Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

142-45-0 - Acetylenedicarboxylic acid, 97% - Butynedioic acid - A18736 - Alfa Aesar

A18736 Acetylenedicarboxylic acid, 97%

CAS-Nummer
142-45-0
Synonyme
Butynedioic acid

Größe Preis ($) Menge Verfügbarkeit
5g 22,50
25g 66,20
100g 231,00
Zum Warenkorb hinzufügen Zur Angebotsanfrage hinzufügen Artikel anzeigen

Acetylenedicarboxylic acid, 97%

MDL
MFCD00004362
EINECS
205-536-0

Chemische Eigenschaften

Formel
HO2CC≡CCO2H
Molmasse
114.06
Schmelzpunkt
ca 182° dec.
Flammpunkt
131°(267°F)
Löslichkeit
Soluble in diethyl ether and water.

Anwendungen

Acetylenedicarboxylic acid is employed in the preparation of dimethyl acetylenedicarboxylate and potassium hydrogenacetylenedicarboxylate. It is also used as a laboratory reagent. Further, it is used as a precursor in organic synthesis and also serves as a pharmaceutical intermediate.

Bemerkungen

Air sensitive. Store in a cool place. Incompatible with bases, alkali, reducing agents and oxidizing agents.

Literaturverweise

Fung, E.; Chua, K.; Ganz, T.; Nemeth, E.; Ruchala, P. Thiol-derivatized minihepcidins retain biological activity. Bioorg. Med. Chem. Lett. 2015, 25 (4), 763-766.

Demetrowitsch, T. J.; Petersen, B.; Keppler, J. K.; Koch, A.; Schreiber, S.; Laudes, M.; Schwarz, K. Validation of a two-step quality control approach for a large-scale human urine metabolomic study conducted in seven experimental batches with LC/QTOF-MS. Bioanalysis 2015, 7 (1), 103-112.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H300-H310-H330-H314-H318

Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. Causes severe skin burns and eye damage. Causes serious eye damage.

Sicherheitshinweise: P301+P310a-P303+P361+P353-P304+P340-P305+P351+P338-P320-P405-P501a

IF SWALLOWED: Immediately call a POISON CENTER/doctor 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. Specific treatment is urgent (see label). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
878357
Gefahrenklasse
6.1
Verpackungsgruppe
II
Harmonized Tariff Code
2917.19
TSCA
Yes

Empfohlen

Kürzlich angesehen

Chemikalien

Life science

Metalle und Stoffe

Katalysatoren

Forschungs- und Laborbedarf