4-oxothiane (tetrahydrothiopyran-4-one)
(CAS No. 1072-72-6)

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● A building block that can be used to create a tetrahydrothiopyran ring (Fig. 1)
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It can be used as a raw material for manufacturing medicines and agricultural chemicals.
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● A raw material for manufacturing thermal recording materials (Fig. 2)
1. General properties, etc.
| Appearance | Sandy light brown colored crystals with a peculiar odor |
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| Chemical name | Tetrahydrothiopyran-4-one |
| Other names | 4-thiacyclohexanone, 4-oxotetrahydrothiopyran, penthianone |
| Molecular weight | 116.18 |
| CAS number | 1072-72-6 |
| CSCL number | None |
| Melting point | 58 to 60 ˚C |
| Solubility | Soluble in BTX and various alcohols. Insoluble in water. |
2. Standard
| Purity | More than 98% (using gas chromatography analysis) |
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| Melting point | 55 to 65 ˚C |
| Water content | 0.10% or less |
3. Packaging
| 40 kg units | 57 L fiber drums |
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4. Legal regulations, etc.
| UN classification | Not classified as a dangerous substance in UN classifications |
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| HS code | 2934.99.000 |
| TSCA | Unlisted |
| REACH | Not registered by us |
| EINECS | 214-015-7 |
| ECL | Unlisted |
| Others | Listed on PICCS, ASIA-AICS, and NZIoC. |







