Product Name

  • Name

    Hexylene Glycol

  • EINECS 203-489-0
  • CAS No. 107-41-5
  • Article Data50
  • CAS DataBase
  • Density 0.922 g/cm3
  • Solubility Soluble in water
  • Melting Point -40 °C(lit.)
  • Formula C6H14O2
  • Boiling Point 197.5 °C at 760 mmHg
  • Molecular Weight 118.176
  • Flash Point 93.9 °C
  • Transport Information
  • Appearance Oily colorless liquid with a mild sweet odor
  • Safety 26-36
  • Risk Codes 36/38
  • Molecular Structure Molecular Structure of 107-41-5 (Hexylene Glycol)
  • Hazard Symbols IrritantXi
  • Synonyms 1,1,3-Trimethyltrimethylenediol;2,4-Dihydroxy-2-methylpentane;Diolane;Hexylene glycol;Isol;NSC 8098;a,a,a'-Trimethyltrimethylene glycol;2-Methyl-2,4-pentanediol;
  • PSA 40.46000
  • LogP 0.52820

Synthetic route

4-Hydroxy-4-methyl-2-pentanone
123-42-2

4-Hydroxy-4-methyl-2-pentanone

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Conditions
ConditionsYield
With hydrogen In water at 120℃; under 7500.75 Torr; for 3h; Reagent/catalyst; Temperature; Pressure; Solvent;100%
With sodium tetrahydroborate In methanol at 0 - 20℃; for 1h;83%
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 3h;53%
2,2-Diisopropyl-4,4,6-trimethyl-[1,3,2]dioxasilinane
85272-42-0

2,2-Diisopropyl-4,4,6-trimethyl-[1,3,2]dioxasilinane

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Conditions
ConditionsYield
With hydrogen fluoride In acetonitrile at 25℃; for 0.25h;95%
7,7,9-Trimethyl-5,8,9,11-tetrahydro-7H-6,10-dioxa-benzocyclononene
127392-17-0

7,7,9-Trimethyl-5,8,9,11-tetrahydro-7H-6,10-dioxa-benzocyclononene

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Conditions
ConditionsYield
With hydrogen; palladium hydroxide - carbon In ethanol under 760 Torr;89%
2,4-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methyl-pentane

2,4-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methyl-pentane

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Conditions
ConditionsYield
With low-loading and alkylated polystyrene-supported-SO3H In water at 40℃; for 12h;89%
2,2-Di-tert-butyl-4,4,6-trimethyl-[1,3,2]dioxasilinane
85272-43-1

2,2-Di-tert-butyl-4,4,6-trimethyl-[1,3,2]dioxasilinane

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Conditions
ConditionsYield
With hydrogen fluoride In acetonitrile at 25℃; for 12h;88%
4-Methoxymethoxy-2-methyl-pentan-2-ol
89449-96-7

4-Methoxymethoxy-2-methyl-pentan-2-ol

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Conditions
ConditionsYield
With (i-PrS)BBr In dichloromethane at -78℃;70%
titanium(IV) tert-butoxide
3087-39-6

titanium(IV) tert-butoxide

acetaldehyde
75-07-0

acetaldehyde

A

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

(2S,6S)-4-Methyl-heptane-2,4,6-triol

(2S,6S)-4-Methyl-heptane-2,4,6-triol

Conditions
ConditionsYield
With lithium perchlorate; MANDELIC ACID at 20℃; for 24h;A 51%
B 8%
titanium(IV) tert-butoxide
3087-39-6

titanium(IV) tert-butoxide

acetaldehyde
75-07-0

acetaldehyde

A

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

B

(2S,6R)-4-Methyl-heptane-2,4,6-triol

(2S,6R)-4-Methyl-heptane-2,4,6-triol

(2S,6S)-4-Methyl-heptane-2,4,6-triol

(2S,6S)-4-Methyl-heptane-2,4,6-triol

Conditions
ConditionsYield
With lithium perchlorate; MANDELIC ACID at 20℃; for 24h;A 2%
B 43%
C 8%
4-Hydroxy-4-methyl-2-pentanone
123-42-2

4-Hydroxy-4-methyl-2-pentanone

A

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

B

2-methylpentan-2-ol
590-36-3

2-methylpentan-2-ol

Conditions
ConditionsYield
bei der elektrolytischen Reduktion;
acetone
67-64-1

acetone

A

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

B

2,3-dimethyl-2,3-butane diol
76-09-5

2,3-dimethyl-2,3-butane diol

Conditions
ConditionsYield
With amalgamated magnesium
2-methyl-3,4-pentadien-2-ol
34761-53-0

2-methyl-3,4-pentadien-2-ol

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Conditions
ConditionsYield
(i) Hg(OAc)2, H2O, (ii) NaBH4; Multistep reaction;
1.3-butanediol
18826-95-4, 107-88-0

1.3-butanediol

2,2,4,4,6-Pentamethyl-1,3-dioxa-2-silacyclohexane
77181-39-6

2,2,4,4,6-Pentamethyl-1,3-dioxa-2-silacyclohexane

A

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

B

2,2,4-Trimethyl-1,3-dioxa-2-silacyclohexane
14903-76-5

2,2,4-Trimethyl-1,3-dioxa-2-silacyclohexane

Conditions
ConditionsYield
boron trifluoride diethyl etherate In 1,4-dioxane at 20℃;A n/a
B 21 % Chromat.
acetaldehyde
75-07-0

acetaldehyde

isobutene
115-11-7

isobutene

A

4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

B

2,4,4,6-tetramethyl-1,3-dioxane
5182-37-6

2,4,4,6-tetramethyl-1,3-dioxane

C

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

D

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

E

2,4,4-trimethyl-1,3-dioxane
29879-84-3

2,4,4-trimethyl-1,3-dioxane

Conditions
ConditionsYield
With formaldehyd; sulfuric acid In various solvent(s) at 70℃; for 4.33333h; Product distribution; var. time, steel bomb;A 5.6 mmol
B 8.5 mmol
C n/a
D n/a
E 16.4 mmol
4-hydroperoxy 2-methylpentane
54942-19-7

4-hydroperoxy 2-methylpentane

A

Methyl isobutyl carbinol
108-11-2

Methyl isobutyl carbinol

B

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

C

octanol
111-87-5

octanol

D

2-methyl-1,4-pentanediol
6287-17-8

2-methyl-1,4-pentanediol

Conditions
ConditionsYield
With lithium aluminium tetrahydride; octane; manganese(II) stearate 1.) 125 deg C, 10 h, 2.) THF, reflux, 1 h; Yield given. Multistep reaction. Yields of byproduct given;
furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

acetone
67-64-1

acetone

PtO2

PtO2

A

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

B

isopropyl alcohol
67-63-0

isopropyl alcohol

Conditions
ConditionsYield
pH 11.9.Hydrogenation;
2,4,4,6-tetramethyl-1,3-dioxane
5182-37-6

2,4,4,6-tetramethyl-1,3-dioxane

A

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

B

4-methoxy-4-methoxy-pentan-2-ol

4-methoxy-4-methoxy-pentan-2-ol

Conditions
ConditionsYield
With methanol; sulfuric acid
4-Hydroxy-4-methyl-2-pentanone
123-42-2

4-Hydroxy-4-methyl-2-pentanone

sodium amalgam

sodium amalgam

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

4-Hydroxy-4-methyl-2-pentanone
123-42-2

4-Hydroxy-4-methyl-2-pentanone

copper chromite

copper chromite

A

Methyl isobutyl carbinol
108-11-2

Methyl isobutyl carbinol

B

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

C

isopropyl alcohol
67-63-0

isopropyl alcohol

D

acetone
67-64-1

acetone

Conditions
ConditionsYield
at 150℃; Hydrogenation;
4-Hydroxy-4-methyl-2-pentanone
123-42-2

4-Hydroxy-4-methyl-2-pentanone

nickel

nickel

A

Methyl isobutyl carbinol
108-11-2

Methyl isobutyl carbinol

B

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

C

isopropyl alcohol
67-63-0

isopropyl alcohol

D

acetone
67-64-1

acetone

Conditions
ConditionsYield
Hydrogenation;
ethylidene diacetate
542-10-9

ethylidene diacetate

isobutene
115-11-7

isobutene

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Conditions
ConditionsYield
Stage #1: ethylidene diacetate; isobutene With tin(IV) chloride In nitromethane at -10 - 20℃; for 1h; Addition; Salt formation;
Stage #2: With water Hydrolysis;
Stage #3: With potassium hydroxide In ethanol for 0.75h; Hydrolysis; Heating;
C6H13ClMg

C6H13ClMg

A

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

B

aqueous KOH-solution

aqueous KOH-solution

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) O2, 2.) aq. H2SO4 / 1.) diethyl ether, -65 deg C
2: 1.) n-octane, manganese stearate, 2.) LiAlH4 / 1.) 125 deg C, 10 h, 2.) THF, reflux, 1 h
View Scheme
4,4,6-trimethyl-1,3-dioxane-2-one
27700-00-1

4,4,6-trimethyl-1,3-dioxane-2-one

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Conditions
ConditionsYield
With potassium carbonate In methanol at 23℃;9.1 mg
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

2-benzyloxycarbonyl-3-trifluoromethyl-4-ethyl-5-formylpyrrole
94609-22-0

2-benzyloxycarbonyl-3-trifluoromethyl-4-ethyl-5-formylpyrrole

2-benzyloxycarbonyl-3-trifluoromethyl-4-ethyl-5-(4',4',6'-trimethyl-1',3'-dioxane-2'-yl)pyrrole
594859-48-0

2-benzyloxycarbonyl-3-trifluoromethyl-4-ethyl-5-(4',4',6'-trimethyl-1',3'-dioxane-2'-yl)pyrrole

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene for 1h; Heating;100%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

4,4,6-trimethyl-1,3,2-dioxaborinane
10199-14-1, 23894-82-8

4,4,6-trimethyl-1,3,2-dioxaborinane

Conditions
ConditionsYield
With dimethylsulfide; borane In dichloromethane at 0 - 25℃;100%
With dimethylsulfide borane complex In dichloromethane at 0 - 20℃; for 3h;78%
With borane Ν,Ν-diethylaniline complex; palladium 10% on activated carbon In 1,4-dioxane at 20℃; for 1h; Inert atmosphere;75%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

[(CH3COCHCOCH3)2Al(μ-OCH(CH3)2)2Al(OCH(CH3)2)2]

[(CH3COCHCOCH3)2Al(μ-OCH(CH3)2)2Al(OCH(CH3)2)2]

[Al2(OCH(CH3)2)2(CH3COCHCOCH3)2(OC(CH3)2CH2CHCH3O)]
163462-30-4

[Al2(OCH(CH3)2)2(CH3COCHCOCH3)2(OC(CH3)2CH2CHCH3O)]

Conditions
ConditionsYield
In benzene byproducts: i-PrOH; moisture free; refluxing; solvent removal; elem. anal.;100%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

3-Mercaptopropyltriethoxysilane
14814-09-6

3-Mercaptopropyltriethoxysilane

3-(2-methyl-2,4-pentanedioxyethoxysilyl)-1-propanethiol

3-(2-methyl-2,4-pentanedioxyethoxysilyl)-1-propanethiol

Conditions
ConditionsYield
toluene-4-sulfonic acid at 33 - 60℃; under 11 Torr; for 2h;99.2%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

4-tert-butyldimethylsilanyloxy-2-methyl-2-pentanol
193811-86-8

4-tert-butyldimethylsilanyloxy-2-methyl-2-pentanol

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 0 - 20℃; for 14h;99%
With 1H-imidazole In N,N-dimethyl-formamide at 50 - 70℃; for 1.75h;
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

benzoyl chloride
98-88-4

benzoyl chloride

4-hydroxy-4-methylpentan-2-yl benzoate
56543-20-5

4-hydroxy-4-methylpentan-2-yl benzoate

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; 4 A molecular sieve In dichloromethane at -78℃; for 2h; Acylation;99%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

[Ti(N-phenylsalicylideneimine(-H))2(O-i-Pr)2]

[Ti(N-phenylsalicylideneimine(-H))2(O-i-Pr)2]

[Ti(N-phenylsalicylideneimine(-H))2(OC(CH3)2CH2CH(CH3)O)]
943433-27-0

[Ti(N-phenylsalicylideneimine(-H))2(OC(CH3)2CH2CH(CH3)O)]

Conditions
ConditionsYield
In benzene byproducts: (CH3)2CHOH; under unhydrous atm., soln. of ligand added to soln. of Ti compd. (3.06:3.01), refluxed, monitored by isopropanol liberated; concd., crystd., elem. anal.;99%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

acetic acid
64-19-7

acetic acid

4-acetoxy-2-methylpentan-2-ol
4833-08-3

4-acetoxy-2-methylpentan-2-ol

Conditions
ConditionsYield
With β-cyclodextrin-SO3H In neat (no solvent) at 70℃; for 6h;99%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

2,3-dihydro-1-benzofuran-5-ylboronic acid
331834-13-0

2,3-dihydro-1-benzofuran-5-ylboronic acid

2-(benzofuran-5-yl)-4,4,6-trimethyl-1,3,2-dioxaborinane

2-(benzofuran-5-yl)-4,4,6-trimethyl-1,3,2-dioxaborinane

Conditions
ConditionsYield
In dichloromethane at 20℃; for 16h;99%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

methacrylic acid methyl ester
80-62-6

methacrylic acid methyl ester

4-hydroxy-4-methylpentan-2-yl methacrylate

4-hydroxy-4-methylpentan-2-yl methacrylate

Conditions
ConditionsYield
With 1,1,1-trioctyl-1-methylphosphonium methylcarbonate at 20℃; for 24h; Molecular sieve; Green chemistry; chemoselective reaction;99%
With 1,1,1-trioctyl-1-methylphosphonium methylcarbonate; 4,4'-di-tert-butylbiphenyl at 25℃; for 24h; Schlenk technique; Molecular sieve;99%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

methacrylic acid methyl ester
80-62-6

methacrylic acid methyl ester

A

4-hydroxy-4-methylpentan-2-yl methacrylate

4-hydroxy-4-methylpentan-2-yl methacrylate

B

2-methylpentane-2,4-diyl bis(2-methylacrylate)

2-methylpentane-2,4-diyl bis(2-methylacrylate)

Conditions
ConditionsYield
With 4,4'-di-tert-butylbiphenyl; tetramethylammonium methyl carbonate at 80℃; for 24h; Schlenk technique; Molecular sieve;A 5%
B 99%
With tetramethylammonium methyl carbonate at 80℃; for 24h; Molecular sieve; Green chemistry; chemoselective reaction;A 5%
B 95%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

4,4,4',4',6,6'-hexamethyl-2,2'-bi(1,3,2-dioxaborinane)bis(hexyleneglycolato)diboron
230299-21-5

4,4,4',4',6,6'-hexamethyl-2,2'-bi(1,3,2-dioxaborinane)bis(hexyleneglycolato)diboron

Conditions
ConditionsYield
With tetrakis(dimethylamido)diborane In toluene at 20 - 100℃; for 1.25h;98.6%
Multi-step reaction with 2 steps
1: 2,6-di-tert-butyl-4-methyl-phenol / dichloromethane / -10 - 0 °C / Inert atmosphere
2: C25H36FeN2Si / toluene / 15 h / Inert atmosphere; Reflux
View Scheme
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

bis(2-methylpentane-2,4-diyldioxy)silane
887-37-6

bis(2-methylpentane-2,4-diyldioxy)silane

Conditions
ConditionsYield
With silica gel; sodium hydroxide In ethanol for 48h; Reflux; Large scale;98%
With silica gel; sodium hydroxide at 15℃; under 760.051 Torr; for 24h; Reagent/catalyst;
With pyridine; tetrachlorosilane
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

(Al(OCH(CH3)2)(CH3COCHCOCH3)2)2

(Al(OCH(CH3)2)(CH3COCHCOCH3)2)2

H(1+)*(CH3COCHCOCH3)2Al(OC(CH3)2CH2CH(CH3)O)(1-)=H[(CH3COCHCOCH3)2Al(OC(CH3)2CH2CH(CH3)O)]

H(1+)*(CH3COCHCOCH3)2Al(OC(CH3)2CH2CH(CH3)O)(1-)=H[(CH3COCHCOCH3)2Al(OC(CH3)2CH2CH(CH3)O)]

Conditions
ConditionsYield
In benzene byproducts: i-PrOH; Al-compd.:glycole-compd. molar ratio was 1:2, reflux for 5 h; solvent was removed in vac., solid was recrystd. from CH2Cl2/n-hexane (7:1), elem. anal.;98%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

4-tert-butylphenylboronic acid
123324-71-0

4-tert-butylphenylboronic acid

2-(4-(tert-butyl)phenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane

2-(4-(tert-butyl)phenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane

Conditions
ConditionsYield
In dichloromethane at 20℃; for 16h;98%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

naphthalene-2-boronic acid
32316-92-0

naphthalene-2-boronic acid

4,4,6-trimethyl-2-naphthalen-2-yl[1,3,2]dioxaborinane
1260068-92-5

4,4,6-trimethyl-2-naphthalen-2-yl[1,3,2]dioxaborinane

Conditions
ConditionsYield
In dichloromethane at 20℃; for 16h;98%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

crotonaldehyde
123-73-9

crotonaldehyde

C10H18O2

C10H18O2

Conditions
ConditionsYield
With trichloroacetonitrile at 20℃; for 2.5h; Inert atmosphere;98%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

3-phenyl-propenal
104-55-2

3-phenyl-propenal

C15H20O2

C15H20O2

Conditions
ConditionsYield
With trichloroacetonitrile at 20℃; for 2h; Inert atmosphere;97%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

(C9H6NO)B(OCH(CH3)2)2

(C9H6NO)B(OCH(CH3)2)2

(C9H6NO)B(OC(CH3)2CH2CH(CH3)O)
185611-05-6

(C9H6NO)B(OC(CH3)2CH2CH(CH3)O)

Conditions
ConditionsYield
In benzene refluxing (10 h); recrystn. (benzene/CH2Cl2); elem. anal.;96.61%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

Trimethyl borate
121-43-7

Trimethyl borate

2-methoxy-4,4,6-trimethyl-1,3,2-dioxaborinane
3208-69-3

2-methoxy-4,4,6-trimethyl-1,3,2-dioxaborinane

Conditions
ConditionsYield
for 1.5h; Reflux; Dean-Stark;96.1%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

di-tert-butylsilyl bis(trifluoromethanesulfonate)
85272-31-7

di-tert-butylsilyl bis(trifluoromethanesulfonate)

2,2-Di-tert-butyl-4,4,6-trimethyl-[1,3,2]dioxasilinane
85272-43-1

2,2-Di-tert-butyl-4,4,6-trimethyl-[1,3,2]dioxasilinane

Conditions
ConditionsYield
With 2,6-dimethylpyridine In chloroform-d1 at 25℃;96%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

bis(acetylacetonato)titanium(IV) diisopropoxide

bis(acetylacetonato)titanium(IV) diisopropoxide

[titanium(IV)(acetylacetonate)2(OC(CH3)2CH2CH(CH3)O)]

[titanium(IV)(acetylacetonate)2(OC(CH3)2CH2CH(CH3)O)]

Conditions
ConditionsYield
In benzene for 4h; Reflux;96%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

4-Bromophenylboronic acid
5467-74-3

4-Bromophenylboronic acid

2-(4-bromophenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane
1092060-78-0

2-(4-bromophenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane

Conditions
ConditionsYield
In dichloromethane at 20℃; for 16h;96%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

(4-(trimethylsilyl)phenyl)boronic acid
17865-11-1

(4-(trimethylsilyl)phenyl)boronic acid

2-(4-trimethylsilylphenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane

2-(4-trimethylsilylphenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane

Conditions
ConditionsYield
In dichloromethane at 20℃; for 16h;96%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

benzoyl chloride
98-88-4

benzoyl chloride

2-phenyl-4,4,6-trimethyl-1,3-dioxanium hexachloroantimonate

2-phenyl-4,4,6-trimethyl-1,3-dioxanium hexachloroantimonate

Conditions
ConditionsYield
With antimonypentachloride In dichloromethane at 0℃; for 0.25h;95%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

4,4,6-trimethyl-1,3-dioxane-2-one
27700-00-1

4,4,6-trimethyl-1,3-dioxane-2-one

Conditions
ConditionsYield
With 1,1,1-trioctyl-1-methylphosphonium methylcarbonate at 90℃; for 12h;95%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

phenylboronic acid

phenylboronic acid

4,4,6-trimethyl-2-phenyl-[1,3,2]dioxaborinane
15961-35-0

4,4,6-trimethyl-2-phenyl-[1,3,2]dioxaborinane

Conditions
ConditionsYield
In dichloromethane at 20℃; for 16h;95%
With 1H-imidazole; iron(III) chloride In water; acetonitrile at 20℃; for 0.5h; Inert atmosphere;82%
2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

2-Methoxyphenylboronic acid
5720-06-9

2-Methoxyphenylboronic acid

2-(2-methoxyphenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane
934558-37-9

2-(2-methoxyphenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane

Conditions
ConditionsYield
In dichloromethane at 20℃; for 16h;95%

2-Methyl-2,4-pentanediol Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 2800mg/kg (2800mg/kg) BEHAVIORAL: GENERAL ANESTHETIC
BEHAVIORAL: MUSCLE WEAKNESS
LIVER: OTHER CHANGES
Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 4, Pg. 142, 1945.
human TCLo inhalation 50ppm/15M (50ppm) SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION
SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE
LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 312, 1969.
human TCLo inhalation 50ppm (50ppm) SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION
SENSE ORGANS AND SPECIAL SENSES: CONJUNCTIVE IRRITATION: EYE
LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
Journal of Industrial Hygiene and Toxicology. Vol. 28, Pg. 262, 1946.
mouse LD50 intraperitoneal 1299mg/kg (1299mg/kg)   Shell Chemical Company. Unpublished Report. Vol. -, Pg. 5, 1961.
mouse LD50 oral 3097mg/kg (3097mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 45, Pg. 669, 1956.
rabbit LD50 oral 3200mg/kg (3200mg/kg) BEHAVIORAL: GENERAL ANESTHETIC
BEHAVIORAL: MUSCLE WEAKNESS
LIVER: OTHER CHANGES
Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 4, Pg. 142, 1945.
rabbit LD50 skin 8560uL/kg (8.56mL/kg)   "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 731, 1969.
rabbit LD50 subcutaneous 13gm/kg (13000mg/kg) SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE" Food and Cosmetics Toxicology. Vol. 16, Pg. 777, 1978.
rat LC50 inhalation > 310mg/m3/1H (310mg/m3)   BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 12-4/1970,
rat LD50 oral 3700mg/kg (3700mg/kg)   Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. Vol. 1, Pg. 68, 1974.
rat LDLo intraperitoneal 1500mg/kg (1500mg/kg) BEHAVIORAL: GENERAL ANESTHETIC
GASTROINTESTINAL: OTHER CHANGES
KIDNEY, URETER, AND BLADDER: RENAL FUNCTION TESTS DEPRESSED
Journal of Pharmacy and Pharmacology. Vol. 11, Pg. 150, 1959.

2-Methyl-2,4-pentanediol Consensus Reports

Reported in EPA TSCA Inventory.

2-Methyl-2,4-pentanediol Standards and Recommendations

OSHA PEL: CL 25 ppm
ACGIH TLV: CL 25 ppm
DFG MAK: 10 ppm

2-Methyl-2,4-pentanediol Specification

The 2-Methyl-2,4-pentanediol, with the CAS registry number 107-41-5,is also known as 2-Methylpentan-2,4-diol; Hexylene glycol. It belongs to the product categories of Industrial/Fine Chemicals;White powder.Its EINECS number is 203-489-0. This chemical's molecular formula is C6H14O2 and molecular weight is 118.17. What's more,Its systematic name is 2-Methylpentane-2,4-diol.It is a Oily colorless liquid with a mild sweet odor which is stable,incompatible with strong oxidizing agents,strong acids,strong reducing agents.It is irritating to eyes and skin . When you use it ,wear suitable protective clothing .In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.And it is used as solvents, spices, medical disinfectants, fabrics penetration agent, paper and leather processing aid.

Physical properties about 2-Hydroxy-2-methylpropiophenone are:
(1)ACD/LogP:  0.004; (2)# of Rule of 5 Violations:  0; (3)ACD/LogD (pH 5.5):  0.00; (4)ACD/LogD (pH 7.4):  0.00; (5)ACD/BCF (pH 5.5):  1.00; (6)ACD/BCF (pH 7.4):  1.00; (7)ACD/KOC (pH 5.5):  23.96; (8)ACD/KOC (pH 7.4):  23.96; (9)#H bond acceptors:  2; (10)#H bond donors:  2; (11)#Freely Rotating Bonds:  4; (12)Index of Refraction:  1.446; (13)Molar Refractivity:  32.84 cm3; (14)Molar Volume:  123.013 cm3; (15)Surface Tension:  33.8889999389648 dyne/cm; (16)Density:  0.961 g/cm3; (17)Flash Point:  93.889 °C; (18)Enthalpy of Vaporization:  50.464 kJ/mol; (19)Boiling Point:  197.499 °C at 760 mmHg; (20)Vapour Pressure:  0.096000000834465 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES:CC(O)CC(C)(C)O;
(2)Std. InChI:InChI=1S/C6H14O2/c1-5(7)4-6(2,3)8/h5,7-8H,4H2,1-3H3;
(3)Std. InChIKey:SVTBMSDMJJWYQN-UHFFFAOYSA-N.

The toxicity data of 2-Methyl-2,4-pentanediol are as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 2800mg/kg (2800mg/kg) BEHAVIORAL: GENERAL ANESTHETIC

BEHAVIORAL: MUSCLE WEAKNESS

LIVER: OTHER CHANGES
Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 4, Pg. 142, 1945.
human TCLo inhalation 50ppm/15M (50ppm) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION

SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE
"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 312, 1969.
human TCLo inhalation 50ppm (50ppm) SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION

SENSE ORGANS AND SPECIAL SENSES: CONJUNCTIVE IRRITATION: EYE

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
Journal of Industrial Hygiene and Toxicology. Vol. 28, Pg. 262, 1946.
mouse LD50 intraperitoneal 1299mg/kg (1299mg/kg)   Shell Chemical Company. Unpublished Report. Vol. -, Pg. 5, 1961.
mouse LD50 oral 3097mg/kg (3097mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 45, Pg. 669, 1956.
rabbit LD50 oral 3200mg/kg (3200mg/kg) BEHAVIORAL: GENERAL ANESTHETIC

LIVER: OTHER CHANGES

BEHAVIORAL: MUSCLE WEAKNESS
Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 4, Pg. 142, 1945.
rabbit LD50 skin 8560uL/kg (8.56mL/kg)   "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 731, 1969.
rabbit LD50 subcutaneous 13gm/kg (13000mg/kg) SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE" Food and Cosmetics Toxicology. Vol. 16, Pg. 777, 1978.
rat LC50 inhalation > 310mg/m3/1H (310mg/m3)   BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 12-4/1970,
rat LD50 oral 3700mg/kg (3700mg/kg)   Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. Vol. 1, Pg. 68, 1974.
rat LDLo intraperitoneal 1500mg/kg (1500mg/kg) BEHAVIORAL: GENERAL ANESTHETIC

GASTROINTESTINAL: OTHER CHANGES

KIDNEY, URETER, AND BLADDER: RENAL FUNCTION TESTS DEPRESSED
Journal of Pharmacy and Pharmacology. Vol. 11, Pg. 150, 1959.

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