| post date: | dec 16,2021 |
| expiry date: | jun 14,2022 |
| detailed description: | cas no. :75-20-7 |
| cas registry number: | 75-20-7 |
| synonyms: | ;calciumcarbidemetallurggradegreylumpsmm;calcium acetylide;quartz crystal;calcium ethynediide;ethyne, calcium salt (1:1); |
| molecular formula: | c2h2ca |
| molecular weight: | 66.1142 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r15:; |
| safety description: | s43a:; s8:; |
