Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,4-Dihydro-2H-pyran
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3,4-Dihydro-2H-pyran
Price: ￥318.0/500ml ￥78.0/100ml
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 3,4-Dihydro-2H-pyran
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

110-87-2

110-87-2 structure

110-87-2 structure

Name: 3,4-Dihydro-2H-pyran
Chemical Name: Dihydropyran
CAS Number: 110-87-2
Molecular Formula: C₅H₈O
Molecular Weight: 84.116
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyran compound
Create Date: 2018-02-04 08:00:00
Modify Date: 2025-08-20 06:42:29

Name	Dihydropyran
Synonyms	DIHYDROPYRANE Pyran, 2,3-dihydro- 3,4-2H-dihydropyran 5,6-DIHYDRO-4H-PYRAN Dihydro-2H-pyran 2,3-dihydropyran pyran,dihydro DHP 2,3-Dihydro-4H-pyran EINECS 203-810-4 2H-Pyran, 3,4-dihydro- 3,4-Dihydro-2H-pyran (DHP) 2H-3,4-dihydropyran MFCD00006558 3,4-Dihydro-2H-pyran 3,4-dihydropyran Dihydropyran

Density	0.9±0.1 g/cm3
Boiling Point	86.5±0.0 °C at 760 mmHg
Melting Point	−70 °C(lit.)
Molecular Formula	C₅H₈O
Molecular Weight	84.116
Flash Point	-15.6±0.0 °C
Exact Mass	84.057518
PSA	9.23000
LogP	0.69
Vapour density	2.9 (vs air)
Vapour Pressure	74.4±0.1 mmHg at 25°C
Index of Refraction	1.447
Storage condition	Flammables area
Water Solubility	20 g/L (20 ºC)

Symbol	GHS02, GHS07
Signal Word	Danger
Hazard Statements	H225-H315-H319-H335
Precautionary Statements	P210-P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	F:Flammable
Risk Phrases	R11;R36/38
Safety Phrases	S16-S26-S36-S37/39
RIDADR	UN 2376 3/PG 2
WGK Germany	3
Packaging Group	II
Hazard Class	3
HS Code	29329995

Precursor 10
97-99-4 93-58-3 78-79-5 103-75-3
109-87-5 571-57-3 625-23-0 94800-75-6
108-95-2 110-62-3
DownStream 10
111841-07-7 110171-23-8 109403-64-7 104802-31-5
110811-34-2 109430-31-1 111741-88-9 1011-61-6
1051940-71-6 105966-45-8

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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