| Identification | Back Directory | [Name]
1-BENZOTHIOPHEN-3(2H)-ONE | [CAS]
130-03-0 | [Synonyms]
1-BENZOTHIOPHEN-3-OL
2H-1-benzothiophen-3-one
1-BENZOTHIOPHEN-3(2H)-ONE
benzo[b]thiophen-3(2H)-one
2,3-dihydro-1-benzothiophen-3-one
1-BENZOTHIOPHEN-3(2H)-ONE ISO 9001：2015 REACH | [Molecular Formula]
C8H6OS | [MDL Number]
MFCD08061607 | [MOL File]
130-03-0.mol | [Molecular Weight]
150.2 |
| Questions And Answer | Back Directory | [Uses]
1-benzothiophene-3 (2H) - one is an organic intermediate, which can be prepared from 2-carboxymethyl thiobenzoic acid as starting material. It can be used to prepare fluorescent red 5B. Fluorescent red 5b is an oil-soluble solvent pigment with blue light, which has good heat resistance, light resistance, high coloring power and bright color; It can be used for coloring a variety of resins. |
| Chemical Properties | Back Directory | [Melting point ]
230 °C | [Boiling point ]
129-130 °C(Press: 3 Torr) | [density ]
1.311±0.06 g/cm3(Predicted) | [storage temp. ]
Sealed in dry,Store in freezer, under -20°C | [InChI]
InChI=1S/C8H6OS/c9-7-5-10-8-4-2-1-3-6(7)8/h1-4H,5H2 | [InChIKey]
ADHAJDDBRUOZHJ-UHFFFAOYSA-N | [SMILES]
O=C1CSC2C=CC=CC1=2 |
| Hazard Information | Back Directory | [Synthesis Reference(s)]
The Journal of Organic Chemistry, 10, p. 381, 1945 DOI: 10.1021/jo01181a001 | [Synthesis]
Synthesis of 1-benzothiophene-3(2H)-one: 38 kg of 2-carboxymethylthiobenzoic acid and 33 kg of sodium hydroxide were weighed according to the proportional amount, and the above raw materials were mixed uniformly in a closed-loop kettle, heated up to 180 ℃ |
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