Thymol blue
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Product Description
Product
Thymol blue
CAS
76-61-9
Formula
C27H30O5S
Synonym
Thymol blue; 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; Thymolsulfonephthalein; Thymolsulfonphthalein Thymolsulfophthalein; Thymolsulfophthalein; Thymolsulphonphthalein; Thymosulfonphthalein; UNII-8YB4804L4M; ; 4,4- (3H-2,1-Benzoxathiol-3-ylidene) bis (5-methyl-2- (1-methylethyl) phenol S,S-dioxide; 5-19-03-00462 (Beilstein Handbook Reference); BRN 0368036; EINECS 200-973-3; NSC 11238; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)-; 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; Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-, S,S-dioxide
Typical Product Specifications
Molecular weight
466.59
SMILES
c1cc2S(OC(c2cc1)(c1c(cc(c(c1)C(C)C)O)C)c1cc(c(cc1C)O)C(C)C)(=O)=O
InChI
1S/C27H30O5S/c1-15(2)19-13-22(17(5)11-24(19)28)27(21-9-7-8-10-26(21)33(30,31)32-27)23-14-20(16(3)4)25(29)12-18(23)6/h7-16,28-29H,1-6H3
InChIKey
PRZSXZWFJHEZBJ-UHFFFAOYSA-N
Water solubility
110 mg/L
Atmospheric OH Rate Constant
2.05E-10 cm3/molecule-sec
Melting Point
223 dec ° C
log P (octanol-water)
7.210
Notes
Thymol blue uses and applications include: Acid-base (pH) indicator useful in the pH range 1.2 (red) - 2.8 (yellow) and 8.0 (yellow) - 9.2 (blue); commonly used as the water-solution sodium salt or as a soln. in dilute sodium hydroxide
Class
Functions
Thymol blue
![iso certificate](/_next/image?url=%2Fimages%2Fcertificates%2Fiso.png&w=256&q=75)
Product Description
Product
Thymol blue
CAS
76-61-9
Formula
C27H30O5S
Synonym
Thymol blue; 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; Thymolsulfonephthalein; Thymolsulfonphthalein Thymolsulfophthalein; Thymolsulfophthalein; Thymolsulphonphthalein; Thymosulfonphthalein; UNII-8YB4804L4M; ; 4,4- (3H-2,1-Benzoxathiol-3-ylidene) bis (5-methyl-2- (1-methylethyl) phenol S,S-dioxide; 5-19-03-00462 (Beilstein Handbook Reference); BRN 0368036; EINECS 200-973-3; NSC 11238; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)-; 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; Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-, S,S-dioxide
Typical Product Specifications
Molecular weight
466.59
SMILES
c1cc2S(OC(c2cc1)(c1c(cc(c(c1)C(C)C)O)C)c1cc(c(cc1C)O)C(C)C)(=O)=O
InChI
1S/C27H30O5S/c1-15(2)19-13-22(17(5)11-24(19)28)27(21-9-7-8-10-26(21)33(30,31)32-27)23-14-20(16(3)4)25(29)12-18(23)6/h7-16,28-29H,1-6H3
InChIKey
PRZSXZWFJHEZBJ-UHFFFAOYSA-N
Water solubility
110 mg/L
Atmospheric OH Rate Constant
2.05E-10 cm3/molecule-sec
Melting Point
223 dec ° C
log P (octanol-water)
7.210
Notes
Thymol blue uses and applications include: Acid-base (pH) indicator useful in the pH range 1.2 (red) - 2.8 (yellow) and 8.0 (yellow) - 9.2 (blue); commonly used as the water-solution sodium salt or as a soln. in dilute sodium hydroxide
Class
Functions