T8943630
Naphthol Yellow S Hydrate , >98.0%(T)(HPLC) , 846-70-8
Synonym(s):
2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt;5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt;Acid Yellow 1;Flavianic acid sodium salt
CAS NO.:846-70-8
Empirical Formula: C10H4N2Na2O8S
Molecular Weight: 358.19
MDL number: MFCD00003958
EINECS: 212-690-2
| Pack Size | Price | Stock | Quantity |
| 25g | RMB416.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | >300℃ |
| storage temp. | Room Temperature |
| solubility | Acetonitrile (Slightly), DMSO (Slightly) |
| Colour Index | 10316 |
| form | powder |
| color | Light Yellow to Dark Yellow |
| Merck | 14,6393 |
| BRN | 2708476 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| Major Application | cleaning products cosmetics food and beverages personal care |
| Cosmetics Ingredients Functions | HAIR DYEING COLORANT |
| InChI | 1S/C10H6N2O8S.2Na/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17;;/h1-4,13H,(H,18,19,20);;/q;2*+1/p-2 |
| InChIKey | CTIQLGJVGNGFEW-UHFFFAOYSA-L |
| SMILES | [Na+].[Na+].[O-]c1c(cc([N+]([O-])=O)c2ccc(cc12)S([O-])(=O)=O)[N+]([O-])=O |
| EPA Substance Registry System | C.I. Acid Yellow 1 (846-70-8) |
Description and Uses
Naphthol Yellow S Hydrate is used in methods for dying of textiles.
Safety
| Symbol(GHS) | ![]() ![]() GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | H317-H373 |
| Precautionary statements | P280-P302+P352-P314 |
| PPE | Eyeshields, Gloves, type N95 (US) |
| Hazard Codes | Xi,C,F |
| Risk Statements | 11-34 |
| Safety Statements | 22-24/25-45-36/37/39-26-16 |
| WGK Germany | 3 |
| RTECS | QK1813000 |
| Hazard Note | Irritant |
| TSCA | TSCA listed |
| HS Code | 32129000 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Skin Sens. 1 STOT RE 2 |






