but-1-ene; but-2-ene

• ChemBase ID: 138124
• Molecular Formular: C8H16
• Molecular Mass: 112.21264
• Monoisotopic Mass: 112.12520051
• SMILES: CCC=C.C/C=C/C
• Canonical SMILES: C/C=C/C.C=CCC
• InChI: InChI=1S/2C4H8/c2*1-3-4-2/h3-4H,1-2H3;3H,1,4H2,2H3
• InChIKey: WTOOLIQYCQJDBG-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: but-1-ene; but-2-ene
• IUPAC Traditional name: 1-butene; 2-butene
• Synonyms: Polybutenes, monoepoxide; Polybutenes; 聚丁烯，单环氧化物; 聚丁烯类化合物

Database IDs

• CAS Number: 119275-53-5; 9003-29-6
• MDL Number: MFCD00197897
• PubChem SID: 24864243; 24864242; 24864245; 162232382
• PubChem CID: 6435908

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 1.9380126
• LogD (pH = 7.4): 1.9380126
• Log P: 1.9380126
• Molar Refractivity: 20.2503 cm^3
• Polarizability: 7.912242 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 1
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Flash Point: >113 °C; >235.4 °F
• Density: 0.84 g/mL at 25 °C; 0.89 g/mL at 25 °C; 0.908 g/mL at 25 °C
• Refractive Index: n20/D 1.468; n20/D 1.504
• Viscosity: 200-235 cSt(100 °C)(lit.); 210-227 cSt(38 °C)(lit.); 27-33 cSt(38 °C)(lit.); 4,000-4,400 cSt(99 °C)(lit.); 635-690 cSt(99 °C)(lit.); 65 cSt(38 °C)(lit.)
• Transition Temperature: pour point (ASTM D 97) +18 °C; pour point (ASTM D 97) +2 °C; pour point (ASTM D 97) -35 °C; pour point (ASTM D 97) -51 °C; pour point (ASTM D 97) -7 °C; Tg -64.9 °C; Tg -66.9 °C; Tg -69.6 °C; Tg -90.5 °C

Safety Information

• RTECS: EM9032000
• German water hazard class: 1; 3
• Personal Protective Equipment: Eyeshields, Gloves

Product Information

• Concentration: >90% in isobutylene
• Compostion: isobutylene, >90%
• Mol. Weight: average Mn ~1,290 by VPO; average Mn ~2,300 by VPO; average Mn ~320; average Mn ~365 by VPO; average Mn ~460 by VPO; average Mn ~920 by VPO
• Acid Value: 0.2
• Linear Formula: [-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y

DETAILS

Sigma Aldrich - 388718

Application
Hydrophobic material is derivatized to make detergents and anti-rust additives. Adds tack, flexibility and water repellency to adhesives and coatings. Contributes ′cling′ to LLDPE films. Plasticizer for polymers, lubricants and metal-working fluids.
Features and Benefits
Tackiness increases with molecular weight. Some internal double bonds may be present.
Other Notes
remainder 1- and 2-butenes
Physical form
Terminal vinyl group.

Sigma Aldrich - 388637

Application
Hydrophobic material is derivatized to make detergents and anti-rust additives. Adds tack, flexibility and water repellency to adhesives and coatings. Contributes ′cling′ to LLDPE films. Plasticizer for polymers, lubricants and metal-working fluids.
Features and Benefits
Tackiness increases with molecular weight. Some internal double bonds may be present.
Other Notes
remainder 1- and 2-butenes
Packaging
100 mL in poly bottle
Physical form
Terminal vinyl group.

Sigma Aldrich - 388696

Application
Hydrophobic material is derivatized to make detergents and anti-rust additives. Adds tack, flexibility and water repellency to adhesives and coatings. Contributes ′cling′ to LLDPE films. Plasticizer for polymers, lubricants and metal-working fluids.
Features and Benefits
Tackiness increases with molecular weight. Some internal double bonds may be present.
Other Notes
remainder 1- and 2-butenes
Packaging
100 mL in poly bottle
Physical form
Terminal vinyl group.

Sigma Aldrich - 388645

Application
Hydrophobic material is derivatized to make detergents and anti-rust additives. Adds tack, flexibility and water repellency to adhesives and coatings. Contributes ′cling′ to LLDPE films. Plasticizer for polymers, lubricants and metal-working fluids.
Features and Benefits
Tackiness increases with molecular weight. Some internal double bonds may be present.
Other Notes
remainder 1- and 2-butenes
Physical form
Terminal vinyl group.

Sigma Aldrich - 428280

Application
Modifier for coatings and adhesives, unsaturated polyesters, electrical compounds and foams.
Features and Benefits
Terminal epoxy group for incorporating hydrophobic character. Contributes impact and water resistance and low temperature flexibility.
Physical form
Epoxy-functional macromonomer.

Sigma Aldrich - 388726

Application
Hydrophobic material is derivatized to make detergents and anti-rust additives. Adds tack, flexibility and water repellency to adhesives and coatings. Contributes ′cling′ to LLDPE films. Plasticizer for polymers, lubricants and metal-working fluids.
Features and Benefits
Tackiness increases with molecular weight. Some internal double bonds may be present.
Other Notes
remainder 1- and 2-butenes
Packaging
1 L in poly bottle
Physical form
Terminal vinyl group.