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B20391 Mercaptoacetic acid, 97+%

CAS Number
68-11-1
Synonyms
Thioglycolic acid

Stock No. Size Price ($) Quantity Availability
B20391-22 100g 24.00
B20391-36 500g 39.60
B20391-0E 2500g 162.00
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Mercaptoacetic acid, 97+%

MDL
MFCD00004876
EINECS
200-677-4

Chemical Properties

Formula
C2H4O2S
Formula Weight
92.11
Melting point
-12°
Boiling Point
220°
Flash Point
119°(246°F)
Density
1.295
Refractive Index
1.5045
Storage & Sensitivity
Air Sensitive. Ambient temperatures.
Solubility
Miscible with water, ethanol, ethers, ketones, esters, chlorinated hydrocarbons, benzene and aromatic hydrocarbons. Slightly miscible with chloroform.

Applications

Reagent that protects tryptophan in amino acid analysis.Mercaptoacetic acid is used as a protecting agent for tryptophan in amino acid analysis and an acidity indicator. It finds application as an intermediate in the chemical reactions such as addition, elimination and cyclization. It acts as a precursor to ammonium thioglycolate, sodium thioglycolate and calcium thioglycolate. Its organotin derivatives are used as stabilizers for polyvinyl chloride (PVC). In organic synthesis, it acts as a nucleophile in thioglycolysis reactions and sulfur transfer agent for sulfonyl chloride synthesis. Further, it is used in leather processing.

Notes

Air sensitive. Incompatible with strong oxidizing agents and strong acids.

Literature References

Si, L.; Ariya, P. A. Photochemical reactions of divalent mercury with thioglycolic acid: Formation of mercuric sulfide particles. Chemosphere 2015, 119, 467-472.

Maltas, E.; Ertekin, B. Binding of actin to thioglycolic acid modified superparamagnetic nanoparticles for antibody conjugation. Int. J. Biol. Macromol. 2015, 72, 984-989.

GHS Hazard and Precautionary Statements

Hazard Statements: H301+H311+H331-H314-H335

Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. Causes severe skin burns and eye damage. May cause respiratory irritation.

Precautionary Statements: P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,9336
Beilstein
506166
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2930.90
TSCA
Yes
RTECS
AI5950000

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