8005-64-9
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Basic information
- Product Name: Direct red 72
- Synonyms: Direct red 72
- CAS NO:8005-64-9
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 8005-64-9.mol
- Article Data: 0
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Direct red 72(CAS DataBase Reference)
- NIST Chemistry Reference: Direct red 72(8005-64-9)
- EPA Substance Registry System: Direct red 72(8005-64-9)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 8005-64-9(Hazardous Substances Data)
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8005-64-9 Usage
Preparation
6-Aminonaphthalene-2-sulfonic acid diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, O-Anisidine (0. 6 Moore) and O-Methylaniline (0.4 Moore) diazo, and coupled product matches.Properties and Applications
red. Soluble in water for colourful red, soluble in ethanol is shallow orange red. The strong sulfuric acid to red light purple, diluted red brown to orange for brown. The dye solution to join strong hydrochloric acid for orange brown; With strong sodium hydroxide solution for red light brown to orange brown. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 4 5 3 1-2 1-2Standard
Acid ResistanceFading
StainISO
4Check Digit Verification of cas no
The CAS Registry Mumber 8005-64-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.Calculate Digit Verification of CAS Registry Number 8005-64:
(6*8)+(5*0)+(4*0)+(3*5)+(2*6)+(1*4)=79
79 % 10 = 9
So 8005-64-9 is a valid CAS Registry Number.
8005-64-9Upstream product
8005-64-9Downstream Products
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Direct red 72
