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Reactive Blue 19 (Remazol Brilliant Blue R) (CAS: 2580-78-1)

Name: Reactive Blue 19 (Remazol Brilliant Blue R) (CAS: 2580-78-1)
Brand: 99 Exports
SKU: pr2607311024
Price: 4 USD
Availability: InStock

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Unit Price:

$4-5/KG FOB

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CAS No.:

2580-78-1

Grade:

Industrial Grade

Content:

100%

Port:

Ahmedabad

Brand:

99 Exports

Packaging:

25 KG HDPE Drum with Inner Polyliner

Price valid (until):

2026-12-31

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99 Exports

Company Type:

Trader

Location:

India

Payment Terms:

L/C,100% TT in advance

Average Lead Time:

25 days

Qualification:

Main Products:

Iron Polysaccharide Complex,Pigment Blue 15,Reactive Blacks,Reactive Blue,Carbon Black,Benzene

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Product Description
Seller Information
Inquiry History

Description

Reactive Blue 19

Physical & Chemical Properties

It is a bright royal blue or navy blue, fine, free-flowing powder that is odorless and completely water-soluble.

The dye exhibits high water solubility and excellent reactivity, providing brilliant shades with very good build-up properties.

Active Dye Content (Strength): 100% (Standardized) up to 150% (High Strength)

Appearance / Shade: Bright Blue / Navy Blue Powder

pH Value (1% Aqueous Solution): 5.5 to 7.0

Moisture Content: Max 5.0%

Insoluble Matter: Max 0.5%

Solubility in Water: ≥ 100 g/L (at 30°C)

Quality & Safety Standards

Heavy Metals & Restricted Amines: Meets international export safety standards, completely free of banned azo amines and heavy metals restricted by ecological regulations.

Eco-Compliance: Complies with Oeko-Tex Standard 100, REACH, and ZDHC guidelines for sustainable textile processing.

Recommended Applications

Textile Dyeing: Exhaust dyeing (winch, jig, and jet machines), pad-dry, and continuous dyeing of cellulosic fibers (cotton, rayon, and viscose).

Textile Printing: Direct and discharge printing on cotton and silk fabrics requiring bright blue and navy hues.

Others: Suitable for wool, silk, and polyamide blend dyeing under neutral to mild alkaline conditions.

Items	Specifications
Product Name	Reactive Blue 19
C.I Name	C.I Reactive Blue 19
C.I Number	C.I 61200
CAS Number	2580-78-1
Chemical Class	Anthraquinone derivative (Vinyl Sulfone reactive dye group)
Molecular Formula	C22H16N2Na2O11S3
Molecular Weight	626.54 g/mol
Appearance / Shade	Dark blue to bluish-black crystalline powder
Dye Strength / Content	Standardized (100% / High Strength variants available)
Solubility in Water	≥ 100 g/L (at 20°C)
pH Value (1% Aqueous Solution)	5.5 – 7.0
Moisture Content	Max 5.0%
Insoluble Matter	Max 0.5%
Light Fastness	Rating 7 (Scale 1–8)
Washing Fastness (Change / Staining)	Rating 4–5 (Scale 1–5)
Perspiration Fastness	Rating 4–5
Iron / Copper Ion Stability	Rating 5 (Basic shade unchanged)

ECHEMI Editorial Reference

dark blue crystalline powder
Reactive blue 19 is a fine blue-black powder. (NTP, 1992)|DryPowder
Reactive blue 19 is a fine blue-black powder. (NTP, 1992)

Basic Info

Product Name:

Reactive Blue 19

Other Name:

2-Anthracenesulfonic acid,1-amino-9,10-dihydro-9,10-dioxo-4-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-,sodium salt (1:2);2-Anthracenesulfonic acid,1-amino-9,10-dihydro-4-[m-[(2-hydroxyethyl)sulfonyl]anilino]-9,10-dioxo-,hydrogen sulfate (ester),disodium salt;2-Anthracenesulfonic acid,1-amino-9,10-dihydro-9,10-dioxo-4-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-,disodium salt;2-Anthracenesulfonic acid,1-amino-9,10-dihydro-4-[m-[(2-hydroxyethyl)sulfonyl]anilino]-9,10-dioxo-,hydrogen sulfate,disodium salt;2-Anthraquinonesulfonic acid,1-amino-4-[m-(2-hydroxyethylsulfonyl)anilino]-,hydrogen sulfate disodium salt;C.I. 61200;Cavalite Brilliant Blue R;Remalan Brilliant Blue R;1-Amino-4-[3-(β-sulfatoethylsulfonyl)anilino]-2-anthraquinonesulfonic acid disodium salt;C.I. Reactive Blue 19;Reactive Blue 19;Primazin Brilliant Blue RL;Sumifix Brilliant Blue R;Sumifix Brilliant Blue R(B);Remazol Brilliant Blue R;Celmazol Brilliant Blue R;Remazol Brilliant Blue RN;Sumifix Brilliant Blue R Special;Ostazin Brilliant Blue VR;Diamira Brilliant Blue R;Remazol Brilliant Blue R Spec;Intracron Brilliant Blue VS-R;Diamira Brilliant Blue R-KN;Remazol Brilliant Blue R-KN;Remazol Brilliant Blue R-KN Liq 40;Remazol Brilliant Blue R Special;Sumifix Brilliant Blue R Special Liquid;Everfix Brilliant Blue R;Remazol Blue R;Reactive Blue KN-R;Reactive Brilliant Blue KN-R;Helaktyn Blue R;Doractiv Blue WRL;12640-88-9;90598-99-5;95145-50-9;110540-35-7;122392-55-6;216383-13-0;960305-71-9;1353580-23-0

CAS No.:

2580-78-1

Molecular Formula:

C22H18N2O11S3.2Na

InChIKeys:

InChIKey=OHWBZIGACJALKL-UHFFFAOYSA-N

Molecular Weight:

626.54

Exact Mass:

625.97100

EC Number:

219-949-9

UNII:

L51IMM9UP9

DSSTox ID:

DTXSID5025992

HScode:

29309099

Categories:

Dye

Characteristics

PSA:

255

XLogP3:

4.83900

Appearance:

Dark blue Crystalline Powder

Melting Point:

Decomposes at approximately 581° F (NTP, 1992)

Water Solubility:

In water, 10 to 50 mg/mL at 70° F (NTP, 1992)

Flammability characteristics:

Thermal decomposition emits toxic nitrogen oxides, sulfur oxides and sodium oxide fumes

Air and Water Reactions:

Water soluble.

Reactive Group:

Ketones

See More Reactive Blue 19 Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Reactive Blue 19 Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Iron Polysaccharide Complex,Pigment Blue 15,Reactive Blacks,Reactive Blue,Carbon Black,Benzene

Location:
1 Ram Park, Near Central School, Kalawad Road, Rajkot 360005, India

Payment Terms:
L/C,100% TT in advance

Average lead Time:
25 days

Total Annual Revenue:
Less than $1 million

Total Employees:
Less than 5

Year of Establishment:
2014

Founded in 2014, 99 Exports has grown from a small startup into a reputable import and export company with a global presence and strong partnerships.

With nearly a decade of experience, we specialize in a wide range of products tailored to meet diverse market demands.

Our dedicated team consists of experienced professionals, each committed to delivering exceptional service and expertise to our clients.

Inquiry History

1 Inquiries

Country	Product	Purchase Quantity	Date Posted
Pakistan	Reactive Blue 19 CRUDE	1.00 MT	Sep 18, 2026

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Reactive Blue 19 (Remazol Brilliant Blue R) (CAS: 2580-78-1)

Product Description

Seller Information