Crotonyl chloride, tech. 90%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11424714	Thermo Scientific Alfa Aesar A13710.14	25 g
11434714	Thermo Scientific Alfa Aesar A13710.22	100 g
11444714	Thermo Scientific Alfa Aesar A13710.36	500 g

Description

Crotonyl chloride is used in agrochemical, pharmaceutical and dyestuff field. Crotonoyl chloride was used in the synthesis of α,β-unsaturated ester.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Crotonyl chloride is used in agrochemical, pharmaceutical and dyestuff field. Crotonoyl chloride was used in the synthesis of α,β-unsaturated ester.

Solubility
Reacts with water.

Notes
Moisture Sensitive. Store at 4°C. Store away from heat and moisture. Incompatible with

Chemical Identifiers

• CAS: 625-35-4
• Molecular Weight (g/mol): 104.533
• InChI Key: RJUIDDKTATZJFE-NSCUHMNNSA-N
• PubChem CID: 643131
• SMILES: CC=CC(=O)Cl

• Molecular Formula: C4H5ClO
• MDL Number: MFCD00000734
• Synonym: crotonyl chloride, 2-butenoyl chloride, crotonoyl chloride, e-but-2-enoyl chloride, e-2-butenoyl chloride, crotonic acid chloride, 2e-but-2-enoyl chloride, 2-butenoyl chloride, e, 2-butenoyl chloride, 2e, trans-2-butenoyl chloride
• IUPAC Name: (E)-but-2-enoyl chloride

Specifications

• CAS: 625-35-4
• Boiling Point: 121°C to 123°C
• Odor: Acrid
• Refractive Index: 1.46
• UN Number: UN2920
• Sensitivity: Moisture sensitive
• Solubility Information: Reacts with water.
• SMILES: CC=CC(=O)Cl
• Molecular Weight (g/mol): 104.533
• Formula Weight: 104.54
• Assay: remainder mainly cis-isomer

• Density: 1.091
• Flash Point: 35°C (95°F)
• Molecular Formula: C4H5ClO
• MDL Number: MFCD00000734
• Beilstein: 506118
• Synonym: crotonyl chloride, 2-butenoyl chloride, crotonoyl chloride, e-but-2-enoyl chloride, e-2-butenoyl chloride, crotonic acid chloride, 2e-but-2-enoyl chloride, 2-butenoyl chloride, e, 2-butenoyl chloride, 2e, trans-2-butenoyl chloride
• InChI Key: RJUIDDKTATZJFE-NSCUHMNNSA-N
• IUPAC Name: (E)-but-2-enoyl chloride
• PubChem CID: 643131
• Percent Purity: ≥90%
• Chemical Name or Material: Crotonyl chloride

Safety and Handling

GHS H Statement
H314-H318-H226
Causes severe skin burns and eye damage.
Causes serious eye damage.
Flammable liquid and vapour.

P210-P233-P240-P241-P242-P243-P260-P264b-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P370+P378q-P501c

H226-H314

missing translation for 'dotInformation' : Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE LIQUIDS, FLAMMABLE, N.O.S.

missing translation for 'einecsNumber' : 210-889-9

missing translation for 'tsca' : Yes

Recommended Storage : Keep cold; Store under Nitrogen

RUO – Research Use Only