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3-Methyl-1-butene

CAS 563-45-1(CH3)2CHCH=CH2Chemical Synthesis

3-Methyl-1-butene (CAS 563-45-1) is a branched alkene with the linear formula (CH3)2CHCH=CH2 and a molar mass of 70.13 g/mol. This flammable liquid serves as a valuable building block in organic synthesis, particularly for creating more complex molecules. It is also classified under specialty gases and synthetic reagents, highlighting its role in various chemical research and industrial applications. TSS supplies this compound with an assay of 95%.

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3-Methyl-1-butene ((CH3)2CHCH=CH2) — chemical structure, CAS 563-45-1; Chemistry, fine chemical supplied by Tech Serve Solutions
Chemical SynthesisSpecialty GasesSynthetic Reagents
01 /Applications

Organic Synthesis Intermediate

3-Methyl-1-butene is utilised as a precursor in the synthesis of various organic compounds. Its alkene functionality allows for diverse chemical transformations, making it a versatile reagent in constructing complex molecular architectures.

Specialty Gas Applications

As a specialty gas, this compound may find use in specific industrial processes or research settings requiring a volatile organic compound with its unique structure. Its properties are suited for applications demanding precise control over gaseous reactants.

Reagent in Chemical Research

This chemical serves as a synthetic reagent in laboratory environments for academic and industrial research. Its availability supports the development of new materials and chemical processes.

02 /Properties
Molecular weight70.13
Linear formula(CH3)2CHCH=CH2
Assay95%
Boiling point20 °C(lit.)
Density0.627 g/mL at 25 °C(lit.)
Vapour pressure14.97 psi (20 °C)
Melting point−168.5-−168 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
Danger

Hazard statements

  • H224Extremely flammable liquid and vapour
  • H304May be fatal if swallowed and enters airways
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P261Avoid breathing dust, fume, gas or vapours
  • P301IF SWALLOWED
  • P305IF IN EYES
  • P331Do NOT induce vomiting
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
Flash point-57 °C / -70.6 °F
Transport (UN / ADR)UN 2561 3 / PGI
Water hazard class (WGK, DE)3
Hazard codes (EU)F+,Xn
Risk statements (R)12-36/37/38-65
Safety statements (S)16-26-62

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
563-45-1
MDL number
MFCD00008937
PubChem substance
24884490
Beilstein registry
505980
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 3-Methyl-1-butene used for?

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3-Methyl-1-butene is used as an intermediate in organic synthesis, in applications involving specialty gases, and as a synthetic reagent in chemical research.

What are the CAS number and chemical formula for 3-Methyl-1-butene?

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The CAS number for 3-Methyl-1-butene is 563-45-1 and its linear formula is (CH3)2CHCH=CH2.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 3-Methyl-1-butene with an assay of 95%. We do not represent this product as USP, BP, or EP grade.

How should 3-Methyl-1-butene be handled?

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3-Methyl-1-butene is an extremely flammable liquid and vapour (H224) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It may also be fatal if swallowed and enters airways (H304). Handle with appropriate personal protective equipment including eyeshields, gloves, and a full-face respirator. Store away from heat, sparks, open flames, and hot surfaces.

How is 3-Methyl-1-butene packed, shipped, and exported?

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3-Methyl-1-butene is packed, shipped, and exported in compliance with all relevant transportation regulations for hazardous materials, identified under UN 2561.

How can I request a sample or quote for 3-Methyl-1-butene?

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To request a sample or obtain a quote for 3-Methyl-1-butene, please contact our sales team through the TSS website or directly via email or phone.

Need 3-Methyl-1-butene in a specific grade or volume?