2,2,4-TRIMETHYL-1,3-PENTANEDIOL supplier

Name
2,2,4-Trimethyl-1,3-pentanediol
EINECS 205-619-1
CAS No. 144-19-4
Article Data44
CAS DataBase
Density 0.935 g/cm³
Solubility 31.5g/L at 20℃
Melting Point 50-53 °C(lit.)
Formula C₈H₁₈O₂
Boiling Point 231.999 °C at 760 mmHg
Molecular Weight 146.23
Flash Point 92.667 °C
Transport Information
Appearance white crystalline powder
Safety 26-37/39
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms 2,2,4-Trimethyl-1,3-pentanediol;NSC 6368;Nexcoat 795;TMPD (alcohol);
PSA 40.46000
LogP 1.02180

Synthetic route

: 77-68-9
texanol

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 6846-50-0
2,2,4-trimethyl-1,3-pentanediol diisobutyrate

Conditions

Conditions	Yield
With Cr2O3/SO42 solid acid catalyst at 160℃; for 6h; Reagent/catalyst; Temperature;	A n/a B 93%

: 78-84-2
isobutyraldehyde

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

Conditions

Conditions	Yield
With nickel In sodium hydroxide at 20℃; Electrochemical reaction;	92%
With sodium hydroxide
With calcium hydroxide

: 74-85-1
ethene

: 78-84-2
isobutyraldehyde

: 2,4-dimethyl-1,3-pentane diol

B: 144-19-4
2,2,4-trimethylpentan-1,3-diol

C: 3876-46-8, 3876-47-9, 60712-38-1, 82335-99-7, 97906-32-6, 98391-91-4, 103729-84-6, 103729-88-0, 129262-73-3
(2R,3S)-2,4-dimethyl-1,3-pentane diol

Conditions

Conditions	Yield
Stage #1: ethene; isobutyraldehyde With carbon monoxide; hydrogen; triphenylphosphine; acetylacetonatodicarbonylrhodium(l); L-proline In N,N-dimethyl-formamide at 5℃; under 22502.3 Torr; for 48h; Stage #2: With sodium tetrahydroborate In methanol; N,N-dimethyl-formamide at 0℃; for 0.666667h; Further stages.;	A n/a B n/a C 76%

...Expand

: 221319-52-4
7-Isopropyl-8,8-dimethyl-8,9-dihydro-7H-6,10-dioxabenzocyclononene-5,11-dione

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

Conditions

Conditions	Yield
	48%

: 16889-18-2
5,5-dimethyl-2,6-bis(propan-2-yl)-1,3-dioxan-4-ol

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

Conditions

Conditions	Yield
With water; nickel at 50 - 85℃; Hydrogenation;
With hydrogen; chromium nickel
Multi-step reaction with 2 steps 1: aqueous acetic acid / Abdestillieren des entstehenden Isobutyraldehyds 2: Raney nickel; water / 125 - 165 °C / Hydrogenation View Scheme

: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

Conditions

Conditions	Yield
With sodium amalgam; ethanol; sulfuric acid
With water; nickel at 125 - 165℃; Hydrogenation;

: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 79-31-2
isobutyric Acid

Conditions

Conditions	Yield
With potassium hydroxide zuletzt bei Siedetemperatur;

: 78-84-2
isobutyraldehyde

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

Conditions

Conditions	Yield
With potassium hydroxide

: 563-47-3
3-Chloro-2-methylpropene

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

Conditions

Conditions	Yield
With sodium hydroxide at 200℃;
With water; calcium carbonate at 150℃; under 40452.9 Torr;

: 7403-65-8
ethyl 2,2,4-trimethyl-3-hydroxyvalerate

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

Conditions

Conditions	Yield
With lithium aluminium tetrahydride

: 6846-50-0
2,2,4-trimethyl-1,3-pentanediol diisobutyrate

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

Conditions

Conditions	Yield
With sodium hydroxide In methanol

: sodium amide

: 78-84-2
isobutyraldehyde

: 74-86-2
acetylene

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 565-68-4
4-methylpent-1-yn-3-ol

C: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

Conditions

Conditions	Yield
at 20 - 25℃;

...Expand

: 60-29-7
diethyl ether

: sodium amide

: 78-84-2
isobutyraldehyde

: 74-86-2
acetylene

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 565-68-4
4-methylpent-1-yn-3-ol

C: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

D isobutyl alcohol(?): isobutyl alcohol(?)

Conditions

Conditions	Yield
at 20 - 25℃;

...Expand

2.2.4-trimethyl-pentanediol-(1.3)-isobutyrate-(1): 2.2.4-trimethyl-pentanediol-(1.3)-isobutyrate-(1)

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

Conditions

Conditions	Yield
durch Verseifen;
With alkaline solution

: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

KOH-solution: KOH-solution

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 64-17-5
ethanol

: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

: 7664-93-9
sulfuric acid

sodium amalgam: sodium amalgam

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

...Expand

: 35763-45-2
2,2,4-trimethyl-3-hydroxyvaleric acid

alcoholic KOH-solution: alcoholic KOH-solution

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 79-31-2
isobutyric Acid

...Expand

: 77-68-9
texanol

alcoholic potash: alcoholic potash

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 79-31-2
isobutyric Acid

...Expand

: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

aqueous methanolic KOH: aqueous methanolic KOH

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 79-31-2
isobutyric Acid

Conditions

Conditions	Yield
at 25℃;

...Expand

: 43079-80-7
3-(α-hydroxy-isobutoxy)-2,2,4-trimethyl-valeraldehyde

ethanolic KOH-solution: ethanolic KOH-solution

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 79-31-2
isobutyric Acid

...Expand

: 5333-89-1
2,4-dihydroxy-3,3,5-trimethyl-hexanenitrile

KOH-solution: KOH-solution

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 74-90-8
hydrogen cyanide

C: 79-31-2
isobutyric Acid

...Expand

: 933-52-8
2,2,4,4-tetramethyl-1,3-cyclobutanedione

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 15904-30-0
2,2,4-trimethyl-3-oxo-1-pentanol

: cis-2,2,4,4-tetramethylcyclobutane-1,3-diol

: trans-2,2,4,4-tetramethylcyclobutane-1,3-diol

E: 4916-59-0
3-hydroxy-2,2,4,4-tetramethylcyclobutane-1-one

Conditions

Conditions	Yield
With hydrogen; A280 cobalt on alumina catalyst In isobutyl isobutanoate at 165℃; under 25877.6 - 75007.5 Torr; for 2h; Product distribution / selectivity;
With hydrogen; A280 cobalt on alumina catalyst promoted with Ir(OAc)x In isobutyl isobutanoate at 135 - 165℃; under 25877.6 - 75007.5 Torr; for 2h; Product distribution / selectivity;
With hydrogen; G-96B-RS 62percent nickel on kieselguhr catalyst In isobutyl isobutanoate at 160℃; under 46504.7 Torr; for 3h; Product distribution / selectivity;

...Expand

: 933-52-8
2,2,4,4-tetramethyl-1,3-cyclobutanedione

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: cis-2,2,4,4-tetramethylcyclobutane-1,3-diol

: trans-2,2,4,4-tetramethylcyclobutane-1,3-diol

D: 4916-59-0
3-hydroxy-2,2,4,4-tetramethylcyclobutane-1-one

Conditions

Conditions	Yield
With hydrogen; G-67A 20percent cobalt on silica catalyst In isobutyl isobutanoate at 135℃; under 25877.6 Torr; for 2h; Product distribution / selectivity;
With hydrogen; cesium-promoted copper on silica catalyst In isobutyl isobutanoate at 135℃; under 75007.5 Torr; for 2h; Product distribution / selectivity;

...Expand

: 933-52-8
2,2,4,4-tetramethyl-1,3-cyclobutanedione

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 15904-30-0
2,2,4-trimethyl-3-oxo-1-pentanol

: cis-2,2,4,4-tetramethylcyclobutane-1,3-diol

: trans-2,2,4,4-tetramethylcyclobutane-1,3-diol

Conditions

Conditions	Yield
With hydrogen; chromium-promoted KL2015-T5 copper on zinc oxide catalyst In isobutyl isobutanoate at 135℃; under 25877.6 - 75007.5 Torr; for 2h; Product distribution / selectivity;

...Expand

: 933-52-8
2,2,4,4-tetramethyl-1,3-cyclobutanedione

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: cis-2,2,4,4-tetramethylcyclobutane-1,3-diol

: trans-2,2,4,4-tetramethylcyclobutane-1,3-diol

Conditions

Conditions	Yield
With hydrogen; cesium-promoted copper on silica catalyst In isobutyl isobutanoate at 165℃; under 25877.6 - 75007.5 Torr; for 2h; Product distribution / selectivity;
With hydrogen; chromium-promoted KL2015-T5 copper on zinc oxide catalyst In isobutyl isobutanoate at 135 - 165℃; under 75007.5 Torr; for 2h; Product distribution / selectivity;

...Expand

: trans-2,2,4,4-tetramethylcyclobutane-1,3-diol

A: 123-44-4
2,2,4-trimethyl-1-pentanol

B: 144-19-4
2,2,4-trimethylpentan-1,3-diol

C: 5162-48-1
2,2,4-trimethyl-3-pentanol

D: 600-36-2
2,4-dimethyl-3-pentanol

: cis-2,2,4,4-tetramethylcyclobutane-1,3-diol

Conditions

Conditions	Yield
With isobutyl isobutanoate; 5 % platinum on carbon at 50 - 200℃; under 5250.53 - 21002.1 Torr; Product distribution / selectivity; Inert atmosphere;

...Expand

: 78-84-2
isobutyraldehyde

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 77-68-9
texanol

C: 6846-50-0
2,2,4-trimethyl-1,3-pentanediol diisobutyrate

D: 18491-15-1
2-methylpropionic acid 3-hydroxy-2,2-dimethyl-1-(1-methylethyl)propyl ester

E: 79-31-2
isobutyric Acid

Conditions

Conditions	Yield
With sodium hydroxide In water at 60℃; for 4h; Concentration; Overall yield = 63.6 %Chromat.;

...Expand

: 78-84-2
isobutyraldehyde

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

C: 77-68-9
texanol

D: 18491-15-1
2-methylpropionic acid 3-hydroxy-2,2-dimethyl-1-(1-methylethyl)propyl ester

E: 79-31-2
isobutyric Acid

Conditions

Conditions	Yield
Stage #1: isobutyraldehyde With sodium hydroxide at 60℃; for 4h; Stage #2: With hydrogenchloride Concentration; Overall yield = 59.3 %Chromat.;

...Expand

: 78-84-2
isobutyraldehyde

A: 144-19-4
2,2,4-trimethylpentan-1,3-diol

B: 77-68-9
texanol

C: 18491-15-1
2-methylpropionic acid 3-hydroxy-2,2-dimethyl-1-(1-methylethyl)propyl ester

D: 79-31-2
isobutyric Acid

Conditions

Conditions	Yield
Stage #1: isobutyraldehyde With sodium hydroxide at 60℃; for 4h; Stage #2: With hydrogenchloride Concentration; Overall yield = 85.4 %Chromat.;

...Expand

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 15904-30-0
2,2,4-trimethyl-3-oxo-1-pentanol

Conditions

Conditions	Yield
With tert.-butylhydroperoxide; [π-C5H5N(+)(CH2)15CH3]3(PMo12O40)(3-) In benzene for 24h; Heating;	100%
With dihydrogen peroxide In water; tert-butyl alcohol at 80℃; for 12h; chemoselective reaction;	99%
With iron(III) chloride; 1,1,1,3',3',3'-hexafluoro-propanol; oxygen; nitric acid at 20℃; for 5h; Catalytic behavior;	96%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 98-88-4
benzoyl chloride

: 2,2,4-trimethyl-1,3-pentanediol monobenzoate

Conditions

Conditions	Yield
With dmap; triethylamine In dichloromethane at 0℃; for 2h; Inert atmosphere;	100%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

Conditions

Conditions	Yield
With 1-methyl-1H-imidazole; tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate; 4,4'-Dimethoxy-2,2'-bipyridin; 9-azabicyclo[3.3.1]nonane N-oxyl; oxygen In acetonitrile at 20℃; for 0.5h;	98%
With 1‐methyl‐2‐azaadamantane‐N‐oxyl; sodium hypochlorite; tetrabutylammomium bromide; sodium hydrogencarbonate; potassium bromide In dichloromethane; water at 0℃; for 0.333333h;	96%
With sodium hypochlorite; 1,5-dimethyl-9-azanoradamantane N-oxyl; tetrabutylammomium bromide; sodium hydrogencarbonate; potassium bromide In dichloromethane; water at 0℃; for 0.333333h; Reagent/catalyst; Inert atmosphere;	96%

: 4-(4-t-butylphenylsulphinyl)acetophenone

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: C26H36O3S

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In toluene at 105℃; for 7h; Inert atmosphere;	98%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 107-92-6
butyric acid

: C17H32O4

Conditions

Conditions	Yield
With potassium dihydrogenphosphate; sodium hydrogensulfate monohydrate at 160℃; for 8h; Reagent/catalyst; Inert atmosphere;	97%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 67373-56-2
chlorodimethyl(1,1,2-trimethylpropyl)silane

: 1061244-98-1
dimethyl(3-hydroxy-2,2,4-trimethylpentyloxy)(1,1,2-trimethylpropyl)silane

Conditions

Conditions	Yield
With 1-methyl-1H-imidazole; iodine In dichloromethane at 20℃; for 0.0833333h;	96%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 563-47-3
3-Chloro-2-methylpropene

: 526218-21-3
1-(2-methyl-2-propenyloxy)-2,2,4-trimethylpentan-3-ol

Conditions

Conditions	Yield
Stage #1: 2,2,4-trimethylpentan-1,3-diol With sodium hydroxide; tetrabutylammomium bromide In water at 50℃; Stage #2: 3-Chloro-2-methylpropene In water at 100℃; for 3.83333h;	94.1%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 579-43-1
(1S,2R)-1,2-diphenylethane-1,2-diol

: 24571-18-4
4-isopropyl-5,5-dimethyl-2-phenyl-1,3-dioxane

Conditions

Conditions	Yield
With PTAB; N-benzyl-N,N,N-triethylammonium chloride; antimony(III) bromide In dimethyl sulfoxide at 20℃; for 61h;	94%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 106-95-6
allyl bromide

: 5511-07-9
1,3-bis(allyloxy)-2,2,4-trimethylpentane

Conditions

Conditions	Yield
Stage #1: 2,2,4-trimethylpentan-1,3-diol With sodium hydride In tetrahydrofuran at 0℃; for 0.166667h; Inert atmosphere; Stage #2: allyl bromide In tetrahydrofuran at 20℃; Inert atmosphere; Reflux;	93%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 35763-45-2
2,2,4-trimethyl-3-hydroxyvaleric acid

Conditions

Conditions	Yield
With sodium hypochlorite; sodium chlorite; 1,5-dimethyl-9-azanoradamantane N-oxyl In aq. phosphate buffer; acetonitrile at 25℃; for 7h; pH=6.8; Catalytic behavior; Reagent/catalyst;	92%
With potassium permanganate; water

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

A: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

B: 1482-01-5
3-oxo-2,2,4-trimetheyl-1-pentanal

Conditions

Conditions	Yield
With sodium hypochlorite; C9H14NO; tetrabutylammomium bromide; sodium hydrogencarbonate; potassium bromide In dichloromethane; water at 0℃; for 0.333333h; Inert atmosphere;	A 92% B 6%
With sodium hypochlorite; 1,5-dimethyl-9-azanoradamantane N-oxyl; tetrabutylammomium bromide; sodium hydrogencarbonate; potassium bromide In dichloromethane; water at 0℃; for 0.333333h;	A 69% B 17%

: 186581-53-3, 908094-01-9
diazomethane

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 67498-08-2
methyl 3-hydroxy-2,2,4-trimethylpentanoate

Conditions

Conditions	Yield
Stage #1: 2,2,4-trimethylpentan-1,3-diol With sodium hypochlorite; sodium chlorite; 1,5-dimethyl-9-azanoradamantane N-oxyl In aq. phosphate buffer; water; acetonitrile for 7h; pH=6.8; Inert atmosphere; Stage #2: diazomethane In diethyl ether Reagent/catalyst; Inert atmosphere;	92%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 1439-07-2
trans-Stilbene oxide

: 24571-18-4
4-isopropyl-5,5-dimethyl-2-phenyl-1,3-dioxane

Conditions

Conditions	Yield
With PTAB; N-benzyl-N,N,N-triethylammonium chloride; antimony(III) bromide In dimethyl sulfoxide at 20℃; for 46h;	91%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 65-85-0
benzoic acid

: 68052-23-3
2,2,4-Trimethyl-1,3-pentanediol Dibenzoate

Conditions

Conditions	Yield
With H2SO4/TiO2-La2O3-solid acid catalyst In dibutyl ether at 170 - 180℃; for 10h;	90.5%

: 1694-31-1
tert-butyl acetoacetate

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 58213-74-4
2,2,4-Trimethylpentane-1,3-diol bisacetoacetate

Conditions

Conditions	Yield
In xylene for 0.5h; Heating;	87%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 108-24-7
acetic anhydride

: 4100-09-8
1,3-diacetoxy-2,2,4-trimethyl-pentane

Conditions

Conditions	Yield
bismuth(lll) trifluoromethanesulfonate In acetonitrile at 20℃; for 1h;	87%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 1482-01-5
3-oxo-2,2,4-trimetheyl-1-pentanal

Conditions

Conditions	Yield
With sodium hypochlorite; 1-methyl-2-azaadamantane-N-oxyl; tetrabutylammomium bromide; potassium bromide In dichloromethane; sodium hydrogencarbonate at 0℃; for 0.333333h;	87%
With 1‐methyl‐2‐azaadamantane‐N‐oxyl; sodium hypochlorite; tetrabutylammomium bromide; sodium hydrogencarbonate; potassium bromide In dichloromethane; water at 0℃; for 0.333333h;	87%
With sodium hypochlorite; 3-methyl-4-oxa-5-azahomoadamantane; sodium hydrogencarbonate; potassium bromide In dichloromethane; water at 0℃; for 0.333333h; Inert atmosphere;	84%
With polystyrene-supported oxorhenium catalyst activated by iPrOH; dimethyl sulfoxide In toluene for 15h; Heating; Dean-Stark apparatus;	82%
With sodium hypochlorite; C8H12NO; tetrabutylammomium bromide; sodium hydrogencarbonate; potassium bromide In dichloromethane; water at 0℃; for 0.333333h; Inert atmosphere;	72%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 59346-56-4
3-hydroxy-2,2,4-trimethylpentanenitrile

Conditions

Conditions	Yield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene; ammonium acetate In water; acetonitrile at 20℃; for 8h; chemoselective reaction;	87%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 6296-95-3
1,1,2-triphenyl-1,2-ethanediol

A: 119-61-9
benzophenone

B: 24571-18-4
4-isopropyl-5,5-dimethyl-2-phenyl-1,3-dioxane

Conditions

Conditions	Yield
With PTAB; N-benzyl-N,N,N-triethylammonium chloride; antimony(III) bromide In dimethyl sulfoxide at 20℃; for 42h;	A 86% B 84%

...Expand

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 947-42-2
diphenylsilanediol

: 11113-50-1
boric acid

: 255849-43-5
(C6H5)2Si(OBO2C3H3(CH3)2CH(CH3)2)2

Conditions

Conditions	Yield
In toluene byproducts: H2O; inert atmosphere; refluxing (8 h); evapn., hexanes addn., filtering, pptn. on concg. (-22°C, severalh); elem. anal.;	85.2%

...Expand

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 79-30-1
isobutyryl chloride

: 6846-50-0
2,2,4-trimethyl-1,3-pentanediol diisobutyrate

Conditions

Conditions	Yield
With zinc(II) chloride In dichloromethane at 0 - 40℃; Molecular sieve;	85.2%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 949913-33-1
2-(4-bromomethyl-2-methoxyphenyl)benzothiazole

: 1225265-83-7
1-[4-(benzothiazol-2-yl)-3-methoxybenzyloxyl]-2,2,4-trimethylpentan-3-ol

Conditions

Conditions	Yield
Stage #1: 2,2,4-trimethylpentan-1,3-diol With sodium hydride In tetrahydrofuran at 0 - 20℃; for 0.666667h; Inert atmosphere; Stage #2: 2-(4-bromomethyl-2-methoxyphenyl)benzothiazole In tetrahydrofuran; N,N-dimethyl-formamide at 0 - 20℃; for 2h; Williamson synthesis; Inert atmosphere;	85%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 616-38-6
carbonic acid dimethyl ester

A: 67-56-1
methanol

B: 32368-14-2
4-isopropyl-5,5-dimethyl-[1,3]dioxan-2-one

Conditions

Conditions	Yield
zinc(II) acetylacetonate at 20 - 155℃; for 10.5h; Product distribution / selectivity; Neat (no solvent); Reflux/azeotropic distillation;	A n/a B 84.9%
zinc diacetate at 20 - 155℃; for 12.5h; Product distribution / selectivity; Neat (no solvent); Reflux/azeotropic distillation;	A n/a B 81.3%
tin(II) octanoate at 20 - 155℃; for 18h; Product distribution / selectivity; Neat (no solvent); Reflux/azeotropic distillation;	A n/a B 78.2%
zinc stearate at 20 - 155℃; for 18h; Product distribution / selectivity; Neat (no solvent); Reflux/azeotropic distillation;	A n/a B 73.5%

...Expand

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

A: 918-79-6
3-hydroxy-2,2,4-trimethyl-pentanal

B: 35763-45-2
2,2,4-trimethyl-3-hydroxyvaleric acid

Conditions

Conditions	Yield
With sodium hypochlorite; 1,5-dimethyl-9-azanoradamantane N-oxyl; tetrabutylammomium bromide; sodium hydrogencarbonate; potassium bromide In dichloromethane; water at 0℃; for 0.333333h; Reagent/catalyst; Inert atmosphere;	A 81% B 6%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 1104-93-4
1,1,3,3-tetraphenyldisiloxane-1,3-diol

: 11113-50-1
boric acid

: 255849-48-0
O(Si(C6H5)2OBO2C3H3(CH3)2CH(CH3)2)2

Conditions

Conditions	Yield
In not given byproducts: H2O; inert atmosphere; elem. anal.;	80%

...Expand

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: 80812-98-2, 95115-80-3, 99835-52-6, 103228-82-6
trans-2-chloro-4-isopropyl-5,5-dimethyl-1,3,2-dioxaphosphorinane

Conditions

Conditions	Yield
With triethylamine; phosphorus trichloride In benzene for 4h; Ambient temperature;	76%
With triethylamine; phosphorus trichloride In diethyl ether for 2h; Ambient temperature;	71%

: 144-19-4
2,2,4-trimethylpentan-1,3-diol

: C16H32O4Si

Conditions

Conditions	Yield
With silica gel; sodium hydroxide for 24h; Reagent/catalyst; Inert atmosphere;	73%

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Chemical Properties

Molecular Formula: C₈H₁₈O₂

Formula Weight: 146.23
mp : 50-53 ^°C(lit.)
bp : 232 ^°C(lit.)
density : 0,937 g/cm³
Fp : >230 ^°F
Flash Point: 125 °C ( 257.00 ^°F)
Vapor Pressure: 28 mbar @ 129 ^°C
Viscosity: 19.6 mPas 60 ^°C
Solubility in water: soluble in alcohol, acetone, ether, benz
Physical State of 2,2,4-TRIMETHYL-1,3-PENTANEDIOL (144-19-4): Crystalline Solid
Color of 2,2,4-TRIMETHYL-1,3-PENTANEDIOL (144-19-4) : white

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Uses

2,2,4-TRIMETHYL-1,3-PENTANEDIOL (144-19-4) is mainly used in the manufacture of polyester resin, coating with alkyd resin, and also used for synthetic ester in coatings, plastic as plasticizers, etc.

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Toxicity Data With Reference

1.	skn-rbt 9370 µg/24H open MLD	AIHAAP American Industrial Hygiene Association Journal. 23 (1962),95.
2.	orl-rat LDLo:2000 mg/kg	KODAK* Kodak Company Reports .(Rochester, NY.: ),1971.
3.	ipr-rat LDLo:800 mg/kg	TXAPA9 Toxicology and Applied Pharmacology. 29 (1974),87.
4.	ivn-rat LDLo:145 mg/kg	TXAPA9 Toxicology and Applied Pharmacology. 29 (1974),87.
5.	orl-mus LDLo:2200 mg/kg	KODAK* Kodak Company Reports .(Rochester, NY.: ),1971.
6.	ipr-mus LDLo:800 mg/kg	TXAPA9 Toxicology and Applied Pharmacology. 29 (1974),87.
7.	ivn-mus LDLo:145 mg/kg	TXAPA9 Toxicology and Applied Pharmacology. 29 (1974),87.

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Consensus Reports

Reported in EPA TSCA Inventory.

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Safety Profile

Hazard Codes : Xi (Irritant)
Risk Statements : 36/37/38 (Irritating to eyes, respiratory system and skin)
Safety Statements : 26-37/39 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice; Wear suitable gloves and eye/face protection)
WGK Germany : 1
RTECS : SA1400000
Poison by intravenous route. Moderately toxic by ingestion and intraperitoneal routes. A skin irritant. An insect repellent. Combustible when exposed to heat or flame; can react with oxidizing materials. To fight fire, use CO₂, fog, mist, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Specification

Handling of 2,2,4-TRIMETHYL-1,3-PENTANEDIOL (144-19-4): Keep container tightly closed. Avoid ingestion and inhalation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation.
Storage of 2,2,4-TRIMETHYL-1,3-PENTANEDIOL (144-19-4): Store in a cool, dry, well-ventilated area away from
incompatible substances. Store in a tightly closed container. Keep container closed when not in use.

Product Name

2,2,4-Trimethyl-1,3-pentanediol

Synthetic route

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Chemical Properties

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Uses

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Toxicity Data With Reference

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Consensus Reports

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Safety Profile

2,2,4-TRIMETHYL-1,3-PENTANEDIOL Specification

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