For the preparation of direct sun resistance in multiple products, we have come up with Sodium Naphthionate. This is used in sulfide salt CD, blue B2R, BGL, brown RTL, direct black FF, gray LBN, etc. This is a dye intermediate and is highly used in dyeing industries. The density of this is 1.3588 approximately. Its melting point is 300 Degree (lit). The boiling point of this salt is 220 Degree C (rough estimate).
Specification
Purity | Minimum. 75% |
Usage | Industrial |
Synonym | 4-Amino Naphthalene Sulfonic Acid, Na Salt |
Trade Name | Naphthionic Acid Sodium Salt |
CAS No. | 130 - 13 -2 |
Molecular Weight | 245.23 Grams/Mole (223.25 as Free Acid) |
Empirical Formula | C10 H8 N O3 S Na |
Structural Formula | NH2 SO3Na |
Insolubles | Maximum. 0.15% |
Alpha Naphthylamine | Max. 500 ppm |
Beta Naphthylamine | Max. 20ppm |
Solubility | Min. 200 g/l in 1N NaOH Solution |
Total of Heavy Metal | Max. 50ppm |
Physical Appearance | Cream White Crystalline Material |
Basis of Sale | On 100% Real basis |
Packing | 25Kgs HDPE bags with double PE liners inside |
Price: