butan-2-one
C4H8O
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Identification
- CAS Number
- 78-93-3
- EC Number
- 201-159-0
- UN Number
- 1193
- Index Number
- 606-002-00-3
- PubChem CID
- 6569
Physical-chemical properties
- Molecular Formula
- C4H8O
- Molar Mass
- 72.11 g/mol
- IUPAC Name
- butan-2-one
Chemical Identifiers
- InChI
- InChI=1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3
- InChI Key
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N
Overview
butan-2-one (CAS: 78-93-3) is a chemical compound widely used in industry. The molecular formula is C4H8O. The molar mass is 72.11 g/mol.
Safety & Classification
Flam. Liq. 2; STOT SE 3; Eye Irrit. 2
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
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
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:
Eye Contact
Measures if substance gets into the eyes
First Aid Actions
- +P305IF IN EYES:
- +P351Rinse cautiously with water for several minutes.
- +P338Remove contact lenses, if present and easy to do. Continue rinsing.
- +P313Get medical advice/attention.
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 Number | 1193 |
| ADR Class | 3 |
| Packing Group | II |
| Tunnel Code | D/E |
| Proper Shipping Name | Ethylmethylketon |
| Marine Pollutant | No |
Frequently Asked Questions
What is butan-2-one?
butan-2-one (CAS 78-93-3) is a chemical substance with the formula C4H8O used in various industrial applications.
What are the properties of butan-2-one?
butan-2-one has a molar mass of 72.11 g/mol. It is classified as Flam. Liq. 2; STOT SE 3; Eye Irrit. 2. See the technical data above for more details.
How to store butan-2-one safely?
butan-2-one 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 butan-2-one dangerous?
butan-2-one carries the signal word "Danger". 2 GHS pictograms apply. Always follow the safety instructions in the data sheet.
Where can I buy butan-2-one?
You can order butan-2-one (CAS 78-93-3) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.
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butan-2-one is a dangerous good. We support you with labeling, packaging, and transport documentation.