Uses

Used in Textile Industry:
REACTIVE BLUE 2 is used as a dye for cellulose fiber, polyamide, wool, and silk. It provides good light fastness (ISO 6-7) and is effective in resisting fading and staining.
Used in Printing Industry:
REACTIVE BLUE 2 is used as a printing ink for various materials due to its bright blue color and good solubility in water. It offers good resistance to fading and staining, making it a popular choice for printing applications.
In the dye bath, the presence of iron ions results in a darker color shade, while copper ions cause the color to turn green. This property allows for the creation of a range of blue shades, making REACTIVE BLUE 2 a versatile dye for various applications.

Preparation

1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2,5-Diaminobenzenesulfonic acid condensation, again with 2,4,6-Trichloro-1,3,5-triazine condensation, and 4-Aminobenzenesulfonic acid or 3-Aminobenzenesulfonic acid condensation.

Enzyme inhibitor

This reactive dye (FWtrisodium-salt = 840.11 g/mol; lmax = 607 nm), also known as Reactive Blue 2 and Cibacron Blue F3G-A, is a sulfonated triazine often used to probe nucleotide binding sites. Procion Blue H-B is also a P2Y purinoceptor antagonist and is one of the most potent antagonists for ATPactivated channels (See also Cibacron Blue). When immobilized on a support matrix, this triazine can be used to purify proteins that bind nucleotides or nucleotide-containing coenzymes. Note: Given its tendency to bind in place of nucleotides, this agent is apt to have inhibitory effects beyond those listed below. Target(s): aldehyde reductase; alkaline phosphatase; ATP-activated channels; carbonyl reductase; choline Oacetyltransferase; choline-phosphate cytidylyltransferase; coenzyme F420 hydrogenase; ferredoxin:NADP+ oxidoreductase; glucose-6- phosphate dehydrogenase; glutathione S-transferase; hexokinase; NAD+ nucleosidase, or NADase, or NAD+ glycohydrolase; nucleotide diphosphatase; phosphoglycerate kinase; P2Y purinoceptor; thymidylate synthase; and UDP-glucose 4- epimerase.

Standard

Light Fastness

Fading

Stain

ISO

6-7

Check Digit Verification of cas no

The CAS Registry Mumber 12236-82-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,3 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 12236-82:
(7*1)+(6*2)+(5*2)+(4*3)+(3*6)+(2*8)+(1*2)=77
77 % 10 = 7
So 12236-82-7 is a valid CAS Registry Number.

InChI:InChI=1/C23H16N6O8S2/c24-20-17(39(35,36)37)8-15(18-19(20)22(31)13-4-2-1-3-12(13)21(18)30)28-11-5-6-14(16(7-11)38(32,33)34)29-23-26-9-25-10-27-23/h1-10,28H,24H2,(H,32,33,34)(H,35,36,37)(H,25,26,27,29)