Disperse Black 9
Disperse Black 9 (CAS 20721-50-0), with the linear formula H2NC6H4N=NC6H4N(CH2CH2OH)2, is a chemical compound with a molecular weight of 300.36 g/mol. This azo dye is primarily utilised as a staining agent in various laboratory applications, including cell biology and histology. Its characteristic absorption maximum at 461 nm makes it suitable for specific dyeing and analytical purposes.
- IUPAC
- 2,2′-[4-(4-Aminophenylazo)phenylimino]diethanol
Histological Staining
Disperse Black 9 serves as a stain in histology, aiding in the visualisation of cellular structures and tissues under microscopic examination. Its use is important for diagnostic and research purposes in biological sciences.
Cell Biology Applications
In cell biology, this dye can be employed for staining cells and cellular components. This facilitates the study of cell morphology, differentiation, and various biological processes.
Dyeing Agent
As a disperse dye, Disperse Black 9 is suitable for dyeing hydrophobic fibres. Its application extends to the textile industry where specific black hues are required.
| Molecular weight | 300.36 |
|---|---|
| Linear formula | H2NC6H4N=NC6H4N(CH2CH2OH)2 |
| Melting point | 157-160 °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 461 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 Disperse Black 9 used for?
+
Disperse Black 9 is used as a staining agent in histology and cell biology. It is also applied as a disperse dye for fibres.
What is the CAS number and chemical formula for Disperse Black 9?
+
The CAS number for Disperse Black 9 is 20721-50-0, and its linear chemical formula is H2NC6H4N=NC6H4N(CH2CH2OH)2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Disperse Black 9 in a technical/research grade. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should Disperse Black 9 be handled safely?
+
Disperse Black 9 can cause skin irritation, eye irritation, and respiratory irritation. When handling, use a dust mask type N95 (US), wear eyeshields and gloves. Ensure good ventilation and avoid breathing dust. Refer to the Safety Data Sheet for comprehensive handling guidelines.
How is Disperse Black 9 packed and shipped?
+
Disperse Black 9 is typically packed in appropriate containers to ensure safe transit and storage. We export globally, adhering to all relevant shipping regulations.
How can I request a quote or sample for Disperse Black 9?
+
To request a quote or sample of Disperse Black 9, please contact our sales team via the website or provide your details through the product inquiry form.
▶ Related products
(−)-Curcumol
C15H24O2
Cell Biology
(±) Clopidogrel hydrogensulfate
Cell Biology
(±)-L-Alliin
C6H11NO3S
Cell Biology
(±)-2-Amino-4-phosphonobutyric acid
C4H10NO5P
Cell Biology
(±)-2-Methylarachidonoyl-2′-fluoroethylamide
C23H38NOF
Cell Biology
(±)-3,4-Methylenedioxy-N-ethylamphetamine hydrochloride
Cell Biology
(±)-3,4-Methylenedioxyamphetamine hydrochloride
Cell Biology
(±)-3,4-Methylenedioxymethamphetamine hydrochloride
Cell Biology
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis