Benzonitrile, 2,4-dimethoxy-

Name	2,4-Dimethoxybenzonitrile
Synonyms	2,4-Dimethoxybenzoni 2,4 methoxybenzonitrile 2,4-Dimethoxybenzonitrile 2,4 Dimethoxybenxonitrile 2,4-DIMETHOXYBENZONITRILE Benzonitrile, 2,4-dimethoxy-
CAS	4107-65-7
EINECS	223-886-2
InChI	InChI=1/C9H9NO2/c1-11-8-4-3-7(6-10)9(5-8)12-2/h3-5H,1-2H3
InChIKey	RYRZSQQELLQCMZ-UHFFFAOYSA-N

Molecular Formula	C9H9NO2
Molar Mass	163.17
Density	1.2021 (rough estimate)
Melting Point	93-94 °C (lit.)
Boling Point	290.25°C (rough estimate)
Flash Point	128.8°C
Vapor Presure	0.000758mmHg at 25°C
Appearance	Solid
Color	White to slightly yellow
BRN	1950512
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.5300 (estimate)
MDL	MFCD00001786

Risk Codes	R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37 - Wear suitable protective clothing and gloves.
UN IDs	3276
WGK Germany	3
HS Code	29269095
Hazard Class	6.1
Packing Group	III

properties	white to light yellow crystalline powder
uses	benzonitrile is an important organic intermediate, mainly used in the preparation of medicines and pesticides, it is widely used in the manufacturing process of dyes, engineering plastics and photosensitive materials.
preparation	traditional methods for synthesizing halobenzonitrile include photo-halogenation, ammonia oxidation, phase transfer catalytic synthesis or reaction of carboxylic acid and urea, etc. In this paper, substituted benzaldehyde is used as the starting material, and then 2, 4-dimethoxybenzaldehyde oxime is formed, and then oxime is dehydrated with hydroxylamine to obtain substituted benzonitrile. Although there are many steps in this route, the yield of each step is higher, and the product is easy to separate and purify, which is a feasible route. The synthesis reaction formula of 2, 4-dimethoxybenzonitrile is as follows: Figure 1 2, the synthesis reaction formula of 4-dimethoxybenzonitrile

Last Update：2024-04-09 20:49:11

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