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491-37-2

491-37-2 structure
491-37-2 structure
Name Chroman-4-one
Synonyms 4-Chlomanone
4H-1-Benzopyran-4-one, 2,3-dihydro-
CHROMANONE,4
CHROMANONE
2,3-Dihydro-4H-chromen-4-one
2,3-Dihydro-4-benzopyranone
4-Chromanone
Isochromanone
EINECS 207-736-3
4-chormanone
chroman-4-one
2,3-dihydro-4H-1-benzopyran-4-one
MFCD00006840
Density 1.2±0.1 g/cm3
Boiling Point 253.2±0.0 °C at 760 mmHg
Melting Point 34-40ºC
Molecular Formula C9H8O2
Molecular Weight 148.159
Flash Point 128.4±15.3 °C
Exact Mass 148.052429
PSA 26.30000
LogP 1.99
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.562
Storage condition 0-10°C
Hazard Codes Xi
Risk Phrases R33
Safety Phrases S24/25
WGK Germany 2
RTECS DJ2981225
HS Code 2932999099
HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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title: CAS No. 491-37-2 | Chemsrc address: https://m.chemsrc.com/en/baike/677575.html

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