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Direct Red 31

Direct Red 31

Category :

Dyestuffs and Pigments

CAS NO : 5001-72-9
EC NO : 225-669-8
Molecular Formula : C32H21N5Na2O8S2
Main Specifications :
Synonyms : C.I.Direct Red 31;Disodium 7,7'-iminobis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate);Direct Pink 5B;2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2);2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(2-;EINECS 225-669-8;2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(phenylazo)-, disodium salt;disodium (3E,3'E)-7,7'-iminobis[4-oxo-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2-sulfonate];
Direct Red 31
Molecular Structure:
If you are sourcing Direct Red 31 from China ,just feel free to inquire
Contact us
Company：
    Kelco Chemicals Co.,Ltd.
Contact：
   
Phone：
+86-21-62744350 62598819
Mobile phone：
Fax：
 +86-21-62733549
E-mail：
 marketing@kelcochem.com
Website：
Address：
 Rm 601, Tianshan Manshion, No. 30, Tian Shan Road,Shanghai, 200336, China.
Zip Code：
 200336
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