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Merck
CN

P51400

Propiolic acid

95%

Synonym(s):

Acetylenecarboxylic acid, Propynoic acid

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About This Item

Linear Formula:
HC≡CCOOH
CAS Number:
471-25-0
Molecular Weight:
70.05
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24898598
EC Number:
207-437-8
Beilstein/REAXYS Number:
878176
MDL number:
MFCD00004360
Assay:
95%

Key Documents

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Product Name

Propiolic acid, 95%

InChI key

UORVCLMRJXCDCP-UHFFFAOYSA-N

InChI

1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)

SMILES string

OC(=O)C#C

assay

95%

impurities

≤6.0% acetic acid

refractive index

n20/D 1.431 (lit.)

bp

102 °C/200 mmHg (lit.)

mp

16-18 °C (lit.)

density

1.138 g/mL at 25 °C (lit.)

storage temp.

2-8°C

Quality Level

200

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Related Categories

Application

Reagent employed in the synthesis of transition metal complexes, haloalkyl propiolates, and halopropenoates.

signalword

Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

136.4 °F - closed cup

flash_point_c

58 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
STBL0584
STBK7647
STBK1697
0000111256
STBJ9377

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Tetrahedron, 48, 3413-3413 (1992)
The Journal of Organic Chemistry, 57, 709-709 (1992)
Journal of Organometallic Chemistry, 456, 271-271 (1993)
Alexander Böhme et al.
Chemical research in toxicology, 22(4), 742-750 (2009-03-26)
Glutathione (GSH) is a soft nucleophile and, as such, can be used to sense the reactivity of electrophilic agents toward the thiol group and other electron-rich sites of molecular structures. A new kinetic GSH chemoassay is introduced that employs a
Jihye Park et al.
The Journal of organic chemistry, 76(7), 2214-2219 (2011-03-05)
One-pot synthesis of symmetric 1,4-disubstituted 1,3-diynes from iodoarenes and propiolic acid via Sonogashira reaction followed by Pd-catalyzed decarboxylative homocoupling is developed in high yields. Also, this system allows the one-pot synthesis of unsymmetric 1,4-disubstituted 1,3-diynes by cross-coupling of two different
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