Reactive Blue 19

CAS Number: 2580-78-1

Molecular Formula: C22H16N2Na2O11S3

Purity: Reactive Blue 19 95% purity

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About Reactive Blue 19

Reactive Blue 19 (CAS 2580-78-1) is a cornerstone of the high purity fine chemicals sector, increasingly sought by CDMOs for its utility in developing specialized diagnostic tools and enzyme inhibition assays within the API intermediates market (Pharma/API purity 99% | General Industry purity 98%). Remazol Brilliant Bl...

Variants

BLUE 2RX

CAS: 2580-78-1

BLUE GRXF

CAS: 2580-78-1

BLUE X-BL

CAS: 2580-78-1

Reactive Blue 19 Specifications

CAS Number

2580-78-1

Molecular Formula

C22H16N2Na2O11S3

Molecular Weight

626.54 g/mol

IUPAC Name

disodium;1-amino-9,10-dioxo-4-[3-(2-sulfonatooxyethylsulfonyl)anilino]anthracene-2-sulfonate

Canonical SMILES

C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3NC4=CC=C(C=C4)S(=O)(=O)CCOS(=O)(=O)[O-])S(=O)(=O)[O-])N

InChI Key

KUIXZSYWBHSYCN-UHFFFAOYSA-L

InChI

InChI=1S/C22H18N2O11S3.2Na/c23-20-17(37(29,30)31)11-16(18-19(20)22(26)15-7-2-1-6-14(15)21(18)25)24-12-4-3-5-13(10-12)36(27,28)9-8-35-38(32,33)34;;/h1-7,10-11,24H,8-9,23H2,(H,29,30,31)(H,32,33,34);;/q;2*+1/p-2

EINECS Number

219-949-9

MDL Number

MFCD00001215

HSN No

32041600

CAS Number

2580-78-1

Molecular Formula

C22H16N2Na2O11S3

Molecular Weight

626.54 g/mol

IUPAC Name

disodium;1-amino-9,10-dioxo-4-[3-(2-sulfonatooxyethylsulfonyl)anilino]anthracene-2-sulfonate

Canonical SMILES

C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3NC4=CC=C(C=C4)S(=O)(=O)CCOS(=O)(=O)[O-])S(=O)(=O)[O-])N

InChI Key

KUIXZSYWBHSYCN-UHFFFAOYSA-L

InChI

EINECS Number

219-949-9

MDL Number

MFCD00001215

HSN No

32041600

Molecular Weight

626.54 g/mol

Purity

Reactive Blue 19 95% purity

Melting Point

Decomposes at approximately 581°F (305°C)

Boiling Point

500 °C (Decomposes)

Freezing point

500 °C

Flash Point

Density

1.74 g/cm3

pKa

1.51±0.25

logP

-7.2

Vapour pressure

0 Pa at 25 °C

Precautionary Statement Codes

P273-P501

Hazard Classes and Categories

Not Classified

Textile Dye

A high-volume anthraquinone reactive dye primarily used for the exhaustion and padding dyeing of cellulose-based fibers such as cotton, viscose, and linen to achieve brilliant reddish-blue shades with excellent lightfastness

Printing Colorant

A versatile reactive agent employed in the direct printing of cotton and viscose fabrics to create vibrant, fading-resistant patterns with high fixation and wash durability

Polymer Dye Precursor

A functional organic dye utilized as a starting material in the production of specialized polymer dyes and fluorescent markers for biological and microbiological analysis