| Identification | More | [Name]
Acetylenedicarboxylic acid monopotassium salt | [CAS]
928-04-1 | [Synonyms]
2',4,4'-TRICHLOROCHALCONE
2-BUTYNEDIOC ACID MONO POTASSIUM SALT
2-BUTYNEDIOIC ACID, MONOPOTASSIUM SALT
ACETYLEN-DICARBOXYLIC ACID MONO POTASSIUM SALT
ACETYLENE DICARBOXYLIC ACID MONO POTASSIUM
ACETYLENEDICARBOXYLIC ACID MONOPOTASSIUM SALT
ACETYLENE DICARBOXYLIC ACID POTASSIUM SALT
MONOPOTASSIUM ACETYLENEDICARBOXYLATE
MONOPOTASSIUM BUTYNEDIOATE
POTASSIUM ACETYLENE DICARBOXYLATE
POTASSIUM HYDROGEN ACETYLENEDICARBOXYLATE
TIMTEC-BB SBB008993
acetylenedicarboxylic
monopotassiumsaltofacetylenedicarboxylicacid
u-4783
mono-Potassium 2-butynedioate
Butynedioic acid monopotassium salt~Potassium acetylenedicarboxylate
potassium hydrogen butynedioate
ACETYLENEDICARBOXYLIC ACID MONOPOTASSIU&
ACETYLENEDICARBOXYLIC ACID, MONOPOTASSIU M SALT, 98+% | [EINECS(EC#)]
213-169-2 | [Molecular Formula]
C4HKO4 | [MDL Number]
MFCD04687516 | [Molecular Weight]
152.15 | [MOL File]
928-04-1.mol |
| Chemical Properties | Back Directory | [Appearance]
white powder | [Melting point ]
133 °C | [storage temp. ]
-20°C | [form ]
powder to crystal | [color ]
White to Almost white | [Stability:]
Stable. Incompatible with bases, reducing agents, oxidizing agents. | [Water Solubility ]
slightly soluble (20 ºC) | [BRN ]
3571639 | [InChI]
1S/C4H2O4.K/c5-3(6)1-2-4(7)8;/h(H,5,6)(H,7,8);/q;+1/p-1 | [InChIKey]
KLLYWRUTRAFSJT-UHFFFAOYSA-M | [SMILES]
[K+].OC(=O)C#CC([O-])=O | [CAS DataBase Reference]
928-04-1(CAS DataBase Reference) | [EPA Substance Registry System]
928-04-1(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
T+ | [Risk Statements ]
R23/25:Toxic by inhalation and if swallowed .
R27:Very Toxic in contact with skin.
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . | [RIDADR ]
UN 2811 6.1/PG 1
| [WGK Germany ]
3
| [RTECS ]
AP0700000
| [TSCA ]
TSCA listed | [REACH Registrations]
Active | [HazardClass ]
6.1 | [PackingGroup ]
I | [HS Code ]
29171990 | [Storage Class]
6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials | [Hazard Classifications]
Acute Tox. 3 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| Hazard Information | Back Directory | [Chemical Properties]
white powder | [Purification Methods]
It is very soluble in H2O, but can be crystallised from a small volume of H2O in small crystals. These are washed with EtOH and dried over H2SO4 at 125o. [Bandrowski Chem Ber 10 841 1877, Lossen Justus Liebigs Ann Chem 272 133 1893, Beilstein 2 H 801, 2 I 317, 2 II 670, 2 III 1991, 2 IV 2290.] |
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