Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:77-99-6
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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
Cas:77-99-6
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inquiryCompany Name: Hefei TNJ Chemical Industry Co.,Ltd. Registered Address: B911 Xincheng Business Center,South of Dongliu Road, Zhengwu District, Hefei, Anhui,China
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inquiryAbout Product Technical Details
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inquiryTrimethylol propane Basic information Product Name: Trimethylol propane Synonyms: HEXAGLYCEROL;2,2'-DIHYDROXYMETHYL-1-BUTANOL;2,2-BIS(HYDROXYMETHYL)-1-BUTANOL;2-ETHYL-2-(HYDROXYMETHY
Cas:77-99-6
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inquiryProName: Trimethylol propane Manufacturer/High ... CasNo: 77-99-6 Molecular Formula: C6H14O3 Appearance: white powder Application: It is an important raw material and in... DeliveryTime: prompt PackAge: according to the clients requirement P
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inquirycas cas 77-99-6 Name Trimethylolpropane(TMP) Appearance Powder Density 1.275g/cm3 Appearance: white powder Storage:Store in cool and dry place,
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inquiryTMP Specification of Analysis Analytical data Specifications APPEARANCE WHITE FLAKES WHITE FLAKES COLOR(PT-CO) 10 &l
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryConditions | Yield |
---|---|
With water; sodium hydroxide In ethanol at 55℃; for 0.0833333h; Temperature; | 90% |
With calcium hydroxide | |
With sodium hydroxide In water at 40 - 60℃; for 0.75h; |
Conditions | Yield |
---|---|
With sodium hydroxide; formaldehyd; triethylamine; Ni-Cr-Al | 88.5% |
With formaldehyd; triethylamine In water | 82.77% |
With formaldehyd; triethylamine In water | 81.59% |
2,2-dimethylolbutanal
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
With hydrogen at 115℃; under 22502.3 Torr; for 8h; | 84.8% |
With hydrogen; Cu/TiO2 catalyst B of PCT/WO 02/85825; activated at 110℃; under 67506.8 Torr; for 2112h; Conversion of starting material; | |
With hydrogen; citric acid; activated Cu/TiO2 catalyst J PCT/WO 99/44974 In water at 120℃; under 60006 Torr; Conversion of starting material; | |
With hydrogen at 120℃; under 22502.3 Torr; |
Conditions | Yield |
---|---|
With triethylamine In methanol; formaldehyd | 74.6% |
ethylacrolein
formaldehyd
B
1,1,1-tri(hydroxymethyl)propane
C
3,3,7,7-tetra(hydroxymethyl)-5-oxanonane
Conditions | Yield |
---|---|
In water at 96 - 100℃; for 3.3h; | A 2% B 67.5% C 15% |
Conditions | Yield |
---|---|
With formaldehyd; triethylamine | 14% |
2-hydroxymethyl-2-vinyl-propane-1,3-diol
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
With palladium on activated charcoal; ethanol Hydrogenation; |
2,2-bis(hydroxymethyl)-1,4-butanediol
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: sodium acetate 2: 500 °C 3: barium methylate; methanol 4: palladium/charcoal; ethanol / Hydrogenation View Scheme |
4-acetoxy-3,3-bis-acetoxymethyl-but-1-ene
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: barium methylate; methanol 2: palladium/charcoal; ethanol / Hydrogenation View Scheme |
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 500 °C 2: barium methylate; methanol 3: palladium/charcoal; ethanol / Hydrogenation View Scheme |
formaldehyd
butyraldehyde
B
1,1,1-tri(hydroxymethyl)propane
C
3,3,7,7-tetra(hydroxymethyl)-5-oxanonane
A
1,1,1-tri(hydroxymethyl)propane
B
3,3,7,7-tetra(hydroxymethyl)-5-oxanonane
C
5-ethyl-1,3-dioxane-5-methanol
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In water at 90℃; for 6h; | A n/a B 5.9 g C n/a |
With toluene-4-sulfonic acid In water at 90℃; for 6h; | A n/a B 15.2 g C n/a |
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
Stage #1: crude TMP With phosphoric acid at 150℃; under 50 Torr; for 1h; Stage #2: With phosphoric acid at 180℃; for 1h; |
2,2-dimethylolbutanal
A
methanol
B
1,1,1-tri(hydroxymethyl)propane
C
trimethylamine-formic acid complex
Conditions | Yield |
---|---|
With hydrogen In water at 115℃; under 67506.8 Torr; |
succinic acid anhydride
1-hydroxy-pyrrolidine-2,5-dione
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
With pyridine In 5,5-dimethyl-1,3-cyclohexadiene; dichloromethane |
formaldehyd
2,2-dimethylolbutanal
A
1,1,1-tri(hydroxymethyl)propane
B
sodium formate
Conditions | Yield |
---|---|
With sodium hydroxide In water at 45 - 50℃; for 3.75 - 4.25h; Product distribution / selectivity; Cannizzaro Reaction; |
formaldehyd
butyraldehyde
A
ethylacrolein
B
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
With water; sodium carbonate at 73 - 84℃; Product distribution / selectivity; | |
With sodium carbonate In water Reagent/catalyst; Temperature; Concentration; Reflux; | A 58 g B 15 g |
ethylacrolein
formaldehyd
A
1,1,1-tri(hydroxymethyl)propane
B
3,3,7,7-tetra(hydroxymethyl)-5-oxanonane
Conditions | Yield |
---|---|
Stage #1: ethylacrolein; formaldehyd In water at 100℃; Stage #2: With sodium hydroxide In water at 100℃; Reagent/catalyst; Time; Concentration; | A 253 g B 66 g |
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
With water-d2 In dimethylsulfoxide-d6 Glovebox; |
formaldehyd
butyraldehyde
A
1,1,1-tri(hydroxymethyl)propane
B
2,2-dimethylolbutanal
Conditions | Yield |
---|---|
With triethylamine at 35℃; for 3h; Cannizzaro Reaction; |
formaldehyd
butyraldehyde
A
methanol
B
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
With potassium hydroxide In water at 60℃; for 1h; Temperature; Cannizzaro Reaction; | A 11.71 %Chromat. B 76.63 %Chromat. |
1,1,1-tri(hydroxymethyl)propane
3-chloroprop-1-ene
trimethylolpropane triallyl ether
Conditions | Yield |
---|---|
With sodium hydroxide; sodium chloride; tetrabutylammomium bromide In toluene | 100% |
With sodium hydroxide; tetrabutylammomium bromide 1.) water, 80 deg C, 0.5 h, 2.) 80 deg C, 7 h; Yield given. Multistep reaction; | |
With sodium hydroxide; tetrabutylammomium bromide In water at 45℃; for 22h; Allylation; | |
With tetrabutylammomium bromide; sodium hydroxide at 45℃; for 22h; |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 110℃; | 100% |
1,1,1-tri(hydroxymethyl)propane
2-oxiranylmethylisoindole-1,3-dione
oxiranyl-methanol
Conditions | Yield |
---|---|
Stage #1: 1,1,1-tri(hydroxymethyl)propane With potassium tert-butylate In tetrahydrofuran at 120℃; for 18h; Inert atmosphere; Stage #2: oxiranyl-methanol In tetrahydrofuran at 120℃; for 0.5h; Inert atmosphere; Stage #3: 2-oxiranylmethylisoindole-1,3-dione In tetrahydrofuran at 120℃; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With salicylaldehyde In toluene at 100℃; for 14h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; | 100% |
1,1,1-tri(hydroxymethyl)propane
salicylaldehyde
2-[(5-ethyl-5-hydroxymethyl)-1,3-dioxan-2-yl]phenol
Conditions | Yield |
---|---|
With sulfuric acid at 80℃; | 100% |
Conditions | Yield |
---|---|
With Novozym435 at 60℃; for 48h; Molecular sieve; Enzymatic reaction; neat (no solvent); | A 6% B 99.4% |
1,1,1-tri(hydroxymethyl)propane
acetone
1,3-dioxa-5-ethyl-2,2-dimethyl-5-cyclohexylmethanol
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In water; Petroleum ether for 10h; Reflux; | 99% |
With toluene-4-sulfonic acid at 20℃; for 16h; | 78% |
With toluene-4-sulfonic acid In Petroleum ether Heating; | 76% |
Conditions | Yield |
---|---|
tetrachlorobis(tetrahydrofuran)hafnium(IV) In toluene for 24h; Heating; | 99% |
With molecualar sevies 4A; tetrachlorobis(tetrahydrofuran)hafnium(IV) In toluene at 120℃; for 24h; | 99% |
1,1,1-tri(hydroxymethyl)propane
tributyltin methoxide
1,1,1-tris(tributyltinoxymethyl) propane
Conditions | Yield |
---|---|
In neat (no solvent) 1,1,1-trymethylolpropane to methoxytributyltin ratio 1:3; mixed, heatedat 100-150°C for 1 h at P=50 mm; evacuated to P=1 mm for 0.5 h, heated at 190-220°C; distd., IR, elem. anal.; | 99% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane; acetonitrile at 20℃; | 99% |
1,1,1-tri(hydroxymethyl)propane
acryloyl chloride
2-((acryloyloxy)methyl)-2-ethylpropane-1,3-diyl diacrylate
Conditions | Yield |
---|---|
With 4-methoxy-phenol; triethylamine; hydroquinone at 60℃; for 2h; Temperature; | 98.38% |
In pyridine; benzene at 50℃; for 30h; | 81% |
With pyridine In benzene at 50℃; for 30h; | 81% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 90 - 112℃; for 10h; Reagent/catalyst; Solvent; Dean-Stark; | 98% |
formaldehyd
1,1,1-tri(hydroxymethyl)propane
5-ethyl-1,3-dioxane-5-methanol
Conditions | Yield |
---|---|
With cationite KU-2 In benzene Reflux; Dean-Stark; | 97% |
With toluene-4-sulfonic acid In toluene for 4h; Heating; | 95% |
With toluene-4-sulfonic acid In toluene for 4h; Heating; | 95% |
With toluene-4-sulfonic acid In tetrahydrofuran for 3h; Reflux; | 93% |
With toluene-4-sulfonic acid |
Conditions | Yield |
---|---|
With chlorosulfonic acid; 3,5-dichloro-2-hydroxybenzenesulfonyl chloride; 3-methylimidazoletrifluoromethanesulfonate; toluene-4-sulfonic acid In tetrahydrofuran; propan-1-ol at 200℃; for 10h; Temperature; Large scale; | 97% |
1,1,1-tri(hydroxymethyl)propane
p-toluenesulfonyl chloride
B
2-ethyl-2-((tosyloxy)methyl)propane-1,3-diyl bis(4-methylbenzenesulfonate)
Conditions | Yield |
---|---|
With pyridine at -5 - 20℃; for 48h; | A n/a B 96.5% |
Conditions | Yield |
---|---|
With dibutyltin(II) dilaurate at 180 - 200℃; | 96.4% |
1,1,1-tri(hydroxymethyl)propane
1,1,1,3,3,3-hexamethyl-disilazane
tris((trimethylsiloxy)methyl)propane
Conditions | Yield |
---|---|
With activated clay at 60 - 70℃; for 3h; | 96.4% |
1,1,1-tri(hydroxymethyl)propane
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane; N,N-dimethyl-formamide at 0 - 25℃; for 24.5h; | 96% |
1,1,1-tri(hydroxymethyl)propane
ethyl chlorocarbonylacetate
Conditions | Yield |
---|---|
With pyridine In tetrahydrofuran; dichloromethane at 20℃; for 12h; | 96% |
1,1,1-tri(hydroxymethyl)propane
phosphorous acid trimethyl ester
dimethyl methane phosphonate
Conditions | Yield |
---|---|
Stage #1: 1,1,1-tri(hydroxymethyl)propane; phosphorous acid trimethyl ester at 80 - 120℃; for 4h; Stage #2: With methyl p-toluene sulfonate at 170 - 180℃; for 2h; Reagent/catalyst; Temperature; | 96% |
1,1,1-tri(hydroxymethyl)propane
Dipentaerythritol
dimethyl methane phosphonate
phosphorous acid trimethyl ester
Conditions | Yield |
---|---|
Stage #1: 1,1,1-tri(hydroxymethyl)propane; Dipentaerythritol; phosphorous acid trimethyl ester With phosphoric acid at 85℃; for 5h; Inert atmosphere; Stage #2: dimethyl methane phosphonate With 1-bromo-butane at 185℃; for 16h; | 95.8% |
trimethyl phosphite
1,1,1-tri(hydroxymethyl)propane
tri-n-butyl phosphite
Dipentaerythritol
Conditions | Yield |
---|---|
Stage #1: 1,1,1-tri(hydroxymethyl)propane; tri-n-butyl phosphite; Dipentaerythritol With sulfuric acid at 85℃; for 5h; Inert atmosphere; Stage #2: trimethyl phosphite With 1-Bromopentane at 185℃; for 16h; | 95.6% |
Conditions | Yield |
---|---|
With 2,6-di-tert-butyl-4-methyl-phenol; toluene-4-sulfonic acid In toluene for 7h; Reflux; | 95.1% |
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0℃; | 95.1% |
1,1,1-tri(hydroxymethyl)propane
perfluoroisobutylene
A
1,1,1,3,3,3-hexafluoro-2-trifluoromethyl-propane
B
2-hexafluoroisopropylidene-5-ethyl-5--1,3-dioxane
Conditions | Yield |
---|---|
With potassium fluoride In acetonitrile 1) 0 deg C, 1 hour 2) 20 deg C, 11-12 h; | A n/a B 95% |
1,1,1-tri(hydroxymethyl)propane
acrylic acid
2-((acryloyloxy)methyl)-2-ethylpropane-1,3-diyl diacrylate
Conditions | Yield |
---|---|
With methanesulfonic acid; hypophosphorous acid; hydroquinone In cyclohexane at 70 - 91℃; under 3750.38 Torr; | 95% |
Stage #1: With hypophosphorous acid; 4-methoxy-phenol; copper dichloride In cyclohexane; water at 70 - 75℃; Stage #2: 1,1,1-tri(hydroxymethyl)propane; acrylic acid With toluene-4-sulfonic acid In cyclohexane; water at 95 - 130℃; for 6 - 10h; | |
With methanesulfonic acid; hydroquinone In toluene at 120℃; for 5h; |
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