4-Chloro-3-[4-[4-(dimethylamino)benzylidene]-3-methyl-5-oxo-2-pyrazolin-1-yl]benzenesulfonic acid triethylammonium salt
4-Chloro-3-[4-[4-(dimethylamino)benzylidene]-3-methyl-5-oxo-2-pyrazolin-1-yl]benzenesulfonic acid triethylammonium salt (CAS: 143193-48-0) is a chemical compound with the formula C25H32ClN4O4S and a molecular weight of 520.06 g/mol. This substance, identified by PubChem Substance ID 24864061, functions primarily as a building block in chemical synthesis and is noted for its properties as a dye, with an absorption maximum at 501 nm. It is supplied by Tech Serve Solutions for research and development purposes.
![4-Chloro-3-[4-[4-(dimethylamino)benzylidene]-3-methyl-5-oxo-2-pyrazolin-1-yl]benzenesulfonic acid triethylammonium salt (C25H32ClN4O4S) — chemical structure, CAS 143193-48-0; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F143193-48-0.png&w=3840&q=75)
Chemical Synthesis Intermediate
This compound serves as a versatile intermediate in organic synthesis. Its specific structure, featuring a pyrazolin-1-yl core with various substituents, makes it valuable for constructing more complex molecules.
Dye and Pigment Research
With an absorption maximum (λmax) at 501 nm, this substance exhibits properties characteristic of a dye. It may be utilised in research concerning novel colourants or materials with specific optical properties.
Heterocyclic Building Block
As a halogenated heterocyclic compound, it is classified as a key building block for creating diverse heterocyclic structures. These are fundamental components in pharmaceuticals, agrochemicals, and materials science.
| Molecular weight | 520.06 |
|---|---|
| Empirical formula | C25H32ClN4O4S |
| Composition | Dye content, 95% |
| Melting point | 194-197 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 501 nm |
|---|
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.
What is 4-Chloro-3-[4-[4-(dimethylamino)benzylidene]-3-methyl-5-oxo-2-pyrazolin-1-yl]benzenesulfonic acid triethylammonium salt used for?
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This compound is primarily used as a building block in chemical synthesis and for research related to dyes and pigments due to its optical absorption properties.
What are the CAS number and molecular formula for this compound?
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The CAS number is 143193-48-0 and the molecular formula is C25H32ClN4O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with a dye content of 95%. As this is a technical or research grade material, TSS does not represent it as USP, BP, EP, or for any pharmaceutical, nutraceutical, or food applications.
How should this chemical be handled safely?
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This compound is classified as a Warning substance with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). It is recommended to use a P261 (avoid breathing dust), wear eyeshields, gloves, a dust mask type N95 (US), and ensure adequate ventilation. Avoid ingestion and contact with skin and eyes. In case of contact, follow precautionary statements P305 + P351 + P338.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions exports this chemical globally, adhering to all necessary regulations for the safe transport of chemical goods. Specific packaging details will be provided upon request and order confirmation.
How can I request a sample or a quote for this product?
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To request a sample or a quote, please contact the Tech Serve Solutions sales department via the website or direct email, providing the product name and CAS number.
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