2-Methyl Butane, ACS Grade

1. Identification

Product Identifiers

Product Name

2-Methyl Butane, ACS Grade

Other Names

Not available.

Product Number(s)

18550, EMS18550

CAS Number

78-78-4

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)

• Extremely flammable liquid and vapour.
• May cause drowsiness or dizziness.
• May be fatal if swallowed and enters airways.

Precautionary Statement(s)

• Keep away from heat/sparks/open flames/hot surfaces. No smoking.
• Ground/bond container and receiving equipment.
• Use explosion-proof electrical/ventilating/lighting equipment.
• Use only non-sparking tools.
• Take precautionary measures against static discharge.
• Avoid breathing dust/fume/gas/mist/vapours/spray.
• Use only outdoors or in a well-ventilated area.
• Wear protective gloves/protective clothing/eye protection/face protection.

Primary route(s) of entry

Human Health

Inhalation

Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.

Ingestion

Immediately call a POISON CENTER/doctor. Do NOT induce vomiting.

Eyes

Not available.

Skin

(or hair) Remove/take off immediately all contaminated clothing. Rinse skin with water/shower. Repeated exposure may cause dryness or cracking.

Environment

3. Composition / Information on Ingredients

No information provided.

4. First Aid Measures

Ingestion

If symptoms persist consult doctor.

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

No further relevant information available.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

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

HAZCHEM

For safety reasons unsuitable extinguishing agents: Water with full jet.

Special protective equipment and precautions for fire fighters

6. Accidental Release Measures

Personal precautions, protective equipment and emergency procedures

Wear protective equipment. Keep unprotected persons away.

Environmental precautions

• Do not allow product to reach sewage system or any water course.
• 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

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

7. Handling and Storage

Precautions for safe handling

• Open and handle receptacle with care.
• Keep ignition sources away - Do not smoke.
• Protect against electrostatic charges.

Conditions for safe storage

• Store in a cool location.
• Keep container tightly sealed.
• Do not seal receptacle gas tight.
• Store in cool, dry conditions in well sealed receptacles.
• Protect from heat and direct sunlight.

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

Tightly sealed goggles.

Skin protection

Wear protective gloves. The glove material has to be impermeable and resistant to the product/the substance/the preparation. Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation. The exact break through time has to be found out by the manufacturer of the protective gloves and has to be observed.

Body protection

Wear protective clothing.

Respiratory protection

Not required.

9. Physical and Chemical Properties

General information

Appearance

Colourless fluid

Odour

Characteristic

pH

Not determined

Vapour Pressure

793hPa

Density

0.62g/cm³

Boiling Point

27.9°C

Melting Point

-159.9°C

Solubility

Not miscible or difficult to mix.

Specific Gravity of Density

Not available.

Flash Point

-51°C

Flammable (Explosive) Limits

• Lower: 1.4 Vol%
• Upper: 7.6 Vol%

Ignition Temperature

420°C

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

Not available.

Eye contact

No irritating effect.

Skin contact

No irritant effect.

Ingestion

Not available.

Inhalation

No sensitising effects known.

Toxicity and irritation

Not available.

12. Ecological Information

Ecotoxicity

Toxic for fish

Persistence and degradability

No further relevant information available.

Bioaccumulative potential

No further relevant information available.

Other adverse effects

• Water hazard class 2: hazardous for water.
• Do not allow product to reach ground water, water course or sewage system.
• Danger to drinking water if even small quantities leak into the ground.
• Also poisonous for fish and plankton in water bodies.
• Toxic for aquatic organisms.

13. Disposal Considerations

General information

14. Transport Information

ADG label required

HAZCHEM

For safety reasons unsuitable extinguishing agents: Water with full jet.

UN Number

UN1265

Proper shipping name

1265 PENTANES, ENVIRONMENTALLY HAZARDOUS

Transport hazard class

Class 3 Flammable liquids.

Packing group

I

Environmental hazard

• Environmentally hazardous substance, liquid
• Symbol (fish and tree)

Special precautions for users

• Warning: Flammable liquids.
• Hazard identification number (Kemler code): 33
• EMS Number: 3-07
• Stowage category: E

Additional information

• Limited quantities (LQ) 0
• Excepted quantities (EQ) Code: E3
• Maximum net quantity per inner packaging: 30mL
• Maximum net quantity per outer packaging: 300ml

15. Regulatory Information

Poisons Schedule Number

Substance is not listed.

Other Information

A Chemical Safety Assessment has not been carried out.

16. Other Information

SDS preparation date

14 February 2025

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

Safety Data Sheet: chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.emsdiasum.com/docs/technical/msds/18550.pdf 15/03/2022