Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4H-pyran-4-one
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4H-pyran-4-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 4H-pyran-4-one
Price: ￥Inquiry/10g ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/25g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

108-97-4

108-97-4 structure

108-97-4 structure

Name: 4H-pyran-4-one
Chemical Name: 4H-pyran-4-one
CAS Number: 108-97-4
Molecular Formula: C₅H₄O₂
Molecular Weight: 96.08410
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyran compound
Create Date: 2018-05-10 08:00:00
Modify Date: 2025-08-25 16:33:41

Name	4H-pyran-4-one
Synonyms	EINECS 203-634-8 4H-PYRAN-4-ONE pyran-4-one MFCD00006576

Density	1.192 g/cm3
Boiling Point	210-215ºC(lit.)
Melting Point	32-34ºC(lit.)
Molecular Formula	C₅H₄O₂
Molecular Weight	96.08410
Flash Point	214 °F
Exact Mass	96.02110
PSA	30.21000
LogP	0.63980
Vapour Pressure	0.173mmHg at 25°C
Index of Refraction	1.507
Storage condition	2-8°C

Hazard Codes	Xi
Safety Phrases	S22-S24/25
WGK Germany	3
HS Code	2932999099

Precursor 9
159015-78-8 99-32-1 77070-79-2 135203-27-9
499-05-8 67-64-1 109-94-4 75456-40-5
1551-45-7
DownStream 10
1120-93-0 1120-94-1 105-20-4 21398-42-5
2048-68-2 767-00-0 75-47-8 99-93-4
24665-54-1 25299-40-5

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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