33719-74-3

Name	3,5-dichloroanisole
Synonyms	3.5-Dichloroan 3,5-DICHLORANISOL 3,5-Dichloroanisole 3,5-DICHLOROANISOLE 3,5-dichloroanisole 1,3-dichloro-5-methoxybenzene 1,3-DICHLORO-5-METHOXYBENZENE Benzene, 1,3-dichloro-5-methoxy- TOLCLOFOS-METHYL PESTANAL, 250 MG
CAS	33719-74-3
EINECS	251-655-6
InChI	InChI=1/C7H6Cl2O/c1-10-7-3-5(8)2-6(9)4-7/h2-4H,1H3

Molecular Formula	C7H6Cl2O
Molar Mass	177.03
Density	1.289±0.06 g/cm3(Predicted)
Melting Point	39-41 °C (dec.) (lit.)
Boling Point	97°C 7,6mm
Flash Point	223°F
Solubility	Chloroform, Ethyl Acetate (Slightly), Methanol (Slightly)
Vapor Presure	0.142mmHg at 25°C
Appearance	White crystal powder
Color	White to Off-White Low-Melting
BRN	1936395
Storage Condition	Refrigerator
Refractive Index	1.534
MDL	MFCD00000589

Hazard Symbols	Xn - Harmful
Risk Codes	R36/37/38 - Irritating to eyes, respiratory system and skin. R20/22 - Harmful by inhalation and if swallowed.
Safety Description	S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	3
HS Code	29093090

Use	3, 5-dichloroanisole is an ether derivative and can be used as an organic intermediate.
preparation	under the protection of nitrogen, add 254.1g (1.4mol) of 1,3, 5-trichlorobenzene, sodium methoxide 151.2g (2.8mol,30% methanol solution), heated to 65~75 ℃, heat preservation, tracking reaction detection until the reaction is complete, filtering, 400g dichloromethane extraction, water washing to neutral, after drying and removing the solvent, a crude product of 3, 5-dichloroanisole was obtained. The main fraction was 229.1G, yield 93%,GC:92%, and distillation was carried out by adding a spiny fractionating column.
NIST chemical information	information provided by: webbook.nist.gov (external link)

Last Update：2024-04-10 22:29:15

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