Phenol red sodium salt, indicator

Name: Phenol red sodium salt, indicator
Brand: Vaqora Chemicals
SKU: VQ-000681

About Phenol red sodium salt, indicator

Phenol red sodium salt, indicator is a biological stain carrying the CAS registry number 34487-61-1. Formula C19H13NaO5S, molecular weight 376.4 g/mol. Its systematic (IUPAC) name is sodium 2-[(4-hydroxyphenyl)-(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate. Alternative names: Phenolsulfonephthalein sodium salt and Phenolsulfonephthalein sodium.

The material typically appears as a dark red powder. Key physical data: a melting point of 285 °C (dec.). Its solubility is described as soluble1 mg/mL. Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.

It is commonly used for histology and cytology staining, microscopy and clinical laboratories. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Available in 5 g, 25 g, 100 g and 1 kg packs, Phenol red sodium salt, indicator is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product name	Phenol red sodium salt, indicator
Catalogue No.	VQ-000681
CAS Number	34487-61-1
IUPAC name	sodium 2-[(4-hydroxyphenyl)-(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
Molecular formula	C₁₉H₁₃NaO₅S
Molecular weight	376.4 g/mol
Exact mass	376.0381
HSN code	32049000
InChIKey	RBFZWTMVVUVHLM-UHFFFAOYSA-M
SMILES	C1=CC=C(C(=C1)C(=C2C=CC(=O)C=C2)C3=CC=C(C=C3)O)S(=O)(=O)[O-].[Na+]
PubChem CID	4013450

Physical properties
Physical form	Powder
Appearance	Dark red powder
Melting point	285 °C (dec.)
Solubility	H2O: soluble1 mg/mL
H-bond donors / acceptors	1 / 5
TPSA	103 Å²
Synonyms	Phenolsulfonephthalein sodium salt, Phenolsulfonephthalein sodium, phenol red sodium, Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide, monosodium salt, Phenol Red (sodium salt), Sodium Phenol Red, sodium,4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenolate

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 34487-61-1

ACS

Phenol red sodium salt, indicator, ACS

CAS: 34487-61-1
Formula: C₁₉H₁₃NaO₅S
MW: 376.4 g/mol

VQ-045831

Frequently asked questions

What is the CAS number of Phenol red sodium salt, indicator?

The CAS Registry Number of Phenol red sodium salt, indicator is 34487-61-1. It is also known as Phenolsulfonephthalein sodium salt, Phenolsulfonephthalein sodium, phenol red sodium.

What is the molecular formula and molecular weight of Phenol red sodium salt, indicator?

Phenol red sodium salt, indicator has the molecular formula C19H13NaO5S and a molecular weight of 376.4 g/mol. Its IUPAC name is sodium 2-[(4-hydroxyphenyl)-(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate.

Which grade and pack sizes of Phenol red sodium salt, indicator can I order?

We supply Phenol red sodium salt, indicator, in 5 g, 25 g, 100 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phenol red sodium salt, indicator?

Yes. Every lot of Phenol red sodium salt, indicator 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 Phenol red sodium salt, indicator be shipped internationally?

Yes. We export Phenol red sodium salt, indicator worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.