Identification
Product identifiers, regulatory numbers, and supplier information
Product Information
- Product Name
- 2,3-Butanedione
- Product Code
- B85307
Regulatory Identifiers
- CAS Number
- 431-03-8 Check regulations →
- REACH No.
- A registration number is not available for this substance as the substance or its uses are exempted from registration, the annual tonnage does not require a registration or the registration is envisaged for a later registration deadline.
Identified Uses
Laboratory chemicals, Manufacture of substances
Manufacturers & Suppliers
Merck Life Science BV/SRL
manufacturer
Brusselsesteenweg 288, B-3090 OVERIJSE
+32 (0)3 899-1301
Emergency Contacts
CHEMTREC
+(32) 28 083237
Anti-poison centre
070 245245
Hazard Identification
GHS classification, signal word, pictograms, and hazard statements
Hazard Classifications
GHS Pictograms
GHS02
GHS05
GHS06
GHS08
Hazard Statements
Precautionary Statements
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Composition / Information on Ingredients
Chemical components, concentration ranges, and hazardous substance identification
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| butanedione EC: 207-069-8 | 431-03-8 | 100% | Yes |
First Aid Measures
Emergency procedures for chemical exposure incidents
Firefighting Measures
Extinguishing media, specific hazards, and firefighter protection
Carbon dioxide (CO2) Foam Dry powder
For this substance/mixture no limitations of extinguishing agents are given.
Carbon oxides. Combustible.
Accidental Release Measures
Spill cleanup procedures, containment, and environmental protection
No data available
No data available
Related Products
Similar products with comparable safety profiles
Handling and Storage
Safe handling precautions, storage conditions, and workplace requirements
Use with local exhaust ventilation. Avoid contact with skin and eyes. Avoid inhalation of vapor or mist. For precautions see section 2.2.
No data available
Avoid contact with skin and eyes.
Exposure Controls / PPE
Occupational exposure limits, engineering controls, and protective equipment
This compound should be handled in a closed system. All operations should avoid accidental contact.
Splash contact: Material: butyl-rubber, Minimum layer thickness: 0,7 mm, Break through time: 240 min, Material tested: Butoject® (KCL 898). When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell, Internet: www.kcl.de).
Recommended Filter type: Filter A (acc. to DIN 3181) for vapours of organic compounds. The entrepreneur has to ensure that maintenance, cleaning and testing of respiratory protective devices are carried out according to the instructions of the producer. These measures have to be properly documented.
Long sleeved clothing, Preventive skin protection
Prevent product from entering drains.
Physical and Chemical Properties
Appearance, physical state, melting point, boiling point, and material characteristics
Stability and Reactivity
Chemical stability, hazardous reactions, and incompatible materials
No data available
No data available
Violent reactions possible with: alkalines, Acids, various plastics. Risk of ignition or formation of inflammable gases or vapours with: strong oxidising agents
No data available
No data available
In the event of fire: see section 5
Ecological Information
Environmental toxicity, biodegradation, and bioaccumulation data
The data for this section has not been processed yet.
Disposal Considerations
Waste treatment methods, disposal recommendations, and waste codes
The data for this section has not been processed yet.
Transport Information
UN numbers, shipping names, transport classes, and regulatory requirements
- UN Number
- 2346
- Shipping Name
- BUTANEDIONE
- Transport Class
- 3
- Packing Group
- II
Regulatory Information
Chemical regulations, safety assessments, and compliance status
The data for this section has not been processed yet.
Frequently Asked Questions
Common questions about safety, handling, and properties
What is the hazard signal word for 2,3-Butanedione?
The signal word is danger.
What is the physical form of 2,3-Butanedione?
2,3-Butanedione is a clear, liquid with dark yellow color. It has stench. odor.
What is 2,3-Butanedione used for?
Laboratory chemicals, Manufacture of substances
What are the hazard statements for 2,3-Butanedione?
This substance has 7 hazard statements:
- H225: Highly flammable liquid and vapor.
- H302: Harmful if swallowed.
- H315: Causes skin irritation.
- H317: May cause an allergic skin reaction.
- H318: Causes serious eye damage.
- H331: Toxic if inhaled.
- H373: May cause damage to organs (Respiratory system) through prolonged or repeated exposure if inhaled.
What is the melting point of 2,3-Butanedione?
The melting point is 88 °C .