Naphthol yellow S
- Product NameNaphthol yellow S
- CAS846-70-8
- CBNumberCB7308633
- MFC10H4N2Na2O8S
- MW358.19
- EINECS212-690-2
- MDL NumberMFCD00003958
- MOL File846-70-8.mol
Chemical 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) |
Safety
| Symbol(GHS) |
  GHS07,GHS08 |
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| 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 |
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| NFPA 704: |
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