Skip to Content
Merck
CN

Key Documents

View All Documentation

861367

Thymol Blue sodium salt

ACS reagent, Dye content 95 %

Synonym(s):

Thymolsulfonphthalein sodium salt

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C27H29NaO5S
CAS Number:
62625-21-2
Molecular Weight:
488.57
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24888538
EC Number:
263-650-6
Beilstein/REAXYS Number:
3861515
MDL number:
MFCD00151093
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

ACS reagent

Quality Segment

form

powder or crystals

composition

Dye content, 95%

clarity of soln

passes test

visual transition interval

1.2-2.8, red to yellow(acid range), 8.0-9.2, yellow to blue(alkaline range)

mp

283-285 °C (dec.) (lit.)

λmax

378 nm (2nd), 590 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].CC(C)c1cc(c(C)cc1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C(C)C)c([O-])cc4C

InChI

1S/C27H30O5S.Na/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;/q;+1/p-1

InChI key

BAVBEHWEOJMHDS-UHFFFAOYSA-M

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library