2-Hydroxy-1,4-naphthoquinone
2-Hydroxy-1,4-naphthoquinone (CAS: 83-72-7) is a chemical compound with the molecular formula C10H6O3 and a molecular weight of 174.15 g/mol. Also known as Lawsone, this compound is recognised for its historical use as a dye and its applications in biological staining. It is a vital reagent in cell biology and hematology, contributing to precise laboratory analyses. TSS supplies this compound for research and development purposes.
- IUPAC
- Lawsone,Natural Orange 6
- Synonyms
- LawsoneNatural Orange 6
Biological Staining
2-Hydroxy-1,4-naphthoquinone, also identified by its Colour Index number 75480, serves as a key component in various biological staining procedures. It is particularly noted for its utility in hematology and histology for differential staining of cells and tissues.
Cell Biology Reagent
In cell biology research, this compound acts as a valuable reagent for specific experimental protocols. Its properties allow for its use in studies requiring precise cellular analysis and observation.
Dye and Pigment Applications
Historically, 2-Hydroxy-1,4-naphthoquinone has been recognised for its dyeing properties, derived from its natural occurrence. While primarily used in laboratory settings, its chromophoric nature suggests potential in specialised dye applications.
| Molecular weight | 174.15 |
|---|---|
| Empirical formula | C10H6O3 |
| Assay | 97% |
| Melting point | 192-195 °C (dec.)(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) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 75480 |
|---|---|
| Absorption | λmax 452 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 2-Hydroxy-1,4-naphthoquinone used for?
+
2-Hydroxy-1,4-naphthoquinone (CAS 83-72-7) is primarily used as a reagent in cell biology, for biological staining in hematology and histology, and historically as a dye. Its absorption spectrum shows a maximum at 452 nm.
What are the CAS number and formula for 2-Hydroxy-1,4-naphthoquinone?
+
The CAS number for 2-Hydroxy-1,4-naphthoquinone is 83-72-7, and its empirical formula (Hill notation) is C10H6O3. The molecular weight is 174.15 g/mol.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2-Hydroxy-1,4-naphthoquinone with a minimum assay of 97%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated. It is typically supplied as a technical or research grade.
What are the safety and handling considerations for 2-Hydroxy-1,4-naphthoquinone?
+
2-Hydroxy-1,4-naphthoquinone is classified as a warning substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. Handle in a well-ventilated area, and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes (P305 + P351 + P338).
How is 2-Hydroxy-1,4-naphthoquinone packed and shipped?
+
2-Hydroxy-1,4-naphthoquinone is carefully packed to ensure stability and safety during transit. TSS is an experienced global supplier and exporter of fine chemicals, adhering to all relevant shipping regulations for international delivery.
How can I request a sample or a quote for 2-Hydroxy-1,4-naphthoquinone?
+
To request a sample or a quotation for 2-Hydroxy-1,4-naphthoquinone, please contact our sales team through the website or by calling our office. Please specify the quantity and intended application.
▶ 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