4-ISOPROPYLCATECHOL supplier

Name
4-ISOPROPYLCATECHOL
EINECS
CAS No. 2138-43-4
Article Data14
CAS DataBase
Density 1.116g/cm³
Solubility
Melting Point 78°C
Formula C9H12 O2
Boiling Point 271°Cat760mmHg
Molecular Weight 152.193
Flash Point 129.2°C
Transport Information
Appearance
Safety Poison by intravenous route. A human skin irritant. When heated to decomposition it emits acrid smoke and fumes.
Risk Codes
Molecular Structure
Hazard Symbols
Synonyms Pyrocatechol,4-isopropyl- (6CI,7CI,8CI); 1,2-Dihydroxy-4-isopropylbenzene;4-Isopropyl-1,2-dihydroxybenzene; 4-Isopropylcatechol; 4-Isopropylpyrocatechol;NSC 62676
PSA 40.46000
LogP 2.22120

Synthetic route

: 68591-07-1
2-hydroxy-5-isopropylbenzaldehyde

: 2138-43-4
4-isopropylcatechol

Conditions

Conditions	Yield
With dihydrogen peroxide In sodium hydroxide for 0.5h; <45 deg C;	85%

: 99-89-8
4-Isopropylphenol

: 2138-43-4
4-isopropylcatechol

Conditions

Conditions	Yield
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In N,N-dimethyl-formamide at 20 - 23℃; for 4h;	69%
Multi-step reaction with 2 steps 1: 40 percent / POCl3 / dimethylformamide / 1 h / Ambient temperature 2: 85 percent / 6percent H2O2 / aq. NaOH / 0.5 h / <45 deg C View Scheme
Stage #1: 4-Isopropylphenol In dichloromethane at 0 - 20℃; for 66h; Stage #2: With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 1h; Further stages.;

: 2,2-dichloro-5-isopropyl-benzo[1,3]dioxole

: 2138-43-4
4-isopropylcatechol

Conditions

Conditions	Yield
With water

: 18811-78-4
4,4'-(propane-2,2-diyl)bis(benzene-1,2-diol)

: 2138-43-4
4-isopropylcatechol

Conditions

Conditions	Yield
With Menthane; hydrogen; nickel at 180 - 230℃; under 14710.2 - 18387.7 Torr;

: 4132-76-7
1-isopropyl 3,4-dimethoxy benzene

: 2138-43-4
4-isopropylcatechol

Conditions

Conditions	Yield
With hydrogen iodide

: 120-80-9
benzene-1,2-diol

: 67-63-0
isopropyl alcohol

: 2138-43-4
4-isopropylcatechol

Conditions

Conditions	Yield
With sulfonated cation exchanger In toluene Heating;

: 2,2-dichloro-5-isopropyl-benzo[1,3]dioxole

: 7732-18-5
water

: 2138-43-4
4-isopropylcatechol

: 18811-78-4
4,4'-(propane-2,2-diyl)bis(benzene-1,2-diol)

menthane: menthane

hydrogen: hydrogen

nickel catalyst: nickel catalyst

A: 2138-43-4
4-isopropylcatechol

B: 120-80-9
benzene-1,2-diol

Conditions

Conditions	Yield
at 180 - 230℃; under 14710.2 - 18387.7 Torr;

...Expand

: 77-08-7
3,3,3',3'-tetramethyl-2,3,2',3'-tetrahydro-[1,1']spirobiindene-5,6,5',6'-tetraol

A: 2138-43-4
4-isopropylcatechol

B: 120-80-9
benzene-1,2-diol

C compound C12H16O2 of mp: 135 degree: compound C12H16O2 of mp: 135 degree

Conditions

Conditions	Yield
at 300℃;

...Expand

: 108303-53-3
5-(1-methylethyl)-1,3-benzodioxole

: 2138-43-4
4-isopropylcatechol

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: phosphorus pentachloride 2: water View Scheme

: 120-80-9
benzene-1,2-diol

: 67-63-0
isopropyl alcohol

A: 2138-43-4
4-isopropylcatechol

B: 2138-48-9
3-isopropylbenzene-1,2-diol

Conditions

Conditions	Yield
1-butyl-3-methylimidazolium heptachlorodiindate (III) at 100℃; for 3h; Product distribution / selectivity; In ionic liquid;

...Expand

: 99-89-8
4-Isopropylphenol

A: 2138-43-4
4-isopropylcatechol

B: 4-isopropyl-2-(4-isopropylphenoxy)phenol

C: 4-isopropyl-3-(4-isopropylphenoxy)phenol

Conditions

Conditions	Yield
With ammonium bicarbonate In water; acetonitrile at 37℃; Electrochemical reaction;

...Expand

: 2138-43-4
4-isopropylcatechol

: 106-89-8
epichlorohydrin

: 34646-52-1
1,1'-[(4-isopropyl-o-phenylene)dioxy]-bis-(2,3-epoxy-propane)

Conditions

Conditions	Yield
With sodium hydroxide; sodium carbonate In water	76%

: 2138-43-4
4-isopropylcatechol

: 534-07-6
1,3-Dichloroacetone

: 7-isopropyl-2H-1,5-benzodioxepin-3(4H)-one

Conditions

Conditions	Yield
With potassium carbonate; sodium iodide In acetone for 4h; Heating;	60%

: 2138-43-4
4-isopropylcatechol

: 7355-18-2
(2S,3S,4S,5R,6S)-3,4,5,6-Tetraacetoxy-tetrahydro-pyran-2-carboxylic acid methyl ester

: 117591-54-5
4-Isopropylbrenzcatechin-2-O-triacetyl-β-D-glucopyranosiduronsaeuremethylester

Conditions

Conditions	Yield
With toluene-4-sulfonic acid at 100 - 110℃; under 3 - 6 Torr; for 0.75h;	26%

: 2138-43-4
4-isopropylcatechol

: 98-88-4
benzoyl chloride

: 1,2-bis-benzoyloxy-4-isopropyl-benzene

Conditions

Conditions	Yield
With pyridine

: 2138-43-4
4-isopropylcatechol

: 77-78-1
dimethyl sulfate

: 4132-76-7
1-isopropyl 3,4-dimethoxy benzene

Conditions

Conditions	Yield
With potassium hydroxide

: 2138-43-4
4-isopropylcatechol

: 111-44-4
3-oxa-1,5-dichloropentane

A: 110912-22-6
4',5''-Di-isopropyldibenzo-18-crown-6

B: 110912-35-1
4',4''-Di-isopropyldibenzo-18-crown-6

Conditions

Conditions	Yield
With potassium hydroxide In toluene Title compound not separated from byproducts;

...Expand

: 2138-43-4
4-isopropylcatechol

: 54210-12-7
4-Isopropyl-o-benzochinon

Conditions

Conditions	Yield
With cerium (IV) sulfate; sulfuric acid In chloroform
With sodium periodate In dichloromethane; water at 20 - 23℃; for 1h;

: 2138-43-4
4-isopropylcatechol

: 117591-56-7
4-Isopropylbrenzcatechin-2-O-β-D-glucopyranosiduronsaeure

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 26 percent / TsOH*H2O / 0.75 h / 100 - 110 °C / 3 - 6 Torr 2: 85 percent / NaOH / H2O / 0.5 h View Scheme

: 2138-43-4
4-isopropylcatechol

: 117591-55-6
4-Isopropylbrenzcatechin-2-O-β-D-glucopyranosiduronsaeuremethylester

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 26 percent / TsOH*H2O / 0.75 h / 100 - 110 °C / 3 - 6 Torr 2: 88 percent / Na, MeOH / 3 h / 20 °C View Scheme

: 2138-43-4
4-isopropylcatechol

: 108-24-7
acetic anhydride

: 1039065-26-3
4-isopropylphenylene-1,2-diacetate

Conditions

Conditions	Yield
With pyridine at 20℃;

: 2138-43-4
4-isopropylcatechol

: C15H14O3

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: sodium periodate / dichloromethane; water / 1 h / 20 - 23 °C 2: oxygen; copper(l) chloride; 4-methoxypyridine / dichloromethane / 20 - 23 °C / 1520.1 Torr / Molecular sieve View Scheme

4-ISOPROPYLCATECHOL Chemical Properties

Product Name: 4-Isopropylcatechol (CAS NO.2138-43-4)

Molecular Formula: C₉H₁₂O₂
Molecular Weight: 152.19g/mol
Mol File: 2138-43-4.mol
Einecs: 218-384-5
Boiling point: 271 °C at 760 mmHg
Flash Point: 129.2 °C
Density: 1.116 g/cm³
Surface Tension: 44.5 dyne/cm
Enthalpy of Vaporization: 52.97 kJ/mol
Vapour Pressure: 0.00399 mmHg at 25°C
XLogP3: 2.1
H-Bond Donor: 2
H-Bond Acceptor: 2
Product Categories: Aromatic Phenols

4-ISOPROPYLCATECHOL Toxicity Data With Reference

1.		skn-man 1%/48H		BJDEAZ British Journal of Dermatology. 94 (1976),687.
2.		ivn-mus LD50:56 mg/kg		CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#07862 .

4-ISOPROPYLCATECHOL Safety Profile

Poison by intravenous route. A human skin irritant. When heated to decomposition it emits acrid smoke and fumes.

4-ISOPROPYLCATECHOL Specification

4-Isopropylcatechol ,its CAS NO. is 2138-43-4,the synonyms is 4-Isopropylcatechol ; 4-(1-Methylethyl)-2-benzenediol ; 4-Isopropyl-pyrocatecho ; Pyrocatechol, 4-isopropyl- ; 4-Isopropylpyrocatechol ; Para-isopropylcatechol ; 4-Isopropyl-1,2-benzenediol .

Product Name

4-ISOPROPYLCATECHOL

Synthetic route

4-ISOPROPYLCATECHOL Chemical Properties

4-ISOPROPYLCATECHOL Toxicity Data With Reference

4-ISOPROPYLCATECHOL Safety Profile

4-ISOPROPYLCATECHOL Specification

Related Products

Hot Products