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2-Butyne-1,4-dioic acid

(The order shall be subject to the English name)

English alias：Acetylenedicarboxylic acid; but-2-ynedioic acid; 2-Butynedioic acid;
CAS：142-45-0 Molecular formula：C₄H₂O₄ Molecular weight：114.06 MDL：MFCD00004362
A46950 CAS:142-45-0 Acetylenedicarboxylic acid,  95%, Acmec

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Name：
2-Butyne-1,4-dioic acid
CAS No.：
142-45-0
Molecular formula：
C₄H₂O₄
Molecular weight：
114.06
InChIKey：
YTIVTFGABIZHHX-UHFFFAOYSA-N
InChI：
InChI=1S/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)
Pubchem ID：
371
Dangerous goods sign：
T; Xi
PackagingGrade：
II
DangerCategory：
6.1
HsCode：
29171990
DangerTransportCode：
UN 2811 6.1/PG 3
WGK Germany：
3
DangerCode：
R25; R36/37/38
SafetyInstructions：
S26-S45-S37/39
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