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Alfa Aesar™ Ethyl mercaptoacetate, 98+%

Chemical Identifiers

Chemical Name or Material Ethyl mercaptoacetate
CAS 623-51-8
Molecular Formula C4H8O2S
Linear Formula HSCH2CO2CH2CH3
Formula Weight 120.17g/mol
MDL Number MFCD00004874
UN Number UN1228
Beilstein 605581
Synonym Ethyl thioglycolate; Mercaptoacetic acid ethyl ester
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Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1432122

 
alfa aesar™
A14321-22
100g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1432106

 
alfa aesar™
A14321-06
5g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1432136

 
alfa aesar™
A14321-36
500g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Boiling Point 156° to 159°C
Melting Point −80°C
Quantity 100g
Flash Point 48°C (118°F)
Odor Stench
Chemical Name or Material Ethyl mercaptoacetate
CAS 623-51-8
Assay ≥98%
Molecular Formula C4H8O2S
Linear Formula HSCH2CO2CH2CH3
Formula Weight 120.17g/mol
MDL Number MFCD00004874
UN Number UN1228
Beilstein 605581
Synonym Ethyl thioglycolate; Mercaptoacetic acid ethyl ester
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H301-H226
Toxic if swallowed.
Flammable liquid and vapour.
Health Hazard 3 GHS P Statement
P260-P280f-P233-P309-P310
Do not breathe dust/fume/gas/mist/vapors/spray.
Wear protective clothing.
Keep container tightly closed.
IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.
DOT Information Transport Hazard Class: 3; Packing Group: III; Proper Shipping Name: MERCAPTANS, LIQUID, FLAMMABLE, TOXIC, N.O.S.
RTECS Number AI6650000
TSCA TSCA

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.

Safety and Handling

Danger

GHS P Statement
P260-P280f-P233-P309-P310
Do not breathe dust/fume/gas/mist/vapors/spray.
Wear protective clothing.
Keep container tightly closed.
IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.

GHS H Statement
H301-H226
Toxic if swallowed.
Flammable liquid and vapour.