Thymolphthalein, practical grade

Name: Thymolphthalein, practical grade
Brand: Vaqora Chemicals
SKU: VQ-045703

About Thymolphthalein, practical grade

Thymolphthalein (CAS 125-20-2) is a biological stain offered by Vaqora Chemicals (Practical grade). Formula C28H30O4, molecular weight 430.5 g/mol. The IUPAC name is 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one. Alternative names: Thymophthalein and thymolphthaleine.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for histology and cytology staining, microscopy, clinical laboratories and analytical determinations. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 5 g and 25 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Analytical determinations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Thymolphthalein, practical grade
Catalogue No.	VQ-045703
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	Practical
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	Other
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

Extra Pure

Thymolphthalein indicator solution, extra pure

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

VQ-045777

AR

Thymolphthalein, GR

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

VQ-000723

Frequently asked questions

What is the CAS number of Thymolphthalein, practical grade?

The CAS Registry Number of Thymolphthalein, practical grade 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, practical grade?

Thymolphthalein, practical grade 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, practical grade can I order?

We supply Thymolphthalein, practical grade in Practical grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Thymolphthalein, practical grade?

Yes. Every lot of Thymolphthalein, practical grade 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, practical grade be shipped internationally?

Yes. Thymolphthalein, practical grade 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.