Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Thymol Blue
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Purity: 98.0%
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76-61-9

76-61-9 structure

Name: Thymol blue
Chemical Name: Thymol Blue
CAS Number: 76-61-9
Molecular Formula: C₂₇H₃₀O₅S
Molecular Weight: 466.589
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Fluoropyridine
Create Date: 2018-02-08 08:00:00
Modify Date: 2026-06-30 16:42:02

Name	Thymol Blue
Synonyms	HALF FRASER BROTH 30X a-Hydroxy-a,a-bis(5-hydroxycarvacryl)-o-toluenesulfonic Acid g-Sultone Thymolsulfonhalein ThyMol Blue TS, Test Solution Phenol,4,4’-(3H-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)-,S,S-dioxide MFCD00005869 S NO 3,3'-di-iso-propyl-6,6'-dimethylphenolsulphonephthalein THYMOL BLUE SOLUTION ACID BASE INDICATOR 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)phenol] S,S-Dioxide 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)-3H-2,1-benzoxathiol 1,1-dioxide Thymolsulfonephalein thymol,6,6’-(3h-2,1-benzoxathiol-3-ylidene)di-,s,s-dioxide THYMOL BLUE FREE ACID Thymolsulphonphthalein Thymol Blue, indicator Thymol Blue,indicator 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)phenols,s-di Thymosulfonphthalein Nsc Thymolsulfonephthalein Thymol Blue ( in ca. Ethanol)[for Titration] s-dioxide 6,6’-(3h-2,1-benzoxathiol-3-ylidene)dithymols,s-dioxide Thymol Blue p.a THYMOL BLUE ETHANOL 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-isopropyl-5-methylphenol) THYMOL BLUE INDICATOR SOLUTION 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide Thymol Blue,ACS 3,3-Bis(4-hydroxy-5-isopropyl-2-Methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis5-methyl-2-(1-methylethyl) 3,3'-diisopropyl-6-6'-dimethylphenolsulfonephthalein Thymol blue, solution 0, indicator ThyMol blue [Ink] 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)-pheno THYMOLBLUE LABOTEST-BB LT00454334 THYMOLSULFONPHTHALEIN THYMOL BLUE INDICATOR 4,4'-[(3H-2,1-Benzoxathiole 1,1-dioxide)-3-ylidene]bis(5-methyl-2-isopropylphenol) bleudethymol THYMOL BLUE, FREE ACID 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl) THYMOL BLUE, FREE ACID, THYMOL BLUE, FREE ACID, THYMOL BLUE, FREE ACID ThymolBlueIndicator Thymol blue, For analysis 2,2'-dimethyl-5,5'-diisopropylphenolsulfophthalein 5-19-03-00462 (Beilstein Handbook Reference) Thymol, 6,6'-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)phenol] S,S-dioxide THYMOL BLUE S NO 879 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)-3H-2,1-benzoxathiole 1,1-dioxide Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-, S,S-dioxide Thymol Blue ( in Water) [for pH Determination] THYMOLSULFONHTHALEIN EINECS 200-973-3 THYMOL BLUE TS Thymolsulfophthalein Thymol blue: (6,6(3H-2,1-benzoxathiol-3-ylidene)di-,S,S-dioxide) Thymolsulphonhthalein THYMOL BLUE SOLUTION ML 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[5-methyl-2-(propan-2-yl)phenol] PHYMOLSULFONPHTHALEIN

Density	1.3±0.1 g/cm3
Boiling Point	580.5±50.0 °C at 760 mmHg
Melting Point	221 °C
Molecular Formula	C₂₇H₃₀O₅S
Molecular Weight	466.589
Flash Point	304.9±30.1 °C
Exact Mass	466.181396
PSA	92.21000
LogP	6.62
Vapour Pressure	0.0±1.7 mmHg at 25°C
Index of Refraction	1.611
Storage condition	Store at RT.
Stability	Stable. Combustible. Dust may form an explosive mixture with air. Incompatible with strong oxidizing agents.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XP2575000

CHEMICAL NAME :: Thymol, 6,6'-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide

CAS REGISTRY NUMBER :: 76-61-9

BEILSTEIN REFERENCE NO. :: 0368036

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C27-H30-O5-S

MOLECULAR WEIGHT :: 466.63

WISWESSER LINE NOTATION :: T56 BSWO DHJ DR DQ B1 EY1&1& DR DQ B1 EY1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: DNA adduct

TEST SYSTEM :: Bacteria - Escherichia coli

DOSE/DURATION :: 50 umol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 89,95,1981 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82025 No. of Facilities: 299 (estimated) No. of Industries: 9 No. of Occupations: 7 No. of Employees: 2265 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82025 No. of Facilities: 301 (estimated) No. of Industries: 3 No. of Occupations: 6 No. of Employees: 2597 (estimated) No. of Female Employees: 1301 (estimated)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn
Risk Phrases	10
Safety Phrases	S24/25
RIDADR	UN 1170 3/PG 3
RTECS	XP2575000

Precursor 4
89-83-8 81-08-3 861304-71-4 5435-44-9
DownStream 2
76-59-5 62625-21-2

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