Agent Name

3,5-Bis(1,1-dimethylethyl)-4-hydroxybenzenepropanoic acid thiodi-2,1-ethane

CAS Number




Major Category

Other Classes


4-Hydroxy-3,5-di-tert-butylphenylpropionic acid thioglycolate; Fenozan 30; Irganox 1035; Thiodi-2,1-ethanediyl bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate); Thiodiethyleneglycolbis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate); Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, 1,1'-(thiodi-2,1-ethanediyl) ester; Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, thiodi-2,1-ethanediyl ester; Thiodiethylene bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate); [ChemIDplus] Thioethylene glycol bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate); [FDA] Bis(2-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyloxy)ethyl)sulfide; 2-(3,5-Di-tert-butyl-4-hydroxyphenyl)propionic acid 2,2'-thiobisethanol diester; Irganox 1035FF; Irganox L 1035; Naugard EL 50; Thiodi(2,1-ethanediyl) bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate); Thiodiethylene glycol bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate); 3-Thia-1,5-pentanediol bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate); [RTECS] Anox 70; [Great Lakes Chemical MSDS]


Other Organic Compounds


White to off-white solid; [EPA ChAMP: Hazard Characterization] White to off-white powder, granules, or pellets; Odorless; [Great Lakes Chemical MSDS]


Used as a stabilizer for polyolefins, elastomers, and other polymers and in synthetic engine oil lubricants; Also approved by the FDA for use in food contact polymers, resins, and adhesives; [EPA ChAMP: Hazard Characterization] Used as an antioxidant; [Great Lakes Chemical MSDS]


An oral repeated-dose study of rats produced: 1.) significantly increased relative liver weights at 39 mg/kg/day (with minimal liver hypertrophy); 2.) no adverse effects to male or female reproductive organs; and 3.) a NOAEL of 12.5 mg/kg/day for systemic toxicity; [EPA ChAMP: Hazard Characterization] Causes changes in liver, kidney, and testicular weights in repeated-dose oral studies of rats; [RTECS] Dust may cause mechanical irritation; [Great Lakes Chemical MSDS]

Exposure Assessment
Vapor Pressure

2.9E-15 mm Hg

Lethal Concentration

LC50 (rat) = 6,300 mg/m3/4hr

Links to Other NLM Databases
Toxicity Information


Chemical Information

Search ChemIDplus

Related Information in HazMap
Other Information

No other related information on this agent was found.