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VAQORACHEMICALS

Phenolphthalein, indicator papers

Synonyms: 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone · Phthalin · Koprol · Spulmako-lax

CAS No.77-09-8
FormulaC20H14O4
Mol. weight318.30
Catalogue No.VQ-000403
PurityOn COA
HSN38220090

Phenolphthalein, indicator papers (CAS 77-09-8) – indicator. C20H14O4, MW 318.3. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.

Pack sizesPrice on quotation · bulk available
200 lvs
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Phenolphthalein, indicator papers

Vaqora Chemicals supplies Phenolphthalein, indicator papers, an indicator registered under CAS number 77-09-8. The compound has the formula C20H14O4, corresponding to a molecular weight of 318.3 g/mol. Its systematic (IUPAC) name is 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one. Common synonyms include Phthalin and Koprol.

It is supplied as indicator papers. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include titration end-point detection, pH determination and analytical testing. Buyers come mainly from academic and industrial research.

Standard pack sizes are 200 lvs, 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

  • Titration end-point detection
  • pH determination
  • Analytical testing

Industries

Specifications & identifiers

Chemical identifiers
Product namePhenolphthalein, indicator papers
Catalogue No.VQ-000403
CAS Number77-09-8
IUPAC name3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one
Molecular formulaC20H14O4
Molecular weight318.3 g/mol
Exact mass318.0892
HSN code38220090
InChIKeyKJFMBFZCATUALV-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O
PubChem CID4764
Physical properties
Physical formOther
AppearanceIndicator papers
LogP (XLogP3)3.6
H-bond donors / acceptors2 / 4
TPSA66.8 Ų
Synonyms3,3-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)

GHS08 Health hazard
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

Other grades of CAS 77-09-8

Frequently asked questions

What is the CAS number of Phenolphthalein, indicator papers?

The CAS Registry Number of Phenolphthalein, indicator papers 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 papers?

Phenolphthalein, indicator papers 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 papers can I order?

We supply Phenolphthalein, indicator papers, in 200 lvs packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phenolphthalein, indicator papers?

Yes. Every lot of Phenolphthalein, indicator papers 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 papers be shipped internationally?

Yes. Phenolphthalein, indicator papers 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.

Enquire about Phenolphthalein, indicator papers

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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