Metanil Yellow

CAS 587-98-4C18H14N3NaO3SCell Biology

Metanil Yellow (CAS: 587-98-4; C18H14N3NaO3S) is an azo dye recognised for its acidic properties and vibrant colour. It is a key indicator and stain used in various laboratory applications, particularly within cell biology and histology for staining purposes. This compound is essential for precise microscopic examinations and diagnostic procedures, offering reliable staining results for researchers and scientists. Its consistent performance makes it a valuable reagent in scientific research.

IUPAC: 3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt,Acid Yellow 36
Synonyms: 3-(4-Anilinophenylazo)benzenesulfonic acid sodium saltAcid Yellow 36

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Metanil Yellow (C18H14N3NaO3S) — chemical structure, CAS 587-98-4; Life Science, fine chemical supplied by Tech Serve Solutions

Cell BiologyHematology and HistologyStains & DyesA to ZStains and Dyes

01 /Applications

Histological Staining

Metanil Yellow is utilised as a stain in histological preparations, aiding in the visualisation of cellular structures and tissues under microscopic examination. It is particularly effective for highlighting certain cell components.

Cell Biology Research

In cell biology, this dye serves as a vital staining agent for observing cellular morphology and dynamics. Its application assists in differentiating various cell types and structures in experimental settings.

Dye Indicator

As an indicator dye, Metanil Yellow can be employed in specific analytical chemistry applications where a colour change is required to signal a reaction endpoint or pH shift.

02 /Properties

Molecular weight	375.38
Empirical formula	C18H14N3NaO3S

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H317May cause an allergic skin reaction

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection

Protective equipment	dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Water hazard class (WGK, DE)	2
Hazard codes (EU)	Xi
Risk statements (R)	43
Safety statements (S)	36/37

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

587-98-4

MDL number

MFCD00007486

Beilstein registry

3831568

05 /Additional specifications

Colour Index Number	13065

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Metanil Yellow used for?

Metanil Yellow is primarily used as a stain in histology and cell biology for microscopic examination, and also as a dye indicator in certain analytical applications.

What are the CAS number and formula for Metanil Yellow?

The CAS number for Metanil Yellow is 587-98-4, and its molecular formula is C18H14N3NaO3S.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Metanil Yellow as a technical or research grade product. We do not represent it as USP, BP, or EP grade.

How should Metanil Yellow be handled safely?

Handle Metanil Yellow with appropriate personal protective equipment, including a dust mask (N95), eyeshields, face shields, and gloves. It is classified as a warning substance that may cause an allergic skin reaction (H317).

Is Metanil Yellow a controlled substance?

The provided data does not indicate that Metanil Yellow is a controlled substance.

How is Metanil Yellow packed, shipped, and exported?

Metanil Yellow is carefully packed to ensure integrity during transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.