Phenol red, solution

Name: Phenol red, solution
Brand: Vaqora Chemicals
SKU: VQ-003626

About Phenol red, solution

Phenol red, solution is a diagnostic reagent carrying the CAS registry number 143-74-8. Its molecular formula is C19H14O5S and its molecular weight is 354.4 g/mol. Systematically, it is named 4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol. Alternative names: phenolsulfonphthalein and Sulphonthal.

The product is provided as a liquid. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for clinical chemistry, diagnostic assays, pathology laboratories and indicator for titrations. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

We offer Phenol red, solution in 125 mL, 500 mL and 25 L 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

Clinical chemistry
Diagnostic assays
Pathology laboratories
Indicator for titrations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Phenol red, solution
Catalogue No.	VQ-003626
CAS Number	143-74-8
IUPAC name	4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol
Molecular formula	C₁₉H₁₄O₅S
Molecular weight	354.4 g/mol
Exact mass	354.0562
HSN code	38229090
InChIKey	BELBBZDIHDAJOR-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O
PubChem CID	4766

Physical properties
Physical form	Solution
Appearance	Liquid
LogP (XLogP3)	3
H-bond donors / acceptors	2 / 5
TPSA	92.2 Å²
Synonyms	phenolsulfonphthalein, Sulphonthal, PSP (indicator), Phenolsulphonphthalein, Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, (S,S-dioxide), 3,3-bis(4-hydroxyphenyl)-3H-2,1??-benzoxathiole-1,1-dione, 2-(Bis(4-hydroxyphenyl)methyliumyl)benzenesulfonate, Sulfonphthal, Sulphental, 3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, Phenolsulfonephthalein, Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 143-74-8

AR

Phenol red, GR

CAS: 143-74-8
Formula: C₁₉H₁₄O₅S
MW: 354.4 g/mol

VQ-000682

Practical

Phenol red, practical grade

CAS: 143-74-8
Formula: C₁₉H₁₄O₅S
MW: 354.4 g/mol

VQ-045723

Frequently asked questions

What is the CAS number of Phenol red, solution?

The CAS Registry Number of Phenol red, solution is 143-74-8. It is also known as phenolsulfonphthalein, Sulphonthal, PSP (indicator).

What is the molecular formula and molecular weight of Phenol red, solution?

Phenol red, solution has the molecular formula C19H14O5S and a molecular weight of 354.4 g/mol. Its IUPAC name is 4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol.

Which grade and pack sizes of Phenol red, solution can I order?

We supply Phenol red, solution, in 125 mL, 500 mL, 25 L packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phenol red, solution?

Yes. Every lot of Phenol red, solution 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, solution be shipped internationally?

Yes. Phenol red, solution 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.