Vat Black 34, also known as Anthraquinone Disulfonate, is a synthetic, azo-based dye primarily used in the textile industry for dyeing cotton, wool, and silk. It is characterized by its deep black color and excellent lightfastness, making it suitable for various applications, including printing and dyeing. The chemical structure of Vat Black 34 consists of an anthraquinone core with two sulfonate groups and an azo linkage, which contributes to its stability and color properties. Due to its high molecular weight and complex structure, Vat Black 34 is not easily biodegradable, and its environmental impact is a concern in the textile industry.

12271-03-3

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Basic information
1. Product Name: Vat black 34
2. Synonyms: C.I. Vat Black 34
3. CAS NO:12271-03-3
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Vat black 34(CAS DataBase Reference)
10. NIST Chemistry Reference: Vat black 34(12271-03-3)
11. EPA Substance Registry System: Vat black 34(12271-03-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 12271-03-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 12271-03-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,7 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 12271-03:
(7*1)+(6*2)+(5*2)+(4*7)+(3*1)+(2*0)+(1*3)=63
63 % 10 = 3
So 12271-03-3 is a valid CAS Registry Number.

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