Acid Orange 7 (Acid Orange II)

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Features:
1) CAS no.: 633-96-5
2) EINECS no.: 211-199-0
3) Formula: HOC10H6N=NC6H4SO3Na
4) Molecular Weight: 350.32
5) H.S. code: 3204.12
6) Color index no.: 15510
7) Synonyms:
a) D & C Orange No.4
b) Mandarin G
c) 4-[(2-hydroxy-1-naphthyl)azo]benzenesulfonic acid, monosodium salt
d) 4-(2-hydroxynaphthylazo)benzenesulfonic acid sodium salt
e) Orange(II), certified
f) Orange P
g) Orange R
h) Tropaeolin No.2
i) Acid Orange A
8) Physical and chemical property:
a) Physical state: yellow powder
b) Melting point: 164¡ãC
c) Solubility: soluble in water (116g/L)
d) Insoluble matter in water: 1.0% max.
e) Moisture: 5.0% max.
f) Strength: 100.0¡À3.0%
g) Fastness:
i) Light: 3-4
ii) Washing: 4
iii) Rubbing (wet): 4-5
iv) Rubbing (dry): 3-4
h) NFPA ratings:
i) Health: 1
ii) Flammability: 0
iii) Reactivity: 0
i) Stability: stable under ordinary conditions
j) Hazardous class: not regulated
Packing:
25kg/fiber drum

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