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4-Sulfo-1,8-Naphthalic Anhydride Potassium Salt

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4-Sulfo-1,8-Naphthalic Anhydride Potassium Salt / CAS : 71501-16-1

Appearance Light yellow powder UN 0.0
HS 29189900 DG Class 0.0
Synonyms 71501-16-1; Potassium 1,3-Dioxo-1H,3H-Naphtho[1,8-Cd]Pyran-6-Sulphonate; 1H,3H-Naphtho[1,8-Cd]Pyran-6-Sulfonic Acid, 1,3-Dioxo-, Potassium Salt; 1,8-Naphthalenedicarboxylic Anhydride -4-Sulpho Potassium Salt; 4-Sulfo-1,8-Naphthalic Anhydride Potassium Salt
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Properties

Summary

Formula
C12H5KO6S
Molecular Mass
316.32800
Exact Mass
315.94400
PSA
108.95000
Logp
2.13530
IUPAC
potassium;2,4-dioxo-3-oxatricyclo[7.3.1.05,13]trideca-1(12),5(13),6,8,10-pentaene-8-sulfonate
SMILES
C1=CC2=C(C=CC3=C2C(=C1)C(=O)OC3=O)S(=O)(=O)[O-].[K+]

Attribute classification

Matter Classification
organic
Category
Cosmetics > Cosmetic Raw Materials
Dyestuffs and Pigments > Dyestuff

Chemical and Physical Properties

Melting Point
207-210ºC
Appearance
Light yellow powder

Export information

HS Code
29189900
Export Rebate
13%
UN No.
0.0
DG-Class
0.0
Risk Code
R36/37/38
Safety Label
Xi

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