2-Chloro-5-methylthiophene, 97%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11420227	Thermo Scientific Alfa Aesar B21657.06	5 g
11430227	Thermo Scientific Alfa Aesar B21657.14	25 g

Description

It is used in the synthesis of dithienylcyclopentene optical molecular switches. It is also used as an active pharmaceutical intermediate.

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
It is used in the synthesis of dithienylcyclopentene optical molecular switches. It is also used as an active pharmaceutical intermediate.

Solubility
Not miscible or difficult to mix with water.

Notes
Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

Chemical Identifiers

• CAS: 17249-82-0
• Molecular Weight (g/mol): 132.605
• InChI Key: JSMMZMYGEVUURX-UHFFFAOYSA-N
• PubChem CID: 140208
• SMILES: CC1=CC=C(S1)Cl

• Molecular Formula: C5H5ClS
• MDL Number: MFCD01632145
• Synonym: thiophene, 2-chloro-5-methyl, pubchem5197, acmc-209e4p, 2-chloro-5-methyl-thiophene, ksc497i0h, 2-chloranyl-5-methyl-thiophene
• IUPAC Name: 2-chloro-5-methylthiophene

Specifications

• CAS: 17249-82-0
• Boiling Point: 155°C to 156°C
• Odor: Characteristic
• Refractive Index: 1.5356
• UN Number: UN1992
• Solubility Information: Not miscible or difficult to mix with water.
• SMILES: CC1=CC=C(S1)Cl
• Molecular Weight (g/mol): 132.605
• Formula Weight: 132.61
• Chemical Name or Material: 2-Chloro-5-methylthiophene

• Density: 1.21
• Flash Point: 47°C (117°F)
• Molecular Formula: C5H5ClS
• MDL Number: MFCD01632145
• Synonym: thiophene, 2-chloro-5-methyl, pubchem5197, acmc-209e4p, 2-chloro-5-methyl-thiophene, ksc497i0h, 2-chloranyl-5-methyl-thiophene
• InChI Key: JSMMZMYGEVUURX-UHFFFAOYSA-N
• IUPAC Name: 2-chloro-5-methylthiophene
• PubChem CID: 140208
• Percent Purity: 97%

Safety and Handling

GHS H Statement
H331-H226-H302-H312
Toxic if inhaled.
Flammable liquid and vapour.
Harmful if swallowed.
Harmful in contact with skin.

P210-P233-P235-P240-P241-P242-P243-P261-P264b-P270-P271-P280-P301+P312-P303+P361+P353-P304+P340-P311-P312-P330-P363-P370+P378q-P501c

H226-H302+H312-H331

missing translation for 'dotInformation' : Transport Hazard Class: 3; Packing Group: III; Proper Shipping Name: FLAMMABLE LIQUIDS, TOXIC, N.O.S.

missing translation for 'tsca' : No

Recommended Storage : Ambient temperatures

RUO – Research Use Only