3-(Methylthio)propionic acid, 98%

Description

CAS: 646-01-5 | C4H8O2S | 120.166 g/mol

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.

Specifications

Chemical Identifiers

• CAS: 646-01-5
• Molecular Formula: C4H8O2S
• Molecular Weight (g/mol): 120.166
• MDL Number: MFCD00059635
• InChI Key: CAOMCZAIALVUPA-UHFFFAOYSA-N
• Synonym: 3-methylthio propionic acid, 3-methylthiopropionate, 3-methylthiopropionic acid, 4-thiapentanoic acid, 3-methylsulfanyl propanoic acid, propanoic acid, 3-methylthio, 3-methylmercaptopropionic acid, unii-f523ali47d, 3-methylthio propanoic acid, propionic acid, 3-methylthio
• PubChem CID: 563
• ChEBI: CHEBI:1438
• IUPAC Name: 3-methylsulfanylpropanoic acid
• SMILES: CSCCC(=O)O

• Melting Point: ∼16°C
• Density: 1.16
• Boiling Point: 244°C to 247°C
• Flash Point: 104°C (219°F)
• Odor: Unpleasant
• Linear Formula: CH₃S(CH₂)₂CO₂H
• Refractive Index: 1.4885
• Quantity: 50 g
• UN Number: UN3265
• Beilstein: 1743054
• Formula Weight: 120.17
• Percent Purity: 98%
• Chemical Name or Material: 3-(Methylthio)propionic acid

Safety and Handling

Hazard Category	H314-H335
Hazard Statement	GHS H Statement H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c
DOTInformation	Transport Hazard Class: 8; Packing Group: III; Proper Shipping Name: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.
EINECSNumber	211-460-9
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only