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79-11-8 - Chloroacetic acid, 99% - Monochloroacetic acid - A11482 - Alfa Aesar

A11482 Chloroacetic acid, 99%

CAS-Nummer
79-11-8
Synonyme
Monochloroacetic acid

Größe Preis ($) Menge Verfügbarkeit
250g 16,56
1000g 34,30
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Chloroacetic acid, 99%

MDL
MFCD00002683
EINECS
201-178-4

Chemische Eigenschaften

Formel
C2H3ClO2
Molmasse
94.50
Schmelzpunkt
60-63°
Siedepunkt
189°
Flammpunkt
126°(258°F)
Dichte
1.404
Sensitivität
Hygroscopic
Löslichkeit
Soluble in water, methanol, acetone, diethyl ether, benzene, chloroform and ethanol.

Anwendungen

Chloroacetic acid is used in the production of pharmaceuticals, dyes, detergents, synthetic caffeine, glycine and thioglycolic acid, which acts as a stabilizer in PVC. It acts as a precursor to glyphosate and adrenaline. It also serves as a preservative and bacteriostat. Further, it is used as surface active agents and photosensitive chemicals. It is also used in the O-alkylation of salicylaldehyde and an active component in cosmetics. In addition, it is involved in the preparation of thickening agent carboxymethyl cellulose and carboxymethyl starch.

Bemerkungen

Incompatible with strong oxidizing agents, strong bases and strong reducing agents.

Literaturverweise

A convenient one-pot alternative to the Knoevenagel or Horner-Wadsworth-Emmons reactions for the synthesis of ɑ-unsubstituted cinnamic acids involves the reaction of chloroacetic acid with dimethyl phosphite in the presence of sodium methoxide, and treatment of the resulting phosphonoacetate salt with a benzaldehyde: J. Org. Chem., 46, 2514 (1981):

For a more general version of this reaction, applicable to the synthesis of a variety of substituted acrylic acids, see 2-Bromopropionic acid, A17569 .

Scialdone, O.; Galia, A.; Sabatino, S.; Mira, D.; Amatore, C. Electrochemical Conversion of Dichloroacetic Acid to Chloroacetic Acid in a Microfluidic Stack and in a Series of Microfluidic Reactors. Chem. Electro. Chem. 2015, 2 (5), 684-690.

Teng, Y.; Liu, Y.; Jiang, J. Preparation of Carboxyl-End-Group Poly(methyl methacrylate) and Polystyrene with Low Polydispersity by Atom Transfer Radical Polymerization Initiated with Chloroacetic Acid. Asian J. Chem. 2015, 27 (9), 3254-3258.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H311-H331-H314-H400

Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. Causes severe skin burns and eye damage. Very toxic to aquatic life.

Sicherheitshinweise: P260-P261-P273-P301+P310-P303+P361+P353-P305+P351+P338-P361-P301+P330+P331-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Avoid breathing dust/fume/gas/mist/vapours/spray. Avoid release to the environment. 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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,2112
Beilstein
605438
Gefahrenklasse
6.1
Verpackungsgruppe
II
Harmonized Tariff Code
2915.40
TSCA
Yes
RTECS
AF8575000

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