Direct Black 38 , Analysis standard , 【1937-37-7】
Molecular Formula: C34H28N9NaO7S2
Formula Weight: 761.76
4-Amino-3-[[4′-[(2,4-diaminophenyl)azo][1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt;Chlorazole Black E;Direct Black 38
4-Amino-3-[[4′-[(2,4-diaminophenyl)azo][1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt;Chlorazole Black E;Direct Black 38
Direct Black 38 , Dyecontent,≥45% , 【1937-37-7】
Molecular Formula: C34H28N9NaO7S2
Formula Weight: 761.76
4-Amino-3-[[4′-[(2,4-diaminophenyl)azo][1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt;Chlorazole Black E;Direct Black 38
4-Amino-3-[[4′-[(2,4-diaminophenyl)azo][1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt;Chlorazole Black E;Direct Black 38
Direct Black 38 , Strength ≥45%, including Yuanming powder , 【1937-37-7】
Molecular Formula: C34H28N9NaO7S2
Formula Weight: 761.76
4-Amino-3-[[4′-[(2,4-diaminophenyl)azo][1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt;Chlorazole Black E;Direct Black 38
4-Amino-3-[[4′-[(2,4-diaminophenyl)azo][1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt;Chlorazole Black E;Direct Black 38
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