Di-Tert-Butyl Peroxide or DTBP or Tert-Butyl peroxide Manufacturers, with SDS GHS MSDS Sheet

Supplier, Manufacturer, Exporter of Di-Tert-Butyl Peroxide or DTBP, Muby Chemicals of Mubychem Group, established in 1976, is the original manufacturers of Specialty Chemicals, Pharmaceutical Excipient, Fragrance Food & Flavor chemicals, Reagent Grade Chemicals, Shale Gas Fracturing Chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India and world wide contacts and toll manufacturers. We are exporting globally to countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, Italy, Portugal, Bangladesh, etc.

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Di-Tert-Butyl Peroxide or DTBP or Tert-Butyl peroxide: CAS Number: 110-05-4, EINECS EC Number: 203-733-6, Molecular Formula: (CH3)3-COOC-(CH3)3 or C8H18O2, Molecular Weight: 146.23, HS Code ---**

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SDS MSDS Sheet of Di-Tert-Butyl Peroxide or DTBP or Tert-Butyl peroxide Manufacturers

Di-Tert-Butyl Peroxide
DTBP or Tert-Butyl peroxide Pure Suppliers
Di-Tert-Butyl Peroxide or DTBP

Di-tert-butyl peroxide or DTBP or Tert-Butyl peroxide is an organic compound consisting of a peroxide group bonded to two tert-butyl groups. It is one of the most stable organic peroxides. Di-Tert-Butyl Peroxide or DTBP is used to as a catalyst of polymerization for olefin copolymers and cross linking agent for unsaturated polyesters. It is also used as a fuel additive and chemical intermediate. It is a strong free radical source containing more than 10.9% of active oxygen. It decomposes rapidly, causing fire and explosion hazard, on heating and under influence of light. Highly flammable. Refrigerate.

Specifications of Di-Tert-Butyl Peroxide or DTBP or Tert-Butyl peroxide:
Assay: 98.5% minimum.
Molecular Formula: (CH3)3-COOC-(CH3)3
Molecular Weight: 146.23
Vapor Density: 5.03
Melting Point: -40C literature
Boiling Point: 109C to 111C literature
Flash Point: 6C Lowest reported.
SADT: 110C literature
Appearance: Clear, colorless liquid
Relative Density: 0.8
Active Oxygen: 10.75% min
Solubility: Soluble in most organic Solvents; insoluble in water.
Shelf Life: Six months @ 25C.

We manufacture and supply several types of peroxides as under:

Acetyl Acetone Peroxide

Barium Peroxide

Benzoyl Peroxide

Calcium Peroxide

Carbamide Peroxide

2,5 Di Tertiary Butyl Hydroquinone

Di-Tert-Butyl Peroxide (DTBP)

Hydrogen Peroxide

Magnesium Peroxide

Methyl Ethyl Ketone Peroxide

Tert-Butyl Hydroperoxide (TBHP)

Tert-Butyl Per Benzonate (TBPB)

Sodium Peroxide

Strontium Peroxide

Zinc Peroxide.


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Last 23 April, 2024

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Di-Tert-Butyl Peroxide or DTBP SDS, Safety Data Sheet
MSDS Sheet, Material Safety Data Sheet

1. Product Identification

Product Name & Other Names: Di-Tert-Butyl Peroxide or DTBP or Tert-Butyl peroxide
CAS No.: 110-05-4
EINECS EC Number: 203-733-6
Molecular Formula: (CH3)3-COOC-(CH3)3 or C8H18O2
Molecular Weight: 146.23
Relevant identified uses of the substance or mixture and uses advised against: Industrial Manufacturing.
Suppliers: As per letterhead.

2. Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008

Flammable liquids Category 2, H225
Organic peroxides (Type E), H242
Germ cell mutagenicity Category 2, H341
Chronic aquatic toxicity Category 3, H412

Labeling according to GHS & Regulation (EC) No 1272/2008

GHS Label Elements

GHS Label Elements
Health Hazard

Signal Words: Danger

Hazard statements:
H225 Highly flammable liquid and vapor.
H242 Heating may cause a fire.
H341 Suspected of causing genetic defects.
H412 Harmful to aquatic life with long lasting effects.
Precautionary statements:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P210: Keep away from heat/sparks/open flames/hot surfaces – No smoking.
P220: Keep/Store away from clothing/ combustible materials.
P233: Keep container tightly closed.
P240: Ground/bond container and receiving equipment.
P241: Use explosion-proof electrical/ventilating/light/…/equipment.
P242: Use only non-sparking tools.
P243: Take precautionary measures against static discharge.
P270: Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P314: Get Medical advice/attention if you feel unwell.
P302+P352: IF ON SKIN: Wash with soap and water.
P305+ P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308+313: IF exposed or concerned: Get medical advice/attention.
P370+378: In case of fire: Use Water spray, Carbon dioxide (CO2), Foam, Dry powder and Sand for extinction.
P410: Protect from sunlight.
P411 + P235: Store at temperatures not exceeding 30°C/ 86 °F. Keep cool.

Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Hazard Symbols:
O = Oxidizing
F = Highly flammable
Risk Phrases:
R7 May cause fire.
R11 Highly flammable.
R46 May cause inheritable genetic damage
R52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

3. Composition/Information on Ingredients

Product Name & Other Names: Di-Tert-Butyl Peroxide or DTBP or Tert-Butyl peroxide
CAS No.: 110-05-4
EINECS EC Number: 203-733-6

4. First Aid Measures

Always seek medical attention after first aid measures are provided.

Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention immediately.
Ingestion: If swallowed, DO NOT INDUCE VOMITING. Give large quantities of water. Never give anything by mouth to an unconscious person. Get medical attention immediately.
Skin Contact: Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical attention immediately. Wash clothing before reuse. Thoroughly clean shoes before reuse.
Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately.
Note to physicians: Treat symptomatically.

5. Fire Fighting Measures

Flammability of the Product: Flammable.
Auto-Ignition Temperature: SADT: 110C literature.
Flash Points: 6C lowest reported.
Products of Combustion: Carbon dioxide, Carbon monoxide, fumes.
Explosion: Explosive in presence of heat.
Fire Extinguishing Media: Use Water spray, Carbon dioxide (CO2), Foam, Dry powder and Sand for extinction. Flammable liquid and vapor. Vapors are heavier than air and may travel to a source of ignition and flash back. Vapors can spread along the ground and collect in low or confined areas. Never direct a water jet in the container to prevent any splashing of the product which could cause spreading of the fire. Cool containing vessels with water jet in order to prevent pressure build-up, auto-ignition or explosion.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes.

6. Accidental Release Measures

Personal precautions, protective equipment, environmental  precautions and emergency procedures: Ventilate area of leak or spill. Keep unnecessary and unprotected people away from area of spill. Wear appropriate personal protective equipment. Avoid release to the environment. Avoid breathing vapors, mist, or gas. Beware of vapors accumulating to form explosive concentrations. Vapors can accumulate in low areas. Do not let product enter drains.
Methods and materials used for containment Cleanup procedures and Storage: Pick up or absorb and place in a suitable container for reclamation or disposal, using a method that does not generate dust or mist. Prevent further leakage or spillage if safe to do so.

7. Handling and Storage

Precautions for safe handling: Avoid contact with skin and eyes. Avoid inhalation of vapor or mist. Keep away from sources of ignition - No smoking. Take measures to prevent the buildup of electrostatic charge. Store in cool place.
Conditions for safe storage, including any incompatibilities: Keep air contact to a minimum. Store in cold, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep in a well closed container stored under cold conditions, 2C to 8C. Protect it against physical damage. Store protected from heat, sparks and ignition sources and incompatible materials. Containers may be hazardous when empty since they retain product residues; observe all warnings and precautions listed for the product. Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Contact with incompatible substances can cause decomposition. Do not store with incompatible materials like strong oxidizing agents, strong reducing agents, powdered metals, strong bases, heavy metals, and heavy metal salts.

8. Exposure Controls/Personal Protection

Airborne Exposure Limits: Not listed. Keep it low. Use exhaust ventilation.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures below the Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved): If the exposure limit is exceeded, a full face piece respirator with dust/mist filter may be worn up to 50 times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest. For emergencies or instances where the exposure levels are not known, use a full-face piece positive-pressure, air-supplied respirator. WARNING: Air purifying respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection: Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.

9. Physical and Chemical Properties

Appearance: Clear, colorless liquid
Odor: Not available.
Odor threshold: Not available.
pH: Not available.
Relative density: 0.8
Melting point/freezing point: -40C literature.
Initial boiling point and boiling range: 09C to 111C literature.
Flash point: 6C Lowest reported.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: 5.03.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility(ies): Not available.
Viscosity: Not available.
Molecular Formula: (CH3)3-COOC-(CH3)3 or C8H18O2
Molecular Weight: 146.23

10. Stability and Reactivity

Stability: It is stable under ordinary conditions of use and storage.
Hazardous Decomposition Products: When heated to decomposition it emits toxic fumes and carbon oxides.
Hazardous Polymerization: Will not occur.
Incompatibilities: Strong reducing agents, Powdered metals, Strong bases, Heavy metals and
Heavy metal salts.
Conditions to Avoid: Incompatibles. Heat, Light, Sparks, Flame. May readily catch fire after brief contact with a source of ignition.

11. Toxicological Information

LD50 Oral - Rat - >25000 mg/kg
LC50 Inhalation - Rat - 4 h - 24929 mg/l
LD50 Dermal - Rat - > 2.000 mg/kg
Carcinogenicity: Not listed by ACGIH, IARC, NTP, or CA Prop 65.
Epidemiology: No information found
Teratogenicity: No information found
Reproductive Effects: No information found
Mutagenicity: Possible. Suspected of causing genetic defects.
Neurotoxicity: No information found.

12. Ecological Information

Toxicity to fish: LC50 - Poecilia reticulata (guppy) - > 1.000 mg/l - 96 h
Toxicity to daphnia and other aquatic invertebrates: EC50 (Daphnia magna (Water flea)): 73.1 mg/l; Exposure time: 48 h
Persistence and Degradability: No information available.
Bioaccumulation/ Accumulation: No information available.
Mobility: No information available.
Results of PBT and vPvB assessment: No data available for assessment.
Harmful to aquatic life with long lasting effects.

13. Disposal Considerations

Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state, and local requirements.

14. Transport Information

Hazard Class: 5.2; Packing Group: NA
UN/NA: UN 3107
Hazard Class: 5.2; Packing Group: NA

15. Regulatory Information

SARA Section 302
: None of the chemicals in this product have a TPQ.
Section 313: No chemicals are reportable under Section 313.
California No Significant Risk Level: None of the chemicals in this product are listed.

Section 16 - Additional Information

European Labeling in Accordance with EC Directives:
H225 Highly flammable liquid and vapor.
H242 Heating may cause a fire.
H341 Suspected of causing genetic defects.
H412 Harmful to aquatic life with long lasting effects.

Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Hazard Symbols:
O = Oxidizing
F = Highly flammable
Risk Phrases:
R7 May cause fire.
R11 Highly flammable.
R46 May cause inheritable genetic damage
R52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

Our company provides this MSDS sheet in good faith but makes no representation as to its comprehensiveness or accuracy. This SDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. The above information has been compiled from various sources and has the possibility of discrepancy and being out-dated information. Individuals receiving the information must exercise their independent judgment and do further search in determining its appropriateness for a particular purpose. In no case shall our company be liable to loss or damages by the product user.