5-(Dimethylamino)-1-naphthalenesulfonic acid
- CAS NO.：4272-77-9
- Empirical Formula: C12H13NO3S
- Molecular Weight: 251.3
- MDL number: MFCD00003995
- EINECS: 224-268-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:03:11
What is 5-(Dimethylamino)-1-naphthalenesulfonic acid?
Chemical properties
5-(Dimethylamino)-1-naphthalenesulfonic acid is white to off-white or beige-greyish powder
The Uses of 5-(Dimethylamino)-1-naphthalenesulfonic acid
5-(Dimethylamino)-1-naphthalenesulfonic acid is a fluorescent molecule used in protein analysis and FRET detection.
Properties of 5-(Dimethylamino)-1-naphthalenesulfonic acid
| Melting point: | 316 °C |
| Density | 1.363±0.06 g/cm3(Predicted) |
| storage temp. | Refrigerator |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated) |
| form | Solid |
| pka | -0.22±0.40(Predicted) |
| color | White to Off-White |
| InChI | InChI=1S/C12H13NO3S/c1-13(2)11-7-3-6-10-9(11)5-4-8-12(10)17(14,15)16/h3-8H,1-2H3,(H,14,15,16) |
| EPA Substance Registry System | 1-Naphthalenesulfonic acid, 5-(dimethylamino)- (4272-77-9) |
Safety information for 5-(Dimethylamino)-1-naphthalenesulfonic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 5-(Dimethylamino)-1-naphthalenesulfonic acid
| InChIKey | USWNUPFIMWECBM-UHFFFAOYSA-N |
| SMILES | C1(S(O)(=O)=O)=C2C(C(N(C)C)=CC=C2)=CC=C1 |
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