JB-4®/JB-4 Plus® PLUS Embedding Kit - Catalyst

1. Identification

Product Identifiers

Product Name

JB-4/JB-4 Plus Embedding Kit - Catalyst

Other Names

Benzoyl peroxide

Product Number(s)

C613 & C618.

CAS Number

94-36-0

Recommended use of the chemical and restriction on use

Company Details

Emergency Contact Details

2. Hazards Identification

Classification of the substance or mixture

Label Elements

Signal Words

None

Hazard Statement(s)

• dibenzoyl peroxide
• Unstable explosives.
• Heating may cause an explosion.
• Causes skin irritation.
• Causes serious eye irritation.
• May cause an allergic skin reaction.
• May damage fertility or the unborn child.

Precautionary Statement(s)

• Obtain special instructions before use.
• Do not handle until all safety precautions have been read and understood.
• Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• Keep/Store away from clothing/combustible materials.
• Keep only in original container.
• Avoid breathing dust/fume/gas/mist/vapours/spray.
• Wash thoroughly after handling.
• Contaminated work clothing should not be allowed out of the workplace.
• Wear protective gloves / protective clothing/eye protection / face protection.
• Wear personal protective equipment/face protection.

Primary route(s) of entry

Human Health

Inhalation

Not available.

Ingestion

Not available.

Eyes

• Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
• Continue rinsing.
• Specific treatment (see on this label).
• If eye irritation persists: Get medical advice/attention.

Skin

• Wash with plenty of water.
• Take off contaminated clothing and wash it before reuse.
• If skin irritation occurs: Get medical advice/attention.

Environment

3. Composition / Information on Ingredients

4. First Aid Measures

Ingestion

If symptoms persist consult doctor.

Inhalation

• Supply fresh air and to be sure call for a doctor.
• In case of unconsciousness place patient stably in side position for transportation.

Skin Contact

Immediately wash with water and soap and rinse thoroughly.

Eye Contact

Rinse opened eye for several minutes under running water. If symptoms persist, consult a doctor.

Other Information

No further relevant information available.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

Use fire fighting measures that suit the environment.

HAZCHEM

Not available.

Special protective equipment and precautions for fire fighters

6. Accidental Release Measures

Personal precautions, protective equipment and emergency procedures

Not required.

Environmental precautions

• Inform respective authorities in case of seepage into water course or sewage system.
• Do not allow to enter sewers/ surface or ground water.

Methods and materials for containment and clean up

• Pick up mechanically.
• Dispose contaminated material as waste according to item 13.

7. Handling and Storage

Precautions for safe handling

• Open and handle receptacle with care.
• Protect from heat.
• Keep respiratory protective device available.

Conditions for safe storage

• Store in a cool location. Keep container tightly sealed.
• Stoer in cool, dry conditions in well sealed receptacles. Protect form heat and direct sunlight.

8. Exposure Controls / Personal Protection

Exposure Standards

Engineering controls

• Store at temperatures not exceeding 4°C. Store away from other materials. Store in a well-ventilated place. Keep cool.
• Avoid contact with the eyes and skin.

Personal protective equipment

Eye and face protection

Tightly sealed goggles.

Skin protection

• Protective gloves.
• The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
• Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the chemical mixture.
• Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation.
• Material of gloves.
• The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and varies from manufacturer to manufacturer. As the product is a preparation of several substances, the resistance of the glove material can not be calculated in advance and has therefore to be checked prior to the application.
• Penetration time of glove material.
• The exact break through time has to be found out by the manufacturer of the protective gloves and has to be observed.

Body protection

• Keep away from foodstuffs, beverages and feed.
• Immediately remove all soiled and contaminated clothing.
• Wash hands before breaks and at the end of work.
• Avoid contact with the eyes and skin.
• Store protective clothing separately.

Respiratory protection

Not required.

9. Physical and Chemical Properties

General information

Appearance

White solid

Odour

Characteristic

pH

Mixture is non-polar/aprotic

Vapour Pressure

at 20 °C: 1 hPa

Density

at 20 °C (68 °F): 1.24 g/cm³ (10.3478 lbs/gal)

Boiling Point

400 °C (752 °F)

Melting Point

54 °C (129.2 °F)

Solubility

Insoluble in water.

Specific Gravity of Density

Not applicable.

Flash Point

Not applicable.

Flammable (Explosive) Limits

Not determined.

Ignition Temperature

• Heating may cause an explosion.
• Explosive with or without contact with air.

Formula

Not available.

10. Stability and Reactivity

Reactivity

No further relevant information available.

Chemical stability

No decomposition if used according to specifications.

Possibility of hazardous reactions

No dangerous reactions known.

Conditions to avoid

Heat.

Incompatible materials

Reducing agents.

11. Toxicological Information

Acute effects

No further relevant information available.

Eye contact

Irritating effect.

Skin contact

Irritant to skin and mucous membranes. Sensitisation possible through skin contact.

Ingestion

No further relevant information available.

Inhalation

No sensitising effects known.

Toxicity and irritation

• The product shows the following dangers according to the calculation method of the General EU Classification
• Guidelines for Preparations as issued in the latest version:
• Irritant.

12. Ecological Information

Ecotoxicity

Harmful to fish.

Persistence and degradability

No further relevant information available.

Bioaccumulative potential

No further relevant information available.

Other adverse effects

• Water hazard class 1 (German Regulation) (Self-assessment): slightly hazardous for water.
• Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system.
• Harmful to aquatic organisms.

13. Disposal Considerations

General information

14. Transport Information

ADG label required

HAZCHEM

Not available.

UN Number

UN3106

Proper shipping name

3106 ORGANIC PEROXIDE TYPE D, SOLID

Transport hazard class

5.2 Organic peroxides.

Packing group

II

Environmental hazard

Not applicable.

Special precautions for users

• Special precautions for user Warning: Organic peroxides.
• Danger code (Kemler): -
• EMS Number: F-J,S-R
• Stowage Category D
• Stowage Code SW1 Protected from sources of heat.
• Segregation Code SG35 Stow "separated from" acids.
• SG36 Stow "separated from" alkalis

Additional information

• ADG
• Limited quantities (LQ) 500 g
• Excepted quantities (EQ) Code: E0
• Not permitted as Excepted Quantity
• Transport category 2
• Tunnel restriction code D

15. Regulatory Information

Poisons Schedule Number

94-36-0 dibenzoyl peroxide S2, S4, S5

Other Information

• GHS01 GHS07
• Hazard statements.
• Heating may cause an explosion.
• Causes skin irritation.
• Causes serious eye irritation.
• Precautionary statements
• Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• Keep/Store away from clothing/combustible materials.
• Wear protective gloves / eye protection / face protection.
• Keep only in original container.
• Wash thoroughly after handling.
• IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
• Continue rinsing.
• Specific treatment (see on this label).
• In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion.
• If skin irritation occurs: Get medical advice/attention.
• If eye irritation persists: Get medical advice/attention.
• In case of fire: Use for extinction: CO₂, powder or water spray.
• IF ON SKIN: Wash with plenty of water.
• Take off contaminated clothing and wash it before reuse.
• Store at temperatures not exceeding 4°C.
• Store away from other materials.
• Store in a well-ventilated place. Keep cool.
• Dispose of contents/container in accordance with local/regional/national/international regulations.

16. Other Information

SDS preparation date

24 February 2026

Comments

This information is based on our present knowledge. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.

References

EMS SDS JB-4 CATALYST. https://www.emsdiasum.com/docs/technical/msds/14270-06.pdf 30/03/2022