Thymolphthalein indicator solution, extra pure 125-20-2

Name: Thymolphthalein indicator solution, extra pure
Brand: Vaqora Chemicals
SKU: VQ-045777

About Thymolphthalein indicator solution, extra pure

Thymolphthalein indicator solution is a biological stain in Extra Pure grade carrying the CAS registry number 125-20-2. Formula C28H30O4, molecular weight 430.5 g/mol. Systematically, it is named 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one. Alternative names: Thymophthalein and thymolphthaleine.

It is supplied as a solution. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span histology and cytology staining, microscopy, clinical laboratories and indicator for titrations. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies Thymolphthalein indicator solution in 5 g, 25 g, 125 mL and 1000 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Indicator for titrations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Thymolphthalein indicator solution, extra pure
Catalogue No.	VQ-045777
CAS Number	125-20-2
IUPAC name	3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one
Molecular formula	C₂₈H₃₀O₄
Molecular weight	430.5 g/mol
Exact mass	430.2144
Grade	Extra Pure
HSN code	29322090
InChIKey	LDKDGDIWEUUXSH-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
PubChem CID	31316

Physical properties
Physical form	Solution
LogP (XLogP3)	6.8
H-bond donors / acceptors	2 / 4
TPSA	66.8 Å²
Synonyms	Thymophthalein, 1(3H)-Isobenzofuranone, 3,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-, Phenolphthalein, 5',5''-diisopropyl-2',2''-dimethyl-, 3,3-Bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide, 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-, 3,3-bis(4-hydroxy-5-isopropyl-2-methylphenyl)isobenzofuran-1(3H)-one, 5',5''-Diisopropyl-2',2''-dimethylphenolphthalein, 3,3-Bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3H)-isobenzofuranone, 3,3-bis(4-hydroxy-5-isopropyl-2-methyl-phenyl)isobenzofuran-1-one, 3,3-bis[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]-2-benzofuran-1(3H)-one, 3,3-bis[4-hydroxy-2-methyl-5-(methylethyl)phenyl]-3-hydroisobenzofuran-1-one, thymolphthaleine

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H341Suspected of causing genetic defects
H350May cause cancer
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 125-20-2

AR

Thymolphthalein, GR

CAS: 125-20-2
Formula: C₂₈H₃₀O₄
MW: 430.5 g/mol

VQ-000723

Practical

Thymolphthalein, practical grade

CAS: 125-20-2
Formula: C₂₈H₃₀O₄
MW: 430.5 g/mol

VQ-045703

Frequently asked questions

What is the CAS number of Thymolphthalein indicator solution, extra pure?

The CAS Registry Number of Thymolphthalein indicator solution, extra pure is 125-20-2. It is also known as Thymophthalein, 1(3H)-Isobenzofuranone, 3,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-, Phenolphthalein, 5',5''-diisopropyl-2',2''-dimethyl-.

What is the molecular formula and molecular weight of Thymolphthalein indicator solution, extra pure?

Thymolphthalein indicator solution, extra pure has the molecular formula C28H30O4 and a molecular weight of 430.5 g/mol. Its IUPAC name is 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one.

Which grade and pack sizes of Thymolphthalein indicator solution, extra pure can I order?

We supply Thymolphthalein indicator solution, extra pure in Extra Pure grade, in 5 g, 25 g, 125 mL, 1000 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Thymolphthalein indicator solution, extra pure?

Yes. Every lot of Thymolphthalein indicator solution, extra pure is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Thymolphthalein indicator solution, extra pure be shipped internationally?

Yes. Thymolphthalein indicator solution, extra pure is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.