Ethyl mercaptoacetate, 98+%

Description

CAS: 623-51-8 | C4H8O2S | 120.166 g/mol

It finds its application in the reaction of the dilithio-derivative with an aldehyde, followed by conversion to the episulfide by reaction with ethyl chloroformate, and desulfurization with triethyl phosphite, leads to the (E)-2-alkenoic acid with high stereoselectivity. It is used as depilatories, hair straightening agent, hair waving agent, and reducing agent in cosmetic industry.

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 finds its application in the reaction of the dilithio-derivative with an aldehyde, followed by conversion to the episulfide by reaction with ethyl chloroformate, and desulfurization with triethyl phosphite, leads to the (E)-2-alkenoic acid with high stereoselectivity. It is used as depilatories, hair straightening agent, hair waving agent, and reducing agent in cosmetic industry.

Solubility
Not miscible or difficult to mix in water.

Notes
Air sensitive. Store away from oxidizing agents and air. Keep the container tightly closed and place it in a cool, dry and well ventilated condition. Protect from electrostatic charges and store away from ignition sources. Store under inert gas.

Specifications

Chemical Identifiers

• CAS: 623-51-8
• Molecular Formula: C4H8O2S
• Molecular Weight (g/mol): 120.166
• MDL Number: MFCD00004874
• InChI Key: PVBRSNZAOAJRKO-UHFFFAOYSA-N
• Synonym: ethyl thioglycolate, ethyl mercaptoacetate, ethyl 2-mercaptoacetate, mercaptoacetic acid ethyl ester, ethyl thioglycollate, acetic acid, mercapto-, ethyl ester, thioglycolic acid ethyl ester, ethyl mercaptoacetic acid, usaf ek-2070, acetic acid, 2-mercapto-, ethyl ester
• PubChem CID: 12185
• IUPAC Name: ethyl 2-sulfanylacetate
• SMILES: CCOC(=O)CS

• Melting Point: -80°C
• Density: 1.096
• Boiling Point: 156°C to 159°C
• Flash Point: 48°C (118°F)
• Odor: Stench
• Refractive Index: 1.458
• Linear Formula: HSCH₂CO₂CH₂CH₃
• Quantity: 500 g
• UN Number: UN1228
• Beilstein: 605581
• Sensitivity: Air Sensitive
• Solubility Information: Not miscible or difficult to mix in water.
• Formula Weight: 120.17
• Percent Purity: ≥98%
• Chemical Name or Material: Ethyl mercaptoacetate

Safety and Handling

Hazard Category	H226-H301-H315-H319
Hazard Statement	GHS H Statement H301-H226 Toxic if swallowed. Flammable liquid and vapour.
Precautionary Statement	P210-P233-P240-P241-P242-P243-P264b-P270-P280-P301+P310-P303+P361+P353-P305+P351+P338-P330-P332+P313-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 3; Packing Group: III; Proper Shipping Name: MERCAPTANS, LIQUID, FLAMMABLE, TOXIC, N.O.S.
EINECSNumber	210-800-3
RTECSNumber	AI6650000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only