023: 40,000,000 - <55,000,000 lb
• 2022: 55,000,000 - <70,000,000 lb

Synonyms

31570-04-4; Tris(2,4-di-tert-butylphenyl) phosphite; Tris(2,4-ditert-butylphenyl) phosphite; Tris(2,4-di-tert-Butylphenyl)phosphite; 834E5H0LFF; IRGAFOS-168; Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1); DOVERPHOS S 480; EVERFOS 168; tris-(2,4-di-tert-butylphenyl) phosphite; DTXSID2027969; JP-650; 250-709-6; RefChem:900160; DTXCID907969; Irgafos 168

Frequently Asked Questions

What are the CAS number and molecular formula of Antioxidant 168?

CAS 31570-04-4; molecular formula C42H63O3P; molecular weight — g/mol.

What other names is Antioxidant 168 known by?

31570-04-4, Tris(2,4-di-tert-butylphenyl) phosphite, Tris(2,4-ditert-butylphenyl) phosphite, Tris(2,4-di-tert-Butylphenyl)phosphite, 834E5H0LFF, IRGAFOS-168.

What is the regulatory status of Antioxidant 168?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS.

Is Antioxidant 168 classified as hazardous?

90.3% of GHS notifications report no hazard classification (1252 of 1386).

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.