2-methylbutane

C5H12

CAS78-78-4
Flammable
Health Hazard
Harmful/Irritant
Environmental Hazard
Danger

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Identification

CAS Number
78-78-4
EC Number
201-142-8
UN Number
1265
Index Number
601-085-00-2
PubChem CID
6556

Physical-chemical properties

Molecular Formula
C5H12
Molar Mass
72.15 g/mol
IUPAC Name
2-methylbutane

Chemical Identifiers

InChI
InChI=1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3
InChI Key
QWTDNUCVQCZILF-UHFFFAOYSA-N

Overview

2-methylbutane (CAS: 78-78-4) is a chemical compound widely used in industry. The molecular formula is C5H12. The molar mass is 72.15 g/mol.

Safety & Classification

Danger
Classification:

Flam. Liq. 1; Asp. Tox. 1; STOT SE 3; Aquatic Chronic 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H224

Extremely flammable liquid and vapour.

H304

May be fatal if swallowed and enters airways.

H336

May cause drowsiness or dizziness.

H411

Toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Irritant

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Ingestion

Toxic

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number1265
ADR Class3
Packing GroupI
Tunnel CodeD/E
Proper Shipping NameIsopentan, flüssig
Marine PollutantNo

Frequently Asked Questions

What is 2-methylbutane?

2-methylbutane (CAS 78-78-4) is a chemical substance with the formula C5H12 used in various industrial applications.

What are the properties of 2-methylbutane?

2-methylbutane has a molar mass of 72.15 g/mol. It is classified as Flam. Liq. 1; Asp. Tox. 1; STOT SE 3; Aquatic Chronic 2. See the technical data above for more details.

How to store 2-methylbutane safely?

2-methylbutane should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is 2-methylbutane dangerous?

2-methylbutane carries the signal word "Danger". 4 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy 2-methylbutane?

You can order 2-methylbutane (CAS 78-78-4) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.

Services for 2-methylbutane

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