Sudan III solution

Name: Sudan III solution
Brand: Vaqora Chemicals
SKU: VQ-003643

About Sudan III solution

Sudan III solution is a diagnostic reagent carrying the CAS registry number 85-86-9. The compound has the formula C22H16N4O, corresponding to a molecular weight of 352.4 g/mol. The IUPAC name is 1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-ol. Common synonyms include Sudan III and Solvent red 23.

In its supplied form it is a red liquid. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

Key uses span clinical chemistry, diagnostic assays, pathology laboratories and biological staining. It is used across academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 100 mL, 500 mL, 5 L and 25 L, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Clinical chemistry
Diagnostic assays
Pathology laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sudan III solution
Catalogue No.	VQ-003643
CAS Number	85-86-9
IUPAC name	1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-ol
Molecular formula	C₂₂H₁₆N₄O
Molecular weight	352.4 g/mol
Exact mass	352.1324
HSN code	38229090
InChIKey	FHNINJWBTRXEBC-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)N=NC2=CC=C(C=C2)N=NC3=C(C=CC4=CC=CC=C43)O
PubChem CID	62331

Physical properties
Physical form	Solution
Appearance	Red liquid
LogP (XLogP3)	5.9
H-bond donors / acceptors	1 / 5
TPSA	69.7 Å²
Synonyms	Sudan III, Solvent red 23, C.I. Solvent Red 23, Toney Red, Fettponceau G, Cerasin Red, Fat Scarlet LB, Sudan Red III, Rouge cerasine, Stearix Scarlet, Pyronalrot B, Sudan P III

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H315Causes skin irritation
H318Causes serious eye damage

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P354 + P338, P317, P321, P332 + P317, P362 + P364

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 85-86-9

Microscopy

Sudan III

CAS: 85-86-9
Formula: C₂₂H₁₆N₄O
MW: 352.4 g/mol

VQ-000712

Frequently asked questions

What is the CAS number of Sudan III solution?

The CAS Registry Number of Sudan III solution is 85-86-9. It is also known as Sudan III, Solvent red 23, C.I. Solvent Red 23.

What is the molecular formula and molecular weight of Sudan III solution?

Sudan III solution has the molecular formula C22H16N4O and a molecular weight of 352.4 g/mol. Its IUPAC name is 1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-ol.

Which grade and pack sizes of Sudan III solution can I order?

We supply Sudan III solution, in 100 mL, 500 mL, 5 L, 25 L packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sudan III solution?

Yes. Every lot of Sudan III 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 Sudan III solution be shipped internationally?

Yes. Sudan III 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.