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CAS RN: 846-70-8 | Product Number: F0100
Naphthol Yellow S Hydrate
- 2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt Hydrate
- Disodium 2,4-Dinitro-1-naphthol-7-sulfonate Hydrate
- Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate Hydrate
- 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt Hydrate
- Flavianic Acid Disodium Salt Hydrate
- Acid Yellow 1 Hydrate
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
|Purity / Analysis Method||>98.0%(T)(HPLC)|
|Molecular Formula / Molecular Weight||C__1__0H__4N__2Na__2O__8S·xH__2O = 358.19|
|Physical State (20 deg.C)||Solid|
|Reaxys Registry Number||3839220|
|PubChem Substance ID||87569899|
|Merck Index (14)||6393|
|Appearance||Light yellow to Brown powder to crystal|
|Purity(HPLC)||min. 98.0 area%|
|Purity(Nonaqueous Titration)||min. 98.0 %(calcd.on anh.substance)|
|Lambda max.||427.0 to 431.0 nm(H2O)|
|Lambda max.2||390.0 to 394.0 nm(H2O)|
|Absorbance(E1%1cm)||min. 430(H2O, 427.0 to 431.0 nm)|
|Absorbance(E1%1cm)2||min. 420(H2O, 390.0 to 394.0 nm)|
|Water||max. 8.0 %|
|Maximum Absorption Wavelength||429(H2O) nm|
|Solubility in water||Soluble|
|Solubility (miscible with)||Sulphuric acid|
|Solubility (slightly sol. in)||Ethanol|
|Hazard Statements||H317 : May cause an allergic skin reaction.
|Precautionary Statements||P501 : Dispose of contents/ container to an approved waste disposal plant.
P261 : Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P272 : Contaminated work clothing should not be allowed out of the workplace.
P280 : Wear protective gloves.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention.
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