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Thieno[3,2-b]thiophene-2-carboxylic acid
[CAS# 1723-27-9]

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Identification
Classification Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Thiophene compound
Name Thieno[3,2-b]thiophene-2-carboxylic acid
Molecular Structure CAS # 1723-27-9, Thieno[3,2-b]thiophene-2-carboxylic acid
Molecular Formula C7H4O2S2
Molecular Weight 184.23
CAS Registry Number 1723-27-9
EC Number 674-358-7
Safety Data
Hazard Symbols symbol   Xi    Details
Risk Codes R36/37/38    Details
Safety Description S26;S37/39    Details
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Skin irritationSkin Irrit.2H315
Eye irritationEye Irrit.2H319
Specific target organ toxicity - single exposureSTOT SE3H335
Acute toxicityAcute Tox.4H332
Acute toxicityAcute Tox.4H312
Acute toxicityAcute Tox.4H302
Eye irritationEye Irrit.2AH319
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