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542-28-9

542-28-9 structure
542-28-9 structure
Name 5-valerolactone
Synonyms δ-Valerolactone
Tetrahydro-2H-pyran-2-one
2H-Pyran-2-one, tetrahydro-
delta-Valerolactone
EINECS 203-569-5
Tetrahydro-2-pyranone
MFCD00005400
Density 1.1±0.1 g/cm3
Boiling Point 218.0±8.0 °C at 760 mmHg
Melting Point -13 °C
Molecular Formula C5H8O2
Molecular Weight 100.116
Flash Point 100.0±0.0 °C
Exact Mass 100.052429
PSA 26.30000
LogP -0.20
Vapour density 3.45 (vs air)
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.440
Storage condition 2-8°C
Water Solubility miscible
Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H318
Precautionary Statements P280-P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R41
Safety Phrases S26-S39
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS LU3580000
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%

Chemsrc provides CAS#:542-28-9 MSDS, density, melting point, boiling point, structure, formula, molecular weight, synthetic route, etc.
title: CAS No. 542-28-9 | Chemsrc address: https://www.chemsrc.com/en/baike/753068.html

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