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Thymol Blue

CAS No.76-61-9
Chemical Name:Thymol Blue
CBNumber:CB3672398
Molecular Formula:C27H30O5S
Formula Weight:466.59
MOL File:76-61-9.mol

Thymol Blue Property

Melting point 221-224 °C (dec.) (lit.)
Boiling point 539.4°C (rough estimate)
Density 1.1413 (rough estimate)
bulk density 350kg/m3
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
PH Range 1.2(red)-2.8(yellow) 8(yellow)-9.6(blue)
Odor Characteristic odour
PH 1.2-2.8
8.0-9.6
Water Solubility Soluble in alcohol and dilute alkali solutions. Insoluble in water.
ε(extinction coefficient) ≥12000 at 298-302nm in 0.1 M NaOH at 0.01g/L
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)
EWG's Food Scores 1
FDA UNII 8YB4804L4M
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)
UNSPSC Code 12171502
NACRES NB.21

Safety

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

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal wordWarning
Hazard statements H225-H301+H311+H331
Precautionary statements P280-P305+P351+P338

Thymol Blue Price More Price(15)

Brand: Sigma-Aldrich(India)
Product number: 114545
Product name : Thymol Blue
Purity: ACS reagent
Packaging: 5G
Price: ₹4427.43
Updated: 2022/06/14
Buy: Buy

Brand: Sigma-Aldrich(India)
Product number: 114545
Product name : Thymol Blue
Purity: ACS reagent
Packaging: 25G
Price: ₹13639.5
Updated: 2022/06/14
Buy: Buy

Brand: Sigma-Aldrich(India)
Product number: 1.08176
Product name : Thymol blue
Purity: indicator ACS,Reag. Ph Eur
Packaging: 5G
Price: ₹6490
Updated: 2022/06/14
Buy: Buy

Brand: Sigma-Aldrich(India)
Product number: 1.08176
Product name : Thymol blue
Purity: indicator ACS,Reag. Ph Eur
Packaging: 25G
Price: ₹16210.01
Updated: 2022/06/14
Buy: Buy

Brand: TCI Chemicals (India)
Product number: T0235
Product name : Thymol Blue
Purity:
Packaging: 1G
Price: ₹1800
Updated: 2022/05/26
Buy: Buy

Thymol Blue Chemical Properties,Usage,Production

Chemical Properties brown to green powder or crystals
Uses As as acid-base indicator; pH: red 1.2 to yellow 2.8; also yellow 8.0 to blue 9.6.
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.