Reactive Blue 221 is a blue powder that is soluble in water and is used as a dye for various applications.

93051-41-3

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Basic information
1. Product Name: Reactive Blue 221
2. Synonyms: C.I. Reactive Blue 221;Synazol Blue KR;Reactive Blue 221
3. CAS NO:93051-41-3
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: Reactive Blue 221(CAS DataBase Reference)
10. NIST Chemistry Reference: Reactive Blue 221(93051-41-3)
11. EPA Substance Registry System: Reactive Blue 221(93051-41-3)
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: 93051-41-3(Hazardous Substances Data)

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93051-41-3 Usage

Uses

Used in Textile Industry:
Reactive Blue 221 is used as a dye for cotton and viscose dyeing. It is also suitable for dyeing polyester/cotton and polyester/stick blended fabrics in a bath.
Used in Color Fastness:
Reactive Blue 221 provides good light fastness, oxygen bleaching, perspiration fastness, and soaping properties, with ISO ratings of 5, 5, 5, 4-5, and 5 respectively. This ensures that the color remains vibrant and resistant to fading and staining.

Standard

Light Fastness

Fading

Stain

Check Digit Verification of cas no

The CAS Registry Mumber 93051-41-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,0,5 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 93051-41:
(7*9)+(6*3)+(5*0)+(4*5)+(3*1)+(2*4)+(1*1)=113
113 % 10 = 3
So 93051-41-3 is a valid CAS Registry Number.

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