Home > Pallav Chemicals > Laboratory Chemicals > 1,2-Naphthoquinone-4 Sulphonic Acid Sodium salt 97% AR
1,2-Naphthoquinone-4 Sulphonic Acid Sodium salt 97% AR
(For determination of amines and amino acid)
Sodium 1,2-naphthoquinone-4-sulphonate
Product Code. |
01784 |
Grade |
|
Purity |
97% |
CAS No. |
521-24-4 |
Molecular Formula |
C10H5NaO5S |
Molecular Weight |
260.20 |
H.S.Code |
2914.79900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Brownish yellow |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
289 °C |
Solubility in water [% weight] |
45 g/l (20°C) |
Packaging
Specification
| Appearance | Brownish yellow powder |
| Assay | Min 97% |
| Sulphate (SO4) | Max 0.05% |
| Total nitrogen (N) | Max 0.05% |
| Loss on drying (at 105°C) | Max 1% |
| Suitability (for detection of amino acid) | Passes test |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338