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107-96-0 - 3-Mercaptopropionic acid, 99% - A13261 - Alfa Aesar

A13261 3-Mercaptopropionic acid, 99%

CAS-Nummer
107-96-0
Synonyme

Größe Preis ($) Menge Verfügbarkeit
100g 19,08
500g 52,84
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3-Mercaptopropionic acid, 99%

MDL
MFCD00004897
EINECS
203-537-0

Chemische Eigenschaften

Formel
C3H6O2S
Molmasse
106.14
Schmelzpunkt
17-19°
Siedepunkt
110-111°/15mm
Flammpunkt
93°(199°F)
Dichte
1.220
Brechungsindex
1.4920
Löslichkeit
Miscible with water, alcohol, benzene and ether.

Anwendungen

3-Mercaptopropionic acid is widely used in food and beverage industries as a flavoring agent. It is used in the production of PVC stabilizers, which are used as chain transfer agents in polymerizations. It can be used as primary or secondary, color stabilizer in combination with phenolic antioxidant for polymers. It acts as a sulfide ion equivalent and is utilized in the preparation of diaryl sulfide from aryl iodide.

Bemerkungen

Air Sensitive. Hygroscopic. Incompatible with bases, oxidizing agents and reducing agents.

Literaturverweise

Can behave as a sulfide ion equivalent, e.g. the Cu-catalyzed reaction with aryl iodides leads to the diaryl sulfide, with loss of acrylic acid (reverse Michael): Synthesis, 523 (1989):

In the presence of a free-radical initiator, acts as a chain transfer reagent in the telomerization of short oligomers for biotechnological applications: J. Polym. Sci. A, 37, 2977 (1999).

For a brief review of the reagent, see: Synlett, 1368 (2002).

Balamurugan, A.; Lee, H. Water-Soluble Polymeric Probes for the Selective Sensing of Mercury Ion: pH-Driven Controllable Detection Sensitivity and Time. Macromolecules 2015, 48 (4), 1048-1054.

Wu, M.; Algar, W. R. Acceleration of Proteolytic Activity Associated with Selection of Thiol Ligand Coatings on Quantum Dots. ACS Appl. Mater. Interfaces 2015, 7 (4), 2535-2545.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H314-H318-H227

Toxic if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage. Combustible liquid.

Sicherheitshinweise: P210-P260-P280-P301+P310-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
773807
Gefahrenklasse
8
Verpackungsgruppe
II
Harmonized Tariff Code
2930.90
TSCA
Yes
RTECS
UF5270000

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