4-氢吡喃-4-甲酰氯

4-氢吡喃-4-甲酰氯 - Names and Identifiers

Name	Tetrahydro-2H-pyran-4-carbonyl chloride
Synonyms	Tetrahydro-2H-Pyran-4-Carbonyl 4-(Chlorocarbonyl)tetrahydro-2H-pyran Tetrahydro-2H-pyran-4-carbonylchlorid Tetrahydro-2H-pyran-4-carbonyl chloride Tetrahydro-2H-pyrane-4-carbonylchloride TETRAHYDRO-2H-PYRAN-4-CARBONYL CHLORIDE 2H-Pyran-4-carbonyl chloride, tetrahydro- 2H-Pyran-4-carbonyl chloride, tetrahydro- (9CI)
CAS	40191-32-0
EINECS	245-896-9
InChI	InChI=1/C6H9ClO2/c7-6(8)5-1-3-9-4-2-5/h5H,1-4H2
InChIKey	RYGUCYSSMOFTSH-UHFFFAOYSA-N

4-氢吡喃-4-甲酰氯 - Physico-chemical Properties

Molecular Formula	C6H9ClO2
Molar Mass	148.59
Density	1.201±0.06 g/cm3(Predicted)
Boling Point	50 °C
Flash Point	71.8°C
Vapor Presure	0.416mmHg at 25°C
Appearance	clear liquid
Color	Colorless to Almost colorless
Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
Refractive Index	1.463

4-氢吡喃-4-甲酰氯 - Risk and Safety

Risk Codes	R14 - Reacts violently with water R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R29 - Contact with water liberates toxic gas R34 - Causes burns R36 - Irritating to the eyes R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description	S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets.
UN IDs	3265
HS Code	29339900
Hazard Class	IRRITANT

4-氢吡喃-4-甲酰氯 - Introduction

Tetrahydro-2H-pyran-4-carbonyl chloride(Tetrahydro-2H-pyran-4-carbonyl chloride) is an organic compound with the chemical formula C6H9ClO2. The following are some of the properties, uses, preparation and safety information of the compound:

Nature:
-Appearance: colorless liquid
-Melting point:-44 ℃
-Boiling point: 97-98 ℃
-Density: 1.08 g/mL
-Soluble: Soluble in non-polar solvents such as chloroform and dichloromethane
-Stability: sensitive to water, contact with water should be avoided

Use:
- Tetrahydro-2H-pyran-4-carbonyl chloride are commonly used in organic synthesis reaction intermediates and reagents
-Can be used to synthesize pyran or other heterocyclic compounds
-can be used for the synthesis of certain drugs, pesticides and pharmaceutical intermediates

Preparation Method:
- Tetrahydro-2H-pyran-4-carbonyl chloride can be prepared by the following methods:
1.4-hydropyran was reacted with anhydrous thionyl chloride to obtain 4-hydropyran -4-formyl chloride
2. react 4-hydropyran -4-formylimidoyl chloride with hydrogen chloride to obtain Tetrahydro-2H-pyran-4-carbonyl chloride

Safety Information:
- Tetrahydro-2H-pyran-4-carbonyl chloride are irritating and corrosive and direct contact with skin, eyes and mucous membranes should be avoided
-Wear protective gloves, safety glasses and protective mask during operation
-Operate in a well-ventilated place to avoid inhaling its vapor
-In case of accidental contact, rinse immediately with plenty of water and seek medical help
-Waste shall be disposed of in accordance with local regulations

Last Update：2024-04-09 15:17:57