Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: trisodium 6-[(7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-4-hydroxynaphthalene-2-sulphonate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

8003-69-8

8003-69-8 structure

8003-69-8 structure

Name: Direct Black 80
Chemical Name: trisodium,(3Z)-6-amino-3-[[(7Z)-7-[[4-[(4-amino-7-sulfonatonaphthalen-1-yl)diazenyl]phenyl]hydrazinylidene]-8-oxo-6-sulfonatonaphthalen-2-yl]hydrazinylidene]-4-oxonaphthalene-2-sulfonate
CAS Number: 8003-69-8
Molecular Formula: C₃₆H₂₃N₈Na₃O₁₁S₃
Molecular Weight: 908.77900
Catalog: Dyes and pigments dye Direct dye
Create Date: 2018-04-08 08:00:00
Modify Date: 2025-08-25 21:40:11

Name	trisodium,(3Z)-6-amino-3-[[(7Z)-7-[[4-[(4-amino-7-sulfonatonaphthalen-1-yl)diazenyl]phenyl]hydrazinylidene]-8-oxo-6-sulfonatonaphthalen-2-yl]hydrazinylidene]-4-oxonaphthalene-2-sulfonate

Molecular Formula	C₃₆H₂₃N₈Na₃O₁₁S₃
Molecular Weight	908.77900
Exact Mass	908.03400
PSA	363.40000
LogP	12.08510
Stability	Stable. Incompatible with oxidizing and reducing agents.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QK1295950

CHEMICAL NAME :: 2-Naphthalenesulfonic acid, 6-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-3-( (4-((4- amino-6(or 7)-sulfo-1-naphthalenyl)azo)phenyl)azo)-4-hydroxy-, trisodium salt

CAS REGISTRY NUMBER :: 8003-69-8

LAST UPDATED :: 199712

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C36-H26-N8-O11-S3.3Na

MOLECULAR WEIGHT :: 911.85

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