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Home > products > 2-Naphthalenesulfonicacid,6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)

2-Naphthalenesulfonicacid,6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3) cas no:8003-69-8

Synonyms: C.I. Direct Black 80;

Identification
Name2-Naphthalenesulfonicacid,6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)
CAS8003-69-8
SynonymsC.I. Direct Black 80;
EINECS(EC#)232-322-4
Molecular FormulaC36H23N8O11S3Na
Molecular Weight908.77913
Chemical Properties
Appearancedark blue to black powder
Toxicity
ACUTE/CHRONIC HAZARDS: When heated to decomposition Direct Black 80 emits toxic fumes of nitrogen oxides.

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Dintech Chemical Co.,Ltd.
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Hangzhou Dikai chemical Co., Ltd.
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Remik Eashan Chemicals Pvt. Ltd
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Dynasty Chemicals Co., Ltd.
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Ningbo Everlop Import & Export Co., Ltd
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Yadong Chemical And Dyestuff Factory
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Kelco Chemicals Co.,Ltd.
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