324515

trans-1,4-Dichloro-2-butene

98%

• Linear Formula: ClCH₂CH=CHCH₂Cl
• CAS Number: 110-57-6
• Molecular Weight: 125.00
• Beilstein: 1719693
• EC Number: 203-779-7
• MDL number: MFCD00000988
• UNSPSC Code: 12352100
• PubChem Substance ID: 24859448
• NACRES: NA.22

Properties

• vapor pressure: 10 mmHg ( 20 °C)
• Assay: 98%
• form: liquid
• refractive index: n20/D 1.488 (lit.)
• bp: 74-76 °C/40 mmHg (lit.)
• mp: 1-3 °C (lit.)
• density: 1.183 g/mL at 25 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: ClC\C=C\CCl
• InChI: 1S/C4H6Cl2/c5-3-1-2-4-6/h1-2H,3-4H2/b2-1+
• InChI key: FQDIANVAWVHZIR-OWOJBTEDSA-N

Description

Application

trans-1,4-Dichloro-2-butene may be used for the alkylation of adenine to 9-alkylpurines. It can react with diethyl malonate to form vinylcyclopropane derivative. It can also undergo asymmetric allylic alkylation with Grignard reagents in the presence of copper thiophene carboxylate catalyst.

Other Notes

85%, remainder predominantly cis isomer

Safety Information

• Pictograms: GHS02,GHS06,GHS05
• Signal Word: Danger
• Hazard Statements: H226,H301,H312,H314,H330
• Precautionary Statements: P210 - P233 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 1 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 127.4 °F - closed cup
• Flash Point(C): 53 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves