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3,4-Dihydro-2H-pyran

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Formula: C5H8O
CAS: 110-87-2
search Element: dihydro pyran

Identification

Structural Formula
3,4-Dihydro-2H-pyran
CAS:
110-87-2
EINECS:
203-810-4
Molecular Formula:
C5H8O
MDL:
MFCD00006558
SMILES:
C1CC=COC1
Synonym:
δ2-dihydropyran ; pyran,dihydro- ; 3,4-dihydropyran ; 2h-3,4-dihydropyran ; dhp ; dihydropyran ; dihydropyran/dhp ; pyran, dihydro- ; dihydropyrane ; dihydro-2h-pyran


Description

A protecting group reagent for alcohols.


Suppliers

Autech Industry Co.,Limited
AIC10804320
Shandong Minglang Chemical Co., Ltd
SMC14005600
H&Z Industry Co.,Ltd
HIC8003200
Chemlyte Solutions
CS7202160
Hangzhou Cherry Pharmaceutical Technology Co., Ltd.
HCPT204010200
U-Chemo Scientific (Shanghai) Co.,Ltd.
US15206080
Xiamen Equation Chemical Co.,Ltd
XECC12806400
Hangzhou Zhongqi Chem Co., Ltd
HZC12004800
Zouping Mingxing Chemical Co., Ltd.
ZMC14005600
Daming Changda Co., Ltd.
DC9602880
Synthon-Chemicals GmbH & Co. KG
ST02199
Merck Schuchardt OHG
MSO8003200
Hangzhou Keying Chem Co., Ltd.
HKC12004800
scienTEST - bioKEMIX GmbH
S-B10004000
CM Fine Chemicals
CFC6802720
Simagchem Corporation
SC8402520
Capot Chemical Co., Ltd.
9508
Leap Chem Co., Ltd
LC7202160
Santa Cruz Biotechnology, Inc.
256581
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Prices & Availability




Data is processed


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Properties for 3,4-Dihydro-2H-pyran

Molecular Weight:
84.12 g·mol−1
Density:
0.922 g/mL at 25 °C(lit.)
Melting point:
-70 °C(lit.)
Boiling point:
86 °C(lit.)
Flash point:
4 ºF
Physical Description:
colorless to light yellow liqui
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Hazard Statements

GHS02

GHS02
Flammable
  • Flammable gases, category 1
  • Flammable aerosols, categories 1, 2
  • Flammable liquids, categories 1, 2, 3
  • Flammable solids, categories 1, 2
  • Self-reactive substances and mixtures, types B, C, D, E, F
  • Pyrophoric liquids, category 1
  • Pyrophoric solids, category 1
  • Combustible solids, category 3
  • Combustible liquids, category 3
  • Self-heating substances and mixtures, categories 1, 2
  • Substances and mixtures, which in contact with water, emit flammable gases, categories 1, 2, 3
  • Organic peroxides, types B, C, D, E, F
GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
  • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R11 - Highly flammable
R19 - May form explosive peroxides
R36/37/38 - Irritating to eyes, respiratory system and skin
R36/38 - Irritating to eyes and skin
Safety Codes:
S16 - Keep away from sources of ignition - No smoking
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S33 - Take precautionary measures against static discharges
S36 - Wear suitable protective clothing
S37/39 - Wear suitable gloves and eye/face protection
S7/9 - Keep container tightly closed and in a well-ventilated place
Hazard Classes:
3
Hazard Symbols:
F, Xi
Hazard symbol F Hazard symbol Xi
Storage temperature :
Flammables area
RID/ADR certification :
UN 2376 3 / PG 2
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Alternative Distributors of [3,4-Dihydro-2H-pyran]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

OmegaChem Inc. | Rongkang Industry Co.,Ltd - (NSTU Chemicals Hanggzhou Co.,) | Molekula GmbH | Chem-Impex International, Inc. | Zhejiang Taizhou Qingquan Medical & Chemical Co., Ltd. | Nanjing King-Pharm Co., Ltd. | Xiang Ding Chemical International Co., Ltd | ABCR GmbH & Co. KG | TCI Europe NV | Ring Specialty Chemicals Inc. | Henan Yuchen Fine Chemical Co., Ltd. | Ubichem PLC | Zouping Mingxing Chemical Co., Ltd. | Bona Chemical Co., Limited | Ark Pharm, Inc. | Zhangjiagang Boman Chemical Co., Ltd. | Penn A Kem, LLC | Shanghai Hanhong Chemical Co., Ltd. | Suzhou Rovathin Pharmatech Co., Ltd | Nantong Qihai Chemicals Co., Ltd. | AOKBIO Co., Ltd. | Jinjiangchem Corporation | 3Way Pharm Inc. | East Chemical Industry Co., Ltd. | Zhejiang Kaili Industrial Co., Ltd. | BOC Sciences | Hangzhou Ocean Chemical Co., Ltd. | Jinan Haohua Industry Co., Ltd. | Finetech Industry Limited | Trademax Phamaceuticals & Chemicals Co., Ltd. | Xiamen Hisunny Chemical Co., Ltd. | scienTEST | Gihi Chemicals Co., Limited | Yangzhou Princechem Co., Ltd.

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