Orange II sodium salt
Orange II sodium salt (CAS: 633-96-5), with the molecular formula C16H11N2NaO4S and a molecular weight of 350.32 g/mol, is a synthetic azo dye. It is certified by the Biological Stain Commission and primarily used as a histological and haematological stain. Its vibrant colour and specific staining properties make it valuable in biological research and diagnostic applications for visualising cellular structures.
- IUPAC
- 4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt,Acid Orange 7,Acid Orange A,Orange II,Tropaeolin 000 No. 2
- Synonyms
- 4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium saltAcid Orange 7Acid Orange ATropaeolin 000 No. 2
Histological Staining
Orange II sodium salt is employed in histology for staining tissue sections. It helps in differentiating cellular components, particularly in conjunction with other stains, aiding in microscopic examination and diagnosis.
Biological Research
As a certified stain, it finds application in various cell biology studies. Its ability to bind to specific cellular structures allows researchers to visualise and analyse cell morphology and organisation.
Hematology
In hematology, this dye is used for staining blood smears. It assists in the differential counting of blood cells and the examination of their morphology, supporting clinical diagnostics.
| Molecular weight | 350.32 |
|---|---|
| Empirical formula | C16H11N2NaO4S |
| Grade | certified by the Biological Stain Commission |
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| 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.
| Colour Index Number | 15510 |
|---|
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 Orange II sodium salt used for?
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Orange II sodium salt is primarily used as a histological and haematological stain for visualising cellular structures in biological research and diagnostic applications. It is certified by the Biological Stain Commission.
What are the CAS number and formula for Orange II sodium salt?
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The CAS number for Orange II sodium salt is 633-96-5, and its molecular formula is C16H11N2NaO4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Orange II sodium salt certified by the Biological Stain Commission. We do not represent this product as USP, BP, or EP grade.
How should Orange II sodium salt be handled safely?
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Orange II sodium salt is classified as an irritant. Handle with appropriate personal protective equipment, avoiding contact with skin, eyes, and inhalation of dust. Ensure good ventilation. Refer to the Safety Data Sheet for detailed handling instructions.
Is Orange II sodium salt a controlled substance?
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The provided data does not indicate that Orange II sodium salt is a controlled substance.
How is Orange II sodium salt typically packed and shipped?
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Orange II sodium salt is carefully packed to ensure product integrity during domestic and international export. Specific packaging details are available upon request.
How can I request a sample or quote for Orange II sodium salt?
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To request a sample or quote for Orange II sodium salt, please contact our sales team through the website or by phone, providing your specific requirements.
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