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Home Chemnovo Laboratory Chemicals 1,2-Naphthoquinone-4 Sulphonic Acid Sodium salt 97% AR
01784
1,2-Naphthoquinone-4 Sulphonic Acid Sodium salt 97% AR
(For determination of amines and amino acid) Sodium 1,2-naphthoquinone-4-sulphonate
Molecular Formula : C10H5NaO5S
Molecular Weight : 260.20
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) |
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 |
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338