2-Butene | CAS No. 624-64-6

Q: What regulatory guidelines apply to 2-Butene (CAS: 624-64-6)?

2-Butene (CAS: 624-64-6) is classified under GHS as a flammable gas. It is subject to regulation under REACH in the European Union, which requires manufacturers and importers to register substances if they are produced or imported in quantities of 1 tonne or more per year. In the United States, the EPA and FDA also regulate its use in consumer products and food additives. Ensuring compliance with these regulations is crucial for safe handling and distribution.

Q: Are there alternatives to 2-Butene (CAS: 624-64-6) in synthesis?

Yes, there are alternatives to 2-Butene (CAS: 624-64-6) in synthesis. Isobutylene is a common isomer that can be used as a chemical precursor. Ethyl acetate and other esters can also be viable alternatives depending on the specific reaction conditions. These alternatives offer similar functional groups and can be used in a variety of synthetic routes.

Q: What is the market or research trend for 2-Butene (CAS: 624-64-6)?

The market for 2-Butene (CAS: 624-64-6) is driven by its use in the polymer industry, where it is a monomer for the production of polybutene. Recent research trends focus on developing new applications in biomedical materials and as a solvent in organic synthesis. The trend towards sustainability is also influencing the exploration of biodegradable alternatives, which could affect the future demand for 2-Butene.

Q: How should waste containing 2-Butene (CAS: 624-64-6) be handled?

Waste containing 2-Butene (CAS: 624-64-6) should be collected in an appropriate container and disposed of through a licensed hazardous waste disposal company. It should be stored away from heat and sources of ignition. Before disposal, ensure that it is adequately neutralized or treated to reduce the risk of flammability. Follow all local and national regulations for the handling and disposal of hazardous chemicals to protect the environment and public safety.

2-Butene

Basic Information

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CAS Number

624-64-6

Molecular Formula

C4H8

Molecular Weight

56.11 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

−140 °C

Boiling Point

1 °C

Density

0.5990

Flash Point

<−30 °F

Refractive Index

1.3932

Vapor Pressure

2575 mm Hg ( 37.7 °C)

SMILES

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CC=CC

InChI

1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3+

InChIKey

IAQRGUVFOMOMEM-ONEGZZNKSA-N

LogP

1.58240

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

15.2

Safety Information

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Hazard Class

Class 2.1 Class 2.1

Stability

Stable. Incompatible with strong oxidizing agents, peroxides, peroxyacids, aluminium tetrahydroborate. Extremely flammable.

Explosive Limit

9.7%

Synonyms & References

English

2-BUTENE
(E)-2-Butene
(E)-2-C4H8
(E)-But-2-ene
2-Butene,(E)-
2-trans-Butene
beta-trans-butylene
low-boilingbutene-2
t-butene-2
2-Butene, (2E)-
trans-2-Butene
trans-2-Butene (in cylinder without valve) [To use this product charged in cylinder, a valve is required which is sold separately (Product Code:V0030)]
trans-1,2-dimethylethylene
CCRIS 8971
AKOS025295555
E-.BETA.-BUTYLENE
Butylene-2
trans-1,2-Dimethylethylene
but-2-ene
.BETA.-BUTYLENE, E-
HSDB 5723
beta-Butene
2-Butene, trans-
CH3CH=CHCH3
NS00007689
624-64-6
EINECS 203-452-9
2-Buten
EINECS 210-855-3
B0691
S1SK37516R

MDL Number

MFCD00064458

Customs Code

2901232000

FAQ

What regulatory guidelines apply to 2-Butene (CAS: 624-64-6)?

2-Butene (CAS: 624-64-6) is classified under GHS as a flammable gas. It is subject to regulation under REACH in the European Union, which requires manufacturers and importers to register substances if they are produced or imported in quantities of 1 tonne or more per year. In the United States, the EPA and FDA also regulate its use in consumer products and food additives. Ensuring compliance with these regulations is crucial for safe handling and distribution.

Are there alternatives to 2-Butene (CAS: 624-64-6) in synthesis?

Yes, there are alternatives to 2-Butene (CAS: 624-64-6) in synthesis. Isobutylene is a common isomer that can be used as a chemical precursor. Ethyl acetate and other esters can also be viable alternatives depending on the specific reaction conditions. These alternatives offer similar functional groups and can be used in a variety of synthetic routes.

What is the market or research trend for 2-Butene (CAS: 624-64-6)?

The market for 2-Butene (CAS: 624-64-6) is driven by its use in the polymer industry, where it is a monomer for the production of polybutene. Recent research trends focus on developing new applications in biomedical materials and as a solvent in organic synthesis. The trend towards sustainability is also influencing the exploration of biodegradable alternatives, which could affect the future demand for 2-Butene.

How should waste containing 2-Butene (CAS: 624-64-6) be handled?

Waste containing 2-Butene (CAS: 624-64-6) should be collected in an appropriate container and disposed of through a licensed hazardous waste disposal company. It should be stored away from heat and sources of ignition. Before disposal, ensure that it is adequately neutralized or treated to reduce the risk of flammability. Follow all local and national regulations for the handling and disposal of hazardous chemicals to protect the environment and public safety.