2-ISOPROPOXYPHENOL

Name	Pyrocatechol monoisopropyl ether
Synonyms	propoxurphenol o-Isopropoxyphenol 2-Isopropoxyphenol 2-ISOPROPOXYPHENOL Phenol, 2-isopropoxy 2-(1-methylethoxy)-pheno 2-(propan-2-yloxy)phenol 2-(1-methylethoxy)phenol Phenol, 2-(1-methylethoxy)- 1-Hydroxy-2-isopropoxybenzene Pyrocatechol monoisopropyl ether 2-Isopropoxyphenol,(Catechol monoisopropyl ether)
CAS	4812-20-8
EINECS	225-379-1
InChI	InChI=1/C9H12O2/c1-7(2)11-9-6-4-3-5-8(9)10/h3-7,10H,1-2H3

Molecular Formula	C9H12O2
Molar Mass	152.19
Density	1.03 g/mL at 25 °C (lit.)
Boling Point	100-102 °C/11 mmHg (lit.)
Flash Point	190°F
Water Solubility	Soluble in water.
Solubility	Chloroform (Slightly), Methanol (Slightly)
Vapor Presure	0.0798mmHg at 25°C
Appearance	Liquid
Color	Clear light yellow to light red-brown
BRN	1937063
pKa	9.99±0.35(Predicted)
Storage Condition	Inert atmosphere,Room Temperature
Refractive Index	n20/D 1.514(lit.)
MDL	MFCD00002184
Physical and Chemical Properties	2-isopropoxyphenol is a colorless and transparent oily liquid, B. p. 100~102 ℃/1.46 kPa,n20D 1.5140, relative density 1.030, insoluble in water, soluble in benzene and other organic solvents.

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S37/39 - Wear suitable gloves and eye/face protection S36 - Wear suitable protective clothing.
WGK Germany	3
TSCA	Yes
HS Code	29095090

NIST chemical information	Information provided by: webbook.nist.gov (external link)
EPA chemical information	Information provided by: ofmpub.epa.gov (external link)
Uses	2-isopropoxyphenol, also known as 2-(1-methylethoxy) phenol, is an important intermediate for the synthesis of carbamate insecticide propox.
Production method	2-isopropoxyphenol is prepared by the reaction of catechol and isopropyl bromide. Slowly add isopropyl bromine to the mixture of catechol, potassium carbonate, butanone and phase transfer catalyst that is refluxing, continue to refluxing for a certain period of time, and then evaporate most of the butanone (85%), Add sufficient water to dissolve the solid salt, and then extract with benzene. The extract is extracted with dilute sodium hydroxide solution. The extract is neutralized with dilute hydrochloric acid and then extracted with benzene. Calcium chloride is dried, most of the benzene is evaporated, and distilled under reduced pressure, fractions of 100~102 ℃/1.46kPa were collected, and the yield was> 60% (reflux 32h yield> 60%, reflux 8h yield was 54%). If isopropyl chloride is used instead of isopropyl bromide, the cost can be reduced, but the process must be autoclave reaction. Domestic o-isopropoxyphenol uses isopropyl chloride and catechol reaction process.

Last Update：2024-04-09 02:00:08

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