Phenolphthalein, indicator, 98%+

Name: Phenolphthalein, indicator, 98%+
Brand: Vaqora Chemicals
SKU: VQ-000684

About Phenolphthalein, indicator, 98%+

Phenolphthalein, indicator is a biological stain carrying the CAS registry number 77-09-8 at a purity of ≥98%. Formula C20H14O4, molecular weight 318.3 g/mol. The IUPAC name is 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one. Alternative names: Phthalin and Koprol.

The material typically appears as a white to off-white powder. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span 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.

We offer Phenolphthalein, indicator in 50 g, 100 g, 500 g and 5 kg packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Analytical determinations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Phenolphthalein, indicator, 98%+
Catalogue No.	VQ-000684
CAS Number	77-09-8
IUPAC name	3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one
Molecular formula	C₂₀H₁₄O₄
Molecular weight	318.3 g/mol
Exact mass	318.0892
Purity / assay	≥98%
HSN code	29322090
InChIKey	KJFMBFZCATUALV-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O
PubChem CID	4764

Physical properties
Physical form	Powder
Appearance	White to off-white powder
LogP (XLogP3)	3.6
H-bond donors / acceptors	2 / 4
TPSA	66.8 Å²
Synonyms	3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone, Phthalin, Koprol, Spulmako-lax, Dihydroxyphthalophenone, Phenolphtaleine, Correctol, Laxin, 3,3-Bis(4-hydroxyphenyl)phthalide, Fenolftalein, 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-, 3,3-Bis(p-hydroxyphenyl)phthalide

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H341Suspected of causing genetic defects
H350May cause cancer

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 77-09-8

AR

Phenolphthalein, GR

CAS: 77-09-8
Formula: C₂₀H₁₄O₄
MW: 318.3 g/mol

VQ-000683

Phenolphthalein, indicator papers

CAS: 77-09-8
Formula: C₂₀H₁₄O₄
MW: 318.3 g/mol

VQ-000403

Phenolphthalein, indicator solution

CAS: 77-09-8
Formula: C₂₀H₁₄O₄
MW: 318.3 g/mol

VQ-003627

Frequently asked questions

What is the CAS number of Phenolphthalein, indicator, 98%+?

The CAS Registry Number of Phenolphthalein, indicator, 98%+ is 77-09-8. It is also known as 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone, Phthalin, Koprol.

What is the molecular formula and molecular weight of Phenolphthalein, indicator, 98%+?

Phenolphthalein, indicator, 98%+ has the molecular formula C20H14O4 and a molecular weight of 318.3 g/mol. Its IUPAC name is 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one.

Which grade and pack sizes of Phenolphthalein, indicator, 98%+ can I order?

We supply Phenolphthalein, indicator, 98%+ in (≥98%) grade, in 50 g, 100 g, 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phenolphthalein, indicator, 98%+?

Yes. Every lot of Phenolphthalein, indicator, 98%+ 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 Phenolphthalein, indicator, 98%+ be shipped internationally?

Yes. Phenolphthalein, indicator, 98%+ 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.