Features: 
1) CAS no.: 587-98-4 
2) EINECS no.: 209-608-2 
3) Formula: C18H14N3NaO3S 
4) Molecular weight: 375.38 
5) H.S. code: 3204.12 
6) Color index no.: 13065
7) Synonyms: 
    a) Tropaeolin G
    b) Acid Leather Yellow R
    c) Amacid Yellow Material:
    d) 3-[[4-(phenylamino)phenyl]azo]-benzenesulfonic acid monosodium salt
    e) D & C Yellow No. 1
    f) Sodium 3-[(4-anilino)phenylazo]benzenesulfonate
    g) Sodium salt of metanilyazodiphenylamine
    h) M-[(p-anilinophenyl)azo]benzenesulfonic acid sodium salt
    i) Sodium 3-[(4-N-phenylamino)phenylazo]benzenesulfonate
8) Classification: azo
9) Physical property:
    a) Physical state: orange to yellow powder 
    b) Solubility: soluble in water 
    c) Insoluble matter in water: 1.0% max.
    d) Strength 100.0±3.0%
    e) Moisture: 5.0% max.
    f) pH: 
        i) 1.5 (red) 
        ii) 2.7 (yellow) 
    g) NFPA ratings:
        i) Health: 1
        ii) Flammability: 0
        iii) Reactivity: 0 
    h) Stability: stable under ordinary conditions 
10) Application: wool, nylon, silk, paper, ink, aluminum, detergent, wood, fur, 
     cosmetics, biological stain

Packing:
25kg/fiber drum