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| Produktsname: | but-2-ynedioic acid |
| CAS Registry Number: | 142-45-0 |
| EINECS: | 205-536-0 |
| Synonyme: | Butynedioic acid; 142-45-0; NSC631597;but-2-ynedioic acid; Acetylenedicarboxylic acid (8CI); but-2-ynedioic acid; acetylenedicarboxylate; 2-butynedioic acid;acetylenedicarboxylic acid; |
| Molecular Structure: |
 |
| Molecular Formula: | C4H2O4 |
| Molecular Weight: | 114.05628 |
| Dichte: | 1.699 g/cm3 |
| Boiling Point: | 362.4 °C at 760 mmHg |
| Schmelzpunkt: | 180-187℃ |
| Flash Point: | 131℃ |
| Risiko-Codes: | S26,S37/39,S45, |
| S-Sätze: | R25,R36/37/38, |
| Gefahrensymbole: | T:Toxic;Xi:Irritant; |