2-Diazo-1-naphthol-5-sulfonic acid sodium salt monohydrate

CAS 312619-43-5C10H5N2NaO4S · H2OPolymer Science

2-Diazo-1-naphthol-5-sulfonic acid sodium salt monohydrate (CAS: 312619-43-5), with the empirical formula C10H5N2NaO4S · H2O, is a specialised chemical intermediate. It is primarily utilised in materials science, particularly as an additive and property modifier within polymer science. Its distinct chemical structure lends itself to various applications requiring precise molecular interactions, making it a valuable component in advanced material formulations.

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2-Diazo-1-naphthol-5-sulfonic acid sodium salt monohydrate (C10H5N2NaO4S · H2O) — chemical structure, CAS 312619-43-5; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials SciencePolymer AdditivesPolymer Property ModifiersPolymer Science

01 /Applications

Polymer Additive

Incorporated into polymer formulations to modify and enhance material properties. It can influence characteristics such as thermal stability, photochemistry, or processing behaviour.

Materials Science Reagent

Serves as a key component in the synthesis and development of advanced materials. Its diazo and sulfonic acid functionalities enable participation in diverse chemical reactions.

Photolithography Component

Utilised in the formulation of photoresists and other photolithographic materials, leveraging its light-sensitive diazo group for pattern generation.

Chemical Synthesis Intermediate

Acts as a building block in the multi-step synthesis of more complex organic molecules and specialty chemicals.

02 /Properties

Empirical formula	C10H5N2NaO4S · H2O
Grade	technical grade
Melting point	143 °C (dec.)(lit.)

03 /Safety & handling

Transport (UN / ADR)	UN 3226 4.1
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F,Xi
Risk statements (R)	11-36/37/38
Safety statements (S)	16-26-33-36

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

04 /Identifiers & registry

CAS number

312619-43-5

05 /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.

06 /Frequently asked questions

What is 2-Diazo-1-naphthol-5-sulfonic acid sodium salt monohydrate used for?

This compound is primarily used as a polymer additive, in materials science, and as an intermediate in chemical synthesis. It is particularly relevant in photolithography and polymer property modification.

What are the CAS number and formula for this product?

The CAS number is 312619-43-5, and the empirical formula is C10H5N2NaO4S · H2O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this chemical as technical grade. We do not represent it as USP, BP, or EP grade.

What are the main hazards associated with this chemical?

This chemical is classified as flammable (F) and an irritant (Xi). Specific risks include flammability, and irritation to eyes, respiratory system, and skin (R11-36/37/38). Always handle with appropriate personal protective equipment and ventilation.

How is this chemical packed and shipped?

As a regulated material (UN 3226 4.1), this chemical is packed and shipped according to international transportation regulations for hazardous goods.

How can I request a sample or a quote?

Please contact our sales department or use the online inquiry form on our website to request a sample or a quote for 2-Diazo-1-naphthol-5-sulfonic acid sodium salt monohydrate.