2-Chloro-5-methylthiophene, 97%

Description

CAS: 17249-82-0 | C5H5ClS | 132.605 g/mol

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.

Specifications

Chemical Identifiers

• CAS: 17249-82-0
• Molecular Formula: C5H5ClS
• Molecular Weight (g/mol): 132.605
• MDL Number: MFCD01632145
• InChI Key: JSMMZMYGEVUURX-UHFFFAOYSA-N
• Synonym: thiophene, 2-chloro-5-methyl, pubchem5197, acmc-209e4p, 2-chloro-5-methyl-thiophene, ksc497i0h, 2-chloranyl-5-methyl-thiophene
• PubChem CID: 140208
• IUPAC Name: 2-chloro-5-methylthiophene
• SMILES: CC1=CC=C(S1)Cl

• Density: 1.21
• Boiling Point: 155°C to 156°C
• Flash Point: 47°C (117°F)
• Odor: Characteristic
• Refractive Index: 1.5356
• Quantity: 5 g
• UN Number: UN1992
• Solubility Information: Not miscible or difficult to mix with water.
• Formula Weight: 132.61
• Percent Purity: 97%
• Chemical Name or Material: 2-Chloro-5-methylthiophene

Safety and Handling

Hazard Category	H226-H302+H312-H331
Hazard Statement	GHS H Statement H331-H226-H302-H312 Toxic if inhaled. Flammable liquid and vapour. Harmful if swallowed. Harmful in contact with skin.
Precautionary Statement	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
DOTInformation	Transport Hazard Class: 3; Packing Group: III; Proper Shipping Name: FLAMMABLE LIQUIDS, TOXIC, N.O.S.
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only