A4750412
2-Hydroxy-1,4-naphthoquinone , 98% , 83-72-7
Synonym(s):
Lawsone;Natural Orange 6
CAS NO.：83-72-7
Empirical Formula: C10H6O3
Molecular Weight: 174.15
MDL number: MFCD00001678
EINECS: 201-496-3
| Pack Size | Price | Stock | Quantity |
| 5G | RMB76.00 | In Stock |
|
| 25G | RMB239.20 | In Stock |
|
| 100G | RMB772.00 | In Stock |
|
| 500g | RMB2799.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 192-195 °C (dec.)(lit.) |
| Boiling point: | 265.11°C (rough estimate) |
| Density | 1.2346 (rough estimate) |
| refractive index | 1.5036 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Acetonitrile (Slightly), Chloroform (Slightly), Methanol (Slightly) |
| form | Crystalline Powder |
| pka | 4.31±0.10(Predicted) |
| Colour Index | 75480 |
| color | Yellow |
| Water Solubility | 2 g/L (20 ºC) |
| λmax | 452 nm |
| Merck | 14,5393 |
| BRN | 1565260 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | CSFWPUWCSPOLJW-UHFFFAOYSA-N |
| LogP | 1.380 |
| CAS DataBase Reference | 83-72-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,4-Naphthalenedione, 2-hydroxy-(83-72-7) |
| EPA Substance Registry System | 2-Hydroxy-1,4-naphthoquinone (83-72-7) |
Description and Uses
An antimicrobial antioxidant dye isolated from Henna.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| Hazard Codes | Xi,Xn |
| Risk Statements | 36/37/38-68-36-22 |
| Safety Statements | 26-37/39-36/37/39-36 |
| WGK Germany | 3 |
| RTECS | QL8200000 |
| TSCA | Yes |
| HS Code | 29146990 |
