Hepes Buffer, Powder

1. Identification

Product Identifiers

Product Name

Hepes Buffer, Powder

Other Names

HEPES, CRYSTAL, BIOLOGICAL BUFFER

Product Number(s)

C018

CAS Number

7365-45-9

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

Warning

Hazard Statement(s)

• GHS07
• Acute Toxicity - Oral 4 H302 Harmful if swallowed.

Precautionary Statement(s)

• Wash thoroughly after handling.
• Do not eat, drink or smoke when using this product.
• If swallowed: Call a poison centre/doctor if you feel unwell.
• Rinse mouth.
• Dispose of contents/container in accordance with local/regional/national/international regulations.

Primary route(s) of entry

Human Health

Inhalation

Not available.

Ingestion

Call a poison centre/doctor if you feel unwell.

Eyes

Not available.

Skin

Not available.

Environment

3. Composition / Information on Ingredients

4. First Aid Measures

Ingestion

Call for a doctor immediately.

Inhalation

Supply fresh air; consult doctor in case of complaints.

Skin Contact

Generally the product does not irritate the skin.

Eye Contact

Rinse opened eye for several minutes under running water.

Other Information

Symptoms of poisoning may even occur after several hours; therefore medical observation for at least 48 hours after the accident.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

CO₂, powder or water spray. Fight larger fires with water spray or alcohol resistant foam.

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

Do not allow to enter sewers/ surface or ground water.

Methods and materials for containment and clean up

• Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust). Dispose contaminated material as waste according to item 13.
• Ensure adequate ventilation.

7. Handling and Storage

Precautions for safe handling

Ensure good ventilation/exhaustion at the workplace. Prevent formation of aerosols.

Conditions for safe storage

No special requirements.

8. Exposure Controls / Personal Protection

Exposure Standards

Engineering controls

• Keep away from foodstuffs, beverages and feed.
• Wash hands before breaks and at the end of work.

Personal protective equipment

Eye and face protection

Goggles recommended during refilling.

Skin protection

• 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.
• 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.

Respiratory protection

In case of brief exposure or low pollution use respiratory filter device. In case of intensive or longer exposure use self-contained respiratory protective device.

9. Physical and Chemical Properties

General information

Appearance

White powder

Odour

Odourless

pH

Not determined.

Vapour Pressure

Not determined.

Density

Not determined.

Boiling Point

Undetermined.

Melting Point

Undetermined.

Solubility

Not miscible or difficult to mix with water.

Specific Gravity of Density

Not determined

Flash Point

Not applicable.

Flammable (Explosive) Limits

Not determined

Ignition Temperature

Not determined.

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

No further relevant information available.

Incompatible materials

No further relevant information available.

11. Toxicological Information

Acute effects

No further relevant information available.

Eye contact

No irritant effect.

Skin contact

No irritant effect.

Ingestion

No further relevant information available.

Inhalation

No sensitising effects known.

Toxicity and irritation

• When used and handled according to specifications, the product does not have any harmful effects to our experience and the information provided to us.
• The substance is not subject to classification according to the latest version of the EU lists.

12. Ecological Information

Ecotoxicity

No further relevant information available.

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.

13. Disposal Considerations

General information

14. Transport Information

ADG label required

HAZCHEM

Not available.

UN Number

None.

Proper shipping name

Not regulated.

Transport hazard class

0

Packing group

None.

Environmental hazard

No information available.

Special precautions for users

Not applicable.

Additional information

No information available.

15. Regulatory Information

Poisons Schedule Number

Substance is not listed.

Other Information

No further relevant information available.

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.