Industrial Peroxides

GENERAL NAME	BPO Flour bleaching grade
CHEMICAL NAME	Benzoyl Peroxide in organic filler
PEROXIDE CLASS	Diacyl Peroxide
STRUCTURE	(C6H5CO2 ) 2
MOLECULAR WEIGHT	242
CAS No.	94-36-0
PACKING	25/50 Kg fibre drum
TYPICAL PROPERITES
APPEARANCE	White Powder
ASSAY	50 % peroxide and remaining filler
ACTIVE OXYGEN	3.31% on dry basis
MOISTURE CONTENT	less than 2%
AUTO IGNITION TEMP.	above 80°C
MELTING POINT	103 - 104°C
SHELF LIFE	Six months @ 30°C
SOLUBILITY (Only Peroxide)	soluble in Benzene, MEK, Acetone, Dimethyl Phthalate; insoluble in water.

USES: Benzoyl peroxide 121 if a free flowing powder finds its application in food industry especially for flour bleaching, cheese bleaching etc.

GENERAL NAME	TBHP
CHEMICAL NAME	Tertiary Butyl Hydro Peroxide
PEROXIDE CLASS	Hydro Peroxide
STRUCTURE	(CH3)3-COOH
MOLECULAR WEIGHT	90
CAS No.	75-91-2
PACKING	15/40 Kg in HDPE Carboy
TYPICAL PROPERITES
APPEARANCE	clear, colourless liquid
ASSAY	70 – 75%
ACTIVE OXYGEN	12.45 – 15.11%
SPECIFIC GRAVITY (@25°C)	0.896 – 0.900
SADT	88°C
MELTING POINT	–25°C
FLASH POINT	42°C
SHELF LIFE	Six months @ 25°C
SOLUBILITY	soluble in most organic solvents ; moderately soluble in water.

USES: TBHP is an oxidizing agent and is used as a source of free radicals above 130°C. It is used in bulk and emulsion polymerization, in organic synthesis and as a bleaching agent.

CAS No	: 1338-23-4
APPEARANCE	Clear colourless liquid
ASSAY	50.00%
ACTIVE OXYGEN	9.00%
SPECIFIC GRAVITY	1.168
SADT	70°C
PACKING	30 / 50 Kg HDPE Carbouy

USES: As a catalyst for room temperature curing of unsaturated polyester resin, in combination with cobalt accelerators. This catalyst gives much faster gel times required for GRP pipe manufacturing.

GENERAL NAME	DTBP
CHEMICAL NAME	Di-Tertiary Butyl Peroxide
PEROXIDE CLASS	Di Alkyl Peroxide
STRUCTURE	(CH3)3-COOC-(CH3)3
MOLECULAR WEIGHT	146.22
CAS No	110-05-4
PACKING	35 Kg in HDPE Carboy
TYPICAL PROPERITE
APPEARANCE	clear, colourless liquid
ASSAY (BY WEIGHT)	Min. 98%
ACTIVE OXYGEN	Min. 10.75%
SPECIFIC GRAVITY (@25°C)	0.785 - 0.796
SADT	110°C
MELTING/FREEZING POINT	Below –40°C
SHELF LIFE	Six months @ 25°C
SOLUBILITY	soluble in most organic solvents ; insoluble in water.

USES: DTBP is one of the most stable organic peroxides. It is used as a polymerization initiator at temperature above 100°C. It is used for crosslinking polyethylene, EVA and vulcanization of rubber.

GENERAL NAME	BPO Construction grade
CHEMICAL NAME	Benzoyl Peroxide in inorganic filler
PEROXIDE CLASS	Diacyl Peroxide
STRUCTURE	(C6H5CO2 ) 2
MOLECULAR WEIGHT	242
CAS No	94-36-0
PACKING	25/50 Kg fibre drum
TYPICAL PROPERITES
APPEARANCE	Off white fine powder
ASSAY	X % peroxide and remaining filler
ACTIVE OXYGEN	1.3% on dry basis
MOISTURE CONTENT	less than 2%
AUTO IGNITION TEMP.	80°C
MELTING POINT	103 - 104°C
SHELF LIFE	Six months @ 30°C
SOLUBILITY (Only Peroxide)	soluble in Benzene, MEK, Acetone, Dimethyl Phthalate; insoluble in water.

USES: Benzoyl peroxide 121 if a free flowing powder finds its application in construction industry especially for curing resin systems used for grouting.

GENERAL NAME	BPO
CHEMICAL NAME	Benzoyl Peroxide
PEROXIDE CLASS	Diacyl Peroxide
STRUCTURE	(C6H5CO2 ) 2
MOLECULAR WEIGHT	242
CAS No.	94-36-0
PACKING	25/50 Kg fibre drum
TYPICAL PROPERITES
APPEARANCE	Granular
ASSAY	Min. 98% on dry basis
ACTIVE OXYGEN	6.48% on dry basis
MOISTURE CONTENT	23-25% w/w
AUTO IGNITION TEMP.	80°C
MELTING POINT	103 - 104°C
SHELF LIFE	Six months @ 30°C
SOLUBILITY	Soluble in Benzene, MEK, Acetone, Dimethyl Phthalate; insoluble in water.

USES: Benzoyl peroxide is a good source of free active radicals hence used for polymerization of acrylate, vinyl acetate and styrene monomers. In pharmaceuticals including skin diseases and acne cream Used as a bleaching agent in the food industry and also in construction industry.

GENERAL NAME	BP PASTE
CHEMICAL NAME	Benzoyl Peroxide Paste
PEROXIDE CLASS	Diacyl Peroxide
STRUCTURE	(C6H5CO2 ) 2
MOLECULAR WEIGHT	242
CAS No.	94-36-0
PACKING	30/50 Kg HDPE drum
TYPICAL PROPERITES
APPEARANCE	White thixotropic paste
ASSAY	Min. 50% w/w
ACTIVE OXYGEN	Min. 3.31%
SPECIFIC GRAVITY (@25°C)	1.15
SADT	105°C
SHELF LIFE	Six months @ 25°C
SOLUBILITY	soluble in ethyl acetate, Dimethyl Phthalate; insoluble in water.

USES: It’s a white thixotropic paste used as an initiator for curing of unsaturated polyester resins. Main application is curing of putties at ambient temperature in combination with amine accelerators.

CAS No	37187-22-7
APPEARANCE	Clear colourless liquid
ASSAY	33-36.5%
SPECIFIC GRAVITY	1.024
ACTIVE OXYGEN	4-4.2%
PACKING	25 Kg HDPE Carbouy

USES: GRP pipes, LRTM

GENERAL NAME	: TBPB
CHEMICAL NAME	: Tertiary Butyl Per benzoate
PEROXIDE CLASS	: Peroxy Esters
STRUCTURE	: (CH3)3-COOCO-C6H5
MOLECULAR WEIGHT	: 194
CAS No.	: 614-45-9
PACKING	: 20 / 50 Kg HDPE Carbouy
TYPICAL PROPERITES
APPEARANCE	: light yellowish liquid
ASSAY (BY WEIGHT)	: Min. 98%
ACTIVE OXYGEN	: Min. 8.1%
SPECIFIC GRAVITY (@25°C)	: 1.04
SADT	: 63°C
MELTING/FREEZING POINT	: 8°C
FLASH POINT	: 80°C
SHELF LIFE	: Six months @ 25°C
SOLUBILITY	: soluble in most organic solvents e.g. methanol, styrene, Ethyl acetate. ; insoluble in water.

USES: It is a clear, yellowish liquid containing minimum 98% TBPB. Also available as 50% solution in a Phthalate plasticizer. Used as a catalyst in hot press moulding of polyester resin in SMC & DMC.

Technical data sheet

Hardner 1011

General name : hardner 1011

Chemical name : t-butyl peroxy-2-ethyl hexanoate

Peroxide class : peroxy esters

Structure : ch₃-(ch₂)₃ ch-(c₂h₅)c-o-o-o-c-(ch₃)₃ molecular weight : 216

Cas no. : 3006-82-4

Packing : 9 kg hdpe can 

Typical properties

Appearance : clear colourless liquid

Assay : > 97%

Active oxygen : > 7. 17%

Specific gravity(@ 20°c) : 0. 9

Sadt : 35°c

Melting/freezing point : solidifies at of below -30°c

Flash point : above sadt value

Shelf life : for maximum quality store below 10°c

Solubility : miscible in aliphatic solvents; immiscible in water.

Storage : for safety store below 20°c