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A18736 Acetylenedicarboxylic acid, 97%

CAS Number
142-45-0
Synonyms
Butynedioic acid

Stock No. Size Price ($) Quantity Availability
A18736-06 5g 24.10
A18736-14 25g 70.90
A18736-22 100g 248.00
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Acetylenedicarboxylic acid, 97%

MDL
MFCD00004362
EINECS
205-536-0

Chemical Properties

Formula
HO2CC≡CCO2H
Formula Weight
114.06
Melting point
ca 182° dec.
Flash Point
131°(267°F)
Storage & Sensitivity
Keep Cold.
Solubility
Soluble in diethyl ether and water.

Applications

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.

Notes

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

Literature References

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 Hazard and Precautionary Statements

Hazard Statements: H301+H311+H331-H315-H319-H335

Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P311-P312-P330-P332+P313-P337+P313-P361-P363-P501c

Avoid breathing 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 SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN: Wash with plenty of soap and water. 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. Call a POISON CENTER or doctor/physician. Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Remove/Take off immediately all contaminated clothing. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
878357
Hazard Class
6.1
Packing Group
III
Harmonized Tariff Code
2917.19
TSCA
Yes

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