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Home/Compounds/Dye & Pigment/Reactive blue 19
C22H16N2Na2O11S3
626.5 g/mol
Dye & PigmentWarning

Reactive Blue 19

CAS2580-78-1EC219-949-9
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Dye for cellulosic fibers

Reactive Blue 19 is a fine blue-black powder used as a dye for cellulosic fibers, such as cotton. It is primarily applied in the textile industry for dyeing and printing processes.

dyeing of cellulosic fibersprinting of cellulosic fiberstextile finishing

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ReferenceSame Category

Ferric ammonium ferrocyanide

CAS25869-00-5

Blue pigment for plastics

ReferenceSame Category

2-nitrobenzenediazonium

CAS25910-37-6

diazonium dye intermediate

ReferenceSame Category

Acridine

CAS260-94-6

Intermediate for dyes and pharmaceuticals

ReferenceSame Category

Direct Blue 6

CAS2602-46-2

Direct dye for textiles

Referencesame scaffold

Acid Blue 324

CAS88264-80-6

Acid dye for textiles

Referencesame scaffold

Ext. D&c violet no. 2

CAS4430-18-6

CIR ingredient for cosmetics

Referencesame scaffold

1-(p-acetamidoanilino)-4-hydroxyanthraquinone

CAS67905-17-3

solvent dye

Referencesame scaffold

Pigment Violet 27

CAS12237-62-6

Disperse dye for textiles

Safety Reference

Harmful
Harmful
Environmental Hazard
Environmental Hazard
Warning
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects

Customs Tariff Classification

The international HS code for Reactive Blue 19 (CAS 2580-78-1) is 2930.90.

HS code (international, 6-digit)

2930.90

EU CN code (8-digit)

2930 90 95

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

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

InChIKey

KUIXZSYWBHSYCN-UHFFFAOYSA-L

SMILES

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

Synonyms (41)
  • APOLLOZOL BRILLIANT BLUE R
  • C.I. Reactive Blue 19
  • CELMAZOL BRILLIANT BLUE R
  • Cavalite Brilliant Blue R
  • DIAMIRA BRILLIANT BLUE R
  • DIAMIRA BRILLIANT BLUE R-KN
  • EVERFIX BRILLIANT BLUE R
  • INTRACRON BRILLIANT BLUE VS-R
  • OSTAZIN BRILLIANT BLUE UR
  • OSTAZIN BRILLIANT BLUE VR
  • PRIMAZIN BRILLIANT BLUE RL
  • REMAZOL BLUE R
  • REMAZOL BRILLIANT BLUE R SPEC
  • REMAZOL BRILLIANT BLUE R-KN
  • REMAZOL BRILLIANT BLUE RN
  • Reactive Blue 19
  • Remalan Brilliant Blue R
  • Remazol Brilliant Blue
  • Remazole Brilliant Blue R
  • SUMIFIX BRILLIANT BLUE R
  • SUMIFIX BRILLIANT BLUE R(B)

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