"Black 1", also known as CI Direct Black 38 or Direct Black 38, is a synthetic azo dye primarily used in the textile industry for dyeing cotton, wool, silk, and nylon. It is characterized by its high color strength, good light fastness, and excellent wet fastness properties. The chemical structure of Black 1 consists of two benzene rings connected by an azo group (-N=N-), with various substituents such as hydroxyl, amino, and sulfonic acid groups attached to the benzene rings. Due to its potential environmental and health concerns, the use of Black 1 has been restricted in some regions, and alternative eco-friendly dyes are being developed to replace it.
1341-93-1
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Basic information
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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: Black 1(CAS DataBase Reference)
- NIST Chemistry Reference: Black 1(1341-93-1)
- EPA Substance Registry System: Black 1(1341-93-1)
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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: 1341-93-1(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 1341-93-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,4 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.Calculate Digit Verification of CAS Registry Number 1341-93:
(6*1)+(5*3)+(4*4)+(3*1)+(2*9)+(1*3)=61
61 % 10 = 1
So 1341-93-1 is a valid CAS Registry Number.
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Black 1
