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2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane structure

CAS No.: 78-63-7

Chemical Name:: 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane

Synonyms: luperox;Trigonox 101;DPDH;luperox101;2,5-Dimethyl-2,5-di;2,5-Dimethyl-2,5-di(tert-butyl;2,5-DIMETHYL-2,5-DI(T-BUTYL-PEROXY)HEXANE;2,5-BIS(TERT-BUTYLPEROXY)-2,5-DIMETHYLHEXANE;2,5-DIMETHYL-2,5-BIS(TERT-BUTYLPEROXY)HEXANE;2,5-Bis(tert-butyl peroxide)-2,5-dimethyhexane

CBNumber:: CB1179686

Molecular Formula:: C16H34O4

Molecular Weight:: 290.44

MDL Number:: MFCD00053715

MOL File:: 78-63-7.mol

MSDS File:: SDS

Last updated:2026-06-24 18:39:39

Product description	Number	Pack Size	Price
Luperox? 101, 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane technical grade, 90%	388092	100ml	$78.6
Luperox? 101, 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane technical grade, 90%	388092	500ml	$271
2,5-Bis(tert-butyldioxy)-2,5-dimethylhexane (>90%)	TRC-B786370-5ML	5mL	$66
2,5-Bis(tert-butyldioxy)-2,5-dimethylhexane (>90%)	TRC-B786370-1ML	1mL	$61
2,5-Bis(tert-butyldioxy)-2,5-dimethylhexane (>90%)	TRC-B786370-10ML	10mL	$79
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2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane Properties

Melting point	6 °C
Boiling point	55-57 °C7 mm Hg(lit.)
Density	0.877 g/mL at 25 °C(lit.)
vapor pressure	0.002Pa at 20℃
refractive index	n20/D 1.423(lit.)
Flash point	149 °F
storage temp.	2-8°C
solubility	Chloroform (Soluble), Methanol (Sparingly)
form	Oil
color	Colourless
Water Solubility	immiscible
Henry's Law Constant	3.9×10^-3 mol/(m³Pa) at 25℃, Zhang et al. (2010)
Stability	Unstable. May contain an inhibitor. Incompatible with strong oxidizing agents, acids, reducing agents, organic materials, powdered metals.
InChI	1S/C16H34O4/c1-13(2,3)17-19-15(7,8)11-12-16(9,10)20-18-14(4,5)6/h11-12H2,1-10H3
InChIKey	DMWVYCCGCQPJEA-UHFFFAOYSA-N
SMILES	CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C
LogP	7.34 at 20℃
CAS DataBase Reference	78-63-7(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances	(1,1,4,4-TETRAMETHYLTETRAMETHYLENE)BIS(TERT-BUTYL PEROXIDE)
FDA 21 CFR	177.1520; 177.2600
FDA UNII	923755EYY5
EPA Substance Registry System	2,5-Dimethyl-2,5-di-(tert-butylperoxy)hexane (78-63-7)
UNSPSC Code	12162002
NACRES	NA.23

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS02,GHS07
Signal word	Danger
Hazard statements	H242-H315
Precautionary statements	P210-P234-P235-P240-P280-P264-P370+P378-P302+P352-P332+P313-P362+P364-P403-P410-P411-P420-P501
PPE	Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes	O,Xn,Xi,E
Risk Statements	8-36/37/38-7-36/38-10-41-37/38-68-38-2
Safety Statements	7-17-36/37/39-3/7-26-14A-47-14-36/37-35
RIDADR	UN 3108 5.2
WGK Germany	1
RTECS	MO1835000
TSCA	TSCA listed
HazardClass	5.2
PackingGroup	II
HS Code	29012990
Storage Class	4.1A - Other explosive hazardous materials
Hazard Classifications	Muta. 2 Org. Perox. C Skin Irrit. 2
REACH Registrations	Active

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane price More Price(9)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	388092	Luperox? 101, 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane technical grade, 90%	78-63-7	100ml	$78.6	2023-01-07	Buy
Sigma-Aldrich	388092	Luperox? 101, 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane technical grade, 90%	78-63-7	500ml	$271	2023-01-07	Buy
TRC	TRC-B786370-5ML	2,5-Bis(tert-butyldioxy)-2,5-dimethylhexane (>90%)	78-63-7	5mL	$66	2026-06-03	Buy
TRC	TRC-B786370-1ML	2,5-Bis(tert-butyldioxy)-2,5-dimethylhexane (>90%)	78-63-7	1mL	$61	2026-06-03	Buy
TRC	TRC-B786370-10ML	2,5-Bis(tert-butyldioxy)-2,5-dimethylhexane (>90%)	78-63-7	10mL	$79	2026-06-03	Buy

Product number	Packaging	Price	Buy
388092	100ml	$78.6	Buy
388092	500ml	$271	Buy
TRC-B786370-5ML	5mL	$66	Buy
TRC-B786370-1ML	1mL	$61	Buy
TRC-B786370-10ML	10mL	$79	Buy

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane Chemical Properties,Uses,Production

Chemical Properties

colourless to light yellow liquid

Uses

Initiates degradation of polypropylene, monomer scavenger in styrene polymerization. Free radical polymerization initiator.

Application

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane is an efficient peroxide for the degradation of polypropylene (CR-PP) in the temperature range of 200-250°C. It can also be used as chaser catalyst to reduce residual monomer in the mass polymerization of styrene. It is used for the crosslinking of natural and synthetic rubber, as well as thermoplastic polyolefins: Rubber compounds containing Trigonox 101 have excellent scorch safety. Safe processing temperature: 135°C(rheometer t_s2 > 20 minutes). Typical crosslinking temperature: 175 ℃ (rheometer t₉₀ about 12 minutes).

General Description

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane, also known as trigonox 101, is a clear, yellow liquid. (NTP, 1992)also for storage and transport mixed with inert solid.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Peroxides, such as 2,5-DIMETHYL-2,5-DI-(TERT-BUTYLPEROXY)HEXANE, are good oxidizing agents. Organic compounds can ignite on contact with concentrated peroxides. Strongly reduced material such as sulfides, nitrides, and hydrides may react explosively with peroxides. There are few chemical classes that do not at least produce heat when mixed with peroxides. Many produce explosions or generate gases (toxic and nontoxic). Generally, dilute solutions of peroxides (<70%) are safe, but the presence of a catalyst (often a transition metal such as cobalt, iron, manganese, nickel, or vanadium) as an impurity may even then cause rapid decomposition, a buildup of heat, and even an explosion. Solutions of peroxides often become explosive when evaporated to dryness or near-dryness. Danger of explosion when dry. May explode from heat, shock, friction or contamination. May ignite combustibles (wood, paper, oil, clothing, etc.). May be ignited by heat, sparks or flames.

Flammability and Explosibility

Flammable

Safety Profile

Moderately toxic by intraperitoneal route. Combustible when exposed to heat, flames, or reducing agents. To fight fire, use water spray, foam, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. Used in the polymerization of styrene and in cross-linking of various grades of polyethylene. See also PEROXIDES, ORGANIC.

Potential Exposure

It is used as a catalyst in making polyethylene, polystyrene, and polyester resins.

First aid

If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.

storage

Color Code—Yellow Stripe: Reactivity Hazard;Store separately in an area isolated from flammables, combustibles, or other yellow-coded materials. Prior to workingwith this chemical you should be trained on its proper handling and storage. Store in tightly closed containers in acool, well-ventilated area away from strong oxidizers (suchas chlorine, bromine, and fluorine), strong acids (such ashydrochloric, sulfuric, and nitric), and combustibles.Sources of ignition, such as smoking and open flames, areprohibited where 2,5-dimethyl-2,5-di(tert-butyl peroxy)hexane is used, handled, or stored in a manner that could createa potential fire or explosion hazard. Use only nonsparkingtools and equipment, especially when opening and closingcontainers of 2,5-dimethyl-2,5-di(tert-butyl peroxy)hexane.See OSHA Standard 1910.104 and NFPA 43A Code for theStorage of Liquid and Solid Oxidizers for detailed handlingand storage regulations.

Shipping

This compound requires a shipping label of“ORGANIC PEROXIDE.” It falls in Hazard Class 5.2 andPacking Group II.

Incompatibilities

Unstable organic peroxide. Strong oxidizer; potentially explosive. Forms explosive mixture withair. Reacts with reducing agents, strong oxidizers, strongacids, combustible materials.

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane synthesis

Synthesis of 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane from 2,5-DIMETHYLHEXANE-2,5-DIHYDROPEROXIDE and tert-Butanol

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane Preparation Products And Raw materials

Raw materials

Hydrogen peroxide Nickel 2-Methyl-2,4-pentanediol Dimethylhexynediol 2,5-DIMETHYLHEXANE-2,5-DIHYDROPEROXIDE

Preparation Products

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane Suppliers

Global( 205)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Sinomore New Material Company Limited	+86-13656229759; +86-13656229759	sales@sinomorechem.com	China	26	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21533	55
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418679 +86-18949832763	info@tnjchem.com	China	2984	55
career henan chemical co	+86-0371-86658258	factory@coreychem.com	China	29780	58
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	sale@simagchem.com	China	17339	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34526	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-81139210 +86-17392587031	1059@dideu.com	China	9984	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 17705817739	info@dycnchem.com	China	52693	58
CD Chemical Group Limited	+86-13651442114	info@codchem.com	China	17253	58
Guangzhou TongYi biochemistry technology Co.,LTD		tongyibiochem@163.com	China	2988	58

Supplier	Advantage
Sinomore New Material Company Limited	58
Henan Tianfu Chemical Co.,Ltd.	55
Hefei TNJ Chemical Industry Co.,Ltd.	55
career henan chemical co	58
SIMAGCHEM CORP	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Shaanxi Dideu Medichem Co. Ltd	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
CD Chemical Group Limited	58
Guangzhou TongYi biochemistry technology Co.,LTD	58

Uses of 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane (also known as Trigonox 101) is an important bifunctional peroxide that can be use....
Feb 12,2025

View Lastest Price from 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-03-20	2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane 78-63-7	$10.00	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd
2026-03-05	2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane 78-63-7		500kg	94%	200tons	Sinomore New Material Company Limited
2025-03-05	2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane 78-63-7		1KG	>99%	100 MT	TEKA-FAST LIMITED

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
78-63-7
$10.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane
78-63-7
94%
Sinomore New Material Company Limited

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
78-63-7
$0.00
>99%
TEKA-FAST LIMITED

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane Spectrum

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane(78-63-7)Raman 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane(78-63-7)FT-IR

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VAROX DBPH VAROX DBPH-50 LUPEROX 101XL Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide 2,5-DIMETHYL-2,5-DI(T-BUTYL-PEROXY)HEXANE 2,5-DIMETHYL-2,5-DI(TERT-BUTYLPEROXY)HEXANE 2,5-BIS(T-BUTYLPEROXY)-2,5-DIMETHYLHEXANE 2,5-BIS(TERT-BUTYLPEROXY)-2,5-DIMETHYLHEXANE 2,5-dimethyl-2,5-di(butylperoxy)hexane 2,5-dimethyl-2,5-di(t-butylperoxy)-hexan ad40c cr05 ct8(crosslinkingagent) hc4(peroxide) interoxdhbp interoxdhbp45ic/g kayahexaad kayahexaad40 kayahexaad40c luperco101x45 luperco101xl luperox101 lupersol101 lupersol101xl perhexa2.5b perhexa2.5b40 perhexa25b perhexa25b40 peroxide,(1,1,4,4-tetramethyl-1,4-butanediyl)bis((1,1-dimethylethyl) Peroxide,(1,1,4,4-tetramethyl-1,4-butanediyl)bis(1,1-dimethylethyl) peroxide,(1,1,4,4-tetramethyl-1,4-butanediyl)bis[(1,1-dimethylethyl) peroxide,(1,1,4,4-tetramethyltetramethylene)bis(tert-butyl rc4(peroxide) tc8(catalyst) trigonox101-101/45 trigonoxxq8 varox varox50 varoxliquid 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane, blend with calcium carbonate and silica Dimethylditertiarybutylperoxyhexaneactive 2,5-Dimethyl-2,5-bis(t-butylperoxy) hexane 2,5-BIS(T-BUTYLPEROXY)-2,5-DIMETHYLHEXAN E,CA45WT% W CACO3/SIO2 (LUPEROX 101XL) BIS(TERT-BUTYLPEROXY)-DIME-HEXANE CA 2& 2,5-BIS(TERT-BUTYLPEROXY)-2,5-DIMETHYL-H EXANE, TECH., 90% 2,5-DIMETHYL-2,5-BIS-(TERT-BUTYLPEROXY)-HEXAN 2,5-Di-(tert.-butylperoxy)-2,5-dimethylhexan 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane, blend with polypropylene and silica Luperox(R) 101PP20 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane (Luperox(R) 101) 2,5-Dimethyl-2,5-di(tert-butylperoxide)hexane Vulcanizing agent di-25 Luperox? 101PP20 DHBP 2,5-Dimethyl-2,5-Di(tert-butylperoxy)Hexane Luperox(R) 101XL45, 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexane, blend with calcium carbonate and silica 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane,DHBP 2,5-dimethyl-2,5-di-(tert-butylperoxy)hexane (more than 90%) 2,5-dimethyl-2,5-di-(tert-butylperoxy)hexane (more than 52% but not more than 90%,and diluent type A not less than 10%)