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Thymolphthalein

Thymolphthalein Structure
CAS No.
125-20-2
Chemical Name:
Thymolphthalein
Synonyms
TP;THYMOLPHTHALEIN INDICATOR;VEGP;Nsc2186;Thymolpthalein;Thymol peptide;THYMOLPHTHALEIN;thymolphtaleine;Thymolphthaiein;DithyMolphthalide
CBNumber:
CB5342154
Molecular Formula:
C28H30O4
Molecular Weight:
430.54
MOL File:
125-20-2.mol
MSDS File:
SDS
Modify Date:
2024/7/29 15:17:36

Thymolphthalein Properties

Melting point 251-253 °C(lit.)
Boiling point 504.79°C (rough estimate)
Density 0.92 g/mL at 25 °C
vapor pressure 0.002Pa at 90℃
refractive index 1.6400 (estimate)
Flash point 74 °F
storage temp. no restrictions.
solubility ethanol: clarity passes test
form Low Melting Mass
pka 9.70, 10.0(at 25℃)
Specific Gravity 0.92
color White to slightly yellow
Odor Mild characteristic odor
PH 8.6~10.5
PH Range 9.3(colourless)-10.5(blue)
explosive limit 3.30-19%
Water Solubility insoluble
λmax 592nm, 396nm, 598nm
Merck 14,9401
BRN 359413
Major Application Display device, semiconductors, recording materials, photoconductors, sol-gel matrix, tin electroplating process, counterfeit-proof paper, authentication system forsecure documents, inks, pencil leads, correction fluid, paints, petroleum marker, tennis ball, adhesives, floor coatings, textiles, detergents, insecticide, lotion, cleaning pads, food storage, determine bacterial growth, Streptococci in saliva, dental impressionmaterials
InChIKey GRBHJPCWQRVGND-UHFFFAOYSA-N
LogP 3.682 at 25℃
CAS DataBase Reference 125-20-2(CAS DataBase Reference)
EPA Substance Registry System Thymolphthalein (125-20-2)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS02,GHS08
Signal word  Danger
Hazard statements  H225-H313-H333-H371
Precautionary statements  P210-P260-P280a-P303+P361+P353-P405-P501a
Hazard Codes  F,Xn
Risk Statements  11-40-10
Safety Statements  7-16-36/37-24/25-22
RIDADR  UN 1170 3/PG 3
WGK Germany  3
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29322980
NFPA 704
0
1 0

Thymolphthalein price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 89360 Thymolphthalein ACS reagent, indicator (pH 8.8-10.5) 125-20-2 10G ₹5737.25 2022-06-14 Buy
Sigma-Aldrich(India) 89360 Thymolphthalein ACS reagent, indicator (pH 8.8-10.5) 125-20-2 50G ₹12600.3 2022-06-14 Buy
Sigma-Aldrich(India) 114553 Thymolphthalein ACS reagent, Dye content 95?% 125-20-2 10G ₹2024.28 2022-06-14 Buy
Sigma-Aldrich(India) 1.08175 Thymolphthalein indicator ACS,Reag. Ph Eur 125-20-2 1IN21081750025 ₹1280 2022-06-14 Buy
Sigma-Aldrich(India) 1.08175 Thymolphthalein indicator ACS,Reag. Ph Eur 125-20-2 5G ₹6070 2022-06-14 Buy
Product number Packaging Price Buy
89360 10G ₹5737.25 Buy
89360 50G ₹12600.3 Buy
114553 10G ₹2024.28 Buy
1.08175 1IN21081750025 ₹1280 Buy
1.08175 5G ₹6070 Buy

Thymolphthalein Chemical Properties,Uses,Production

Chemical Properties

white fine crystalline powder

Uses

Thymolphthalein is a pH sensitive dye that has multiple uses such as testing hydration and/or saliva testing.

General Description

Thymolphthalien is an acid-base indicator which is colourless in acidic form and deep blue in basic form. Acidic form retains hydrogen on each hydroxyl group. It is suitable in preparing disappearing ink.

Thymolphthalein Preparation Products And Raw materials

Raw materials

Preparation Products

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3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-1(3H)-Isobenzofuranone 3,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3h)-isobenzofuranon Thymolphthalein, for analysis ACS Thymolphthalein, indicator, pure THYMOLPHTHALEIN REAGENT (ACS) THYMOLPHTHALEIN SOLUTION, 0.05% 1(3H)-Isobenzofuranone, 3,3-bis4-hydroxy-2-methyl-5-(1-methylethyl)phenyl- thymolphthalein solution Thymolphthalein, Reagent 2',2''-Diisopropyl-5',5''-dimethylphenolphthalein 3,3-Bis(4-hydroxy-3-isopropyl-6-methyl)phthalide 3,3-Bis(2-methyl-4-hydroxy-5-isopropylphenyl)isobenzofuran-1(3H)-one 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)-1(3H)-isobenzofuranone 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)isobenzofuran-1(3H)-one 4,4'-[(3-Oxo-1,3-dihydroisobenzofuran)-1,1-diyl]bis(2-isopropyl-5-methylphenol) Thymolphthalein, 0.05% w/v solution in ethanol Thymolphthalein (0.1% in ca. 95% Ethanol) [for pH Determination and Titration] Thymolphthalein,pure,indicator (0.1% in ca. 95% Ethanol) [for pH DeterMination and Titration] ThyMolphthalein  Thymolphthalein, indicator, reagent grade, ACS Thymolphthalein (0.1% in ca. 95% Ethanol)[for Titration] Thymolphthalein p.a. 3,3-Bis(4-hydroxy-2-Meth-yl-5-isopropylphenyl)phthalide DithyMolphthalide 5',5''-DIISOPROPYL-2',2''-DIMETHYLPHENOLPHTHALEIN 5',5''-DIISOPROPYL-2',2''-DIMETHYLPHENOLPHTHALIEN LABOTEST-BB LT00451890 TIMTEC-BB SBB008946 THYMOLPHTHALEIN THYMOLPHTHALEIN ETHANOL THYMOLPHTHALEIN INDICATOR SOLUTION THYMOLPHTHALEIN TS/RS 3,3-bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide Thymolphthalein solid THYMOLPHTHALEIN ACS REAGENT THYMOLPHTHALEIN, 0.04 WT. % SOLUTION IN 50 WT. % ETHYL ALCOHOL THYMOLPHTHALEIN, ACS THYMOLPHTHALEIN INDICATOR, REAG. PH.EUR. ThymolphthaleineIndicatorGr ThymolphthaleinGr UniversalIndikatorSolution ThyMolphthalein, indicator, pure 10GR THYMOLPHTHALEIN INDICATOR ACS ThyMolphthalein TS, (U.S.P. Test Solution) thymolphtaleine 2',2''-DIMETHYL-5,5''-DI-ISO-PROPYLPHENOLPHTHALEIN Thymolphthalein solution, 0.05% w/v in ethanol 3,3-Bis(4-hydroxy-2-isopropyl-5-methylphenyl) Phenolphthalein, 5′,5′′-diisopropyl-2′,2′′-dimethyl- Nsc2186 VEGP THYMOLPHTHALEIN, REAGENT (ACS)THYMOLPHTHALEIN, REAGENT (ACS)THYMOLPHTHALEIN, REAGENT (ACS) Thymol phenolphthalein indicator liquid Thyme phenolphthalein indicator Thymolphthalein, for analysis, Indicator Thymolphthalein,IND Thymolpthalein