2,3-dihydro-1,4-benzodioxine-6-carbonyl chloride

2,3-dihydro-1,4-benzodioxine-6-carbonyl chloride - Names and Identifiers

Name	2,3-dihydro-1,4-benzodioxine-6-carbonyl chloride
Synonyms	1,4-Benzodioxan-6-carbonyl chloride 2,3-dihydro-1,4-Benzodioxin-6-carbonylchloride 2,3-DIHYDRO-1,4-BENZODIOXINE-6-CARBONYL CHLORIDE 2,3-dihydro-1,4-benzodioxine-7-carbonyl chloride 2,3-dihydro-1,4-benzodioxine-6-carbonyl chloride 1,4-Benzodioxin-6-carbonyl chloride, 2,3-dihydro- 1,4-benzodioxin-6-carbonyl chloride, 2,3-dihydro- 2,3-dihydrobenzo[b][1,4]dioxine-6-carbonylchloride 6-(Chlorocarbonyl)-2,3-dihydro-1,4-benzodioxine, 1,4-Benzodioxane-6-carbonyl chloride, 6-(Chlorocarbonyl)-1,4-benzodioxane
CAS	6761-70-2
InChI	InChI=1/C9H7ClO3/c10-9(11)6-1-2-7-8(5-6)13-4-3-12-7/h1-2,5H,3-4H2

2,3-dihydro-1,4-benzodioxine-6-carbonyl chloride - Physico-chemical Properties

Molecular Formula	C9H7ClO3
Molar Mass	198.6
Density	1.371±0.06 g/cm3 (20 ºC 760 Torr)
Melting Point	100 °C
Boling Point	301.7±41.0 °C(Predicted)
Flash Point	135.7°C
Vapor Presure	0.00104mmHg at 25°C
Storage Condition	Room Temprature
Refractive Index	1.566

2,3-dihydro-1,4-benzodioxine-6-carbonyl chloride - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	R34 - Causes burns R20/22 - Harmful by inhalation and if swallowed. R14 - Reacts violently with water R29 - Contact with water liberates toxic gas
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 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.)
Hazard Class	IRRITANT

2,3-dihydro-1,4-benzodioxine-6-carbonyl chloride - Introduction

Nature:
2,3-dihydro-1, chloride is a colorless to yellowish solid. It has a pungent odor and is soluble in some organic solvents such as methanol, ethanol and dichloromethane. Its melting point is in the range of 50-52°C.

Use:
2,3-dihydro-1, chloride can be used as an important intermediate in organic synthesis. It is commonly used in the synthesis of pharmaceuticals, pesticides and other organic compounds.

Preparation Method: The preparation method of
2,3-dihydro-1, chloride is more complicated, and it is generally synthesized by multi-step reaction in the laboratory. One of the commonly used synthetic methods is the reaction of 2,3-dihydro -1,4-benzodioxane with silver phthalocyanine, followed by acidification with thionyl chloride to obtain the target product.

Safety Information:
When handling 2,3-dihydro-1, chloride, take appropriate protective measures, such as wearing protective glasses, gloves and appropriate laboratory clothing. This compound is irritating and corrosive and should be rinsed with plenty of water immediately after contact with skin and eyes. In use should avoid dust and steam, avoid inhalation or contact. In addition, for the use and handling of toxic or irritating substances, it is important to follow the relevant safety procedures and guidelines.

Last Update：2024-04-09 02:00:47