Acid Red 18 (Acid Brilliant Scarlet 3R)

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Features:
1) CAS no.: 2611-82-7
2) EINECS no.: 220-036-2
3) Formula: C20H11N2Na3O10S3
4) Molecular weight: 604.46
5) H.S. code: 3204.12
6) Toxicity: oral rat LD50: >8,000mg/kg
7) Color index no.: 16255
8) Synonyms:
a) SX purple
b) Brilliant Ponceau
c) 1-(4-sulfo-1-naphthylazo)-2-hydroxy-6,8-naphthalenedisulfonic acid trisodium
salt
d) 1'-(4-sulfo-1-naphthylazo)-2'-hydroxy-6',8'-naphthalenedisulfonic acid trisodium
salt
e) 7-hydroxy-8-[(4-sulfo-1-naphthyl)azo]-1,3-Naphthalenedisulfonic acid, trisodium
salt
f) Brilliant scarlet 4R
g) Cochineal Red A
h) Food Red No.102
i) Trisodium 7-hydroxy-8-(4-sulfonato-1- aphthylazo)-1,3-naphthalenedisulfonate
j) Ponceau 4R
k) Scarlet 3R, soluble
9) Physical property:
a) Physical state: red powder
b) Solubility: soluble in water
c) Insoluble matter in water: 1.0% max.
d) Strength 100.0¡À3.0%
e) Moisture: 5.0% max.
f) NFPA ratings:
i) Health: 1
ii) Flammability: 0
iii) Reactivity: 0
g) Stability: stable under ordinary conditions
10) Application: wool, nylon, silk, paper, ink, aluminum, detergent, wood, fur,
cosmetics, biological stain
Packing:
25kg/fiber drum

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