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Thymol Blue

Thymol Blue Structure
CAS No.
76-61-9
Chemical Name:
Thymol Blue
Synonyms
TB;s-dioxide;bleudethymol;THYMOL BLUE TS;THYMOLSULFONEPHTHALEIN;S NO 879;Nsc 11238;THYMOL BLUE;Thymol Blue,IND;Thymol blue, GR
CBNumber:
CB3672398
Molecular Formula:
C27H30O5S
Molecular Weight:
466.59
MOL File:
76-61-9.mol
MSDS File:
SDS
Modify Date:
2024/7/29 15:17:36

Thymol Blue Properties

Melting point 221-224 °C (dec.) (lit.)
Boiling point 539.4°C (rough estimate)
Density 1.1413 (rough estimate)
refractive index 1.5300 (estimate)
Flash point 36 °C
storage temp. room temp
solubility 0.11g/l
form Solid
pka Pka1:1.65(at 25℃)(PH=1.2 to 2.8) Pka2:8.9(at 25℃)(PH=8.0 to 9.6)
color Dark green to dark brown
Odor Characteristic odour
PH Range 1.2(red)-2.8(yellow) 8(yellow)-9.6(blue)
Water Solubility Soluble in alcohol and dilute alkali solutions. Insoluble in water.
λmax 594nm, 376nm, 544nm, 430nm
Merck 14,9400
BRN 368036
Stability Stable. Combustible. Dust may form an explosive mixture with air. Incompatible with strong oxidizing agents.
Major Application Display device, semiconductors, sensors, fuel cells, antimisting coating for glass, toys, corrosion inhibitor, multi-level alert system, correction fluid, textiles, falsification-proof security paper, packaging system, measurement of hydrogen ion concentrationin swimming pool water, humidity-indicating agent, diapers, cosmetics, biostatic materials, determine bacteria growth, psychoactive drugs, antidepressant drugs, dental impression material
CAS DataBase Reference 76-61-9(CAS DataBase Reference)
NIST Chemistry Reference Thymolsulfonephthalein(76-61-9)
EPA Substance Registry System Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)- (76-61-9)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H225-H301+H311+H331
Precautionary statements  P280-P305+P351+P338
Risk Statements  10
Safety Statements  24/25
RIDADR  UN 1170 3/PG 3
WGK Germany  3
RTECS  XP2575000
TSCA  Yes
HS Code  2934 99 90
PackingGroup  II
NFPA 704
0
1 0

Thymol Blue price More Price(15)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 114545 Thymol Blue ACS reagent 76-61-9 5G ₹4427.43 2022-06-14 Buy
Sigma-Aldrich(India) 114545 Thymol Blue ACS reagent 76-61-9 25G ₹13639.5 2022-06-14 Buy
Sigma-Aldrich(India) 1.08176 Thymol blue indicator ACS,Reag. Ph Eur 76-61-9 5G ₹6490 2022-06-14 Buy
Sigma-Aldrich(India) 1.08176 Thymol blue indicator ACS,Reag. Ph Eur 76-61-9 25G ₹16210.01 2022-06-14 Buy
TCI Chemicals (India) T0235 Thymol Blue 76-61-9 1G ₹1800 2022-05-26 Buy
Product number Packaging Price Buy
114545 5G ₹4427.43 Buy
114545 25G ₹13639.5 Buy
1.08176 5G ₹6490 Buy
1.08176 25G ₹16210.01 Buy
T0235 1G ₹1800 Buy

Thymol Blue Chemical Properties,Uses,Production

Chemical Properties

brown to green powder or crystals

Uses

Thymol Blue is a useful pH indicator compound. Dyes and metabolites.

Biochem/physiol Actions

Thymol Blue is a pH indicator, which is yellow/orange at low pH and blue in color at high pH.

Thymol Blue Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 355)Suppliers
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HNP Dye Chem 91-79-22124152 Ahmedabad, India 59 58 Inquiry
Thymol blue, For ACS analysis Nsc 11238 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)-3H-2,1-benzoxathiol 1,1-dioxide 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)-3H-2,1-benzoxathiole 1,1-dioxide 4,4'-[(3H-2,1-Benzoxathiole 1,1-dioxide)-3-ylidene]bis(5-methyl-2-isopropylphenol) Thymol Blue,pure,indicator Thymol blue, indicator, ACS Thymol blue, solution 0,04%, indicator Thymol Blue (0.1% in ca. 50% Ethanol)[for Titration] Thymol Blue p.a. THYMOL BLUE INDICATOR ACS 5 G THYMOL BLUE INDICATOR ACS 25 G 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)phenol] S,S-dioxide ThyMol Blue TS, USP Test Solution 3,3-Bis(4-hydroxy-5-isopropyl-2-Methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide ThyMol blue [Ink] THYMOLSULFONPHTHALEIN THYMOL BLUE ETHANOL (50) THYMOL BLUE INDICATOR SOLUTION THYMOL BLUE S NO 879 PHYMOLSULFONPHTHALEIN 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)-pheno 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)phenols,s-di Thymolsulphonephthalein LABOTEST-BB LT00454334 THYMOL BLUE FREE ACID THYMOL BLUE SOLUTION 100 ML THYMOL BLUE INDICATOR THYMOL BLUE SOLUTION ACID BASE INDICATOR ThymolBlueIndicatorGr Thymol Blue, ACS Thymol Blue, indicator, pure THYMOL BLUE, FREE ACID REAGENT (ACS) Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis5-methyl-2-(1-methylethyl)- THYMOLBLUE,REAGENT,ACS Thymol Blue (0.04% in Water) [for pH Determination] Thymol blue: (6,6(3H-2,1-benzoxathiol-3-ylidene)di-,S,S-dioxide) Thymol Blue, Reagent Thymol Blue, for analysis ACS 6,6’-(3h-2,1-benzoxathiol-3-ylidene)dithymols,s-dioxide Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-, S,S-dioxide Phenol,4,4’-(3H-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)-,S,S-dioxide Thymol, 6,6'-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide thymol,6,6’-(3h-2,1-benzoxathiol-3-ylidene)di-,s,s-dioxide Thymolsulfonephalein Thymolsulfophthalein Thymolsulphonphthalein Thymosulfonphthalein HALF FRASER BROTH 30X225ML 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl) Thymol Blue, indicator, ACS reagent Thymol Blue, for analysis, Indicator Thymol Blue,IND Thymol blue indicator Thymol blue, indicator AR, Reag. Thymol Blue AR (powder) (ph indicator) Thymol blue, GR Thymol blue indicator 5GM