Product
Supplier
Encyclopedia
Inquiry
Home > Dyes and Pigments > Dye > Reactive Black 5 for Sale > Reactive Black 5 (Remazol Black B)
Reactive Black 5 (Remazol Black B) buy - large image1
Reactive Black 5 (Remazol Black B) buy - image1
Reactive Black 5 (Remazol Black B) buy - image2

Reactive Black 5 (Remazol Black B)

Unit Price:

$3.5-4.5/KG FOB

Get Latest Price
CAS No.:

17095-24-8

Grade:

Industrial Grade

Content:

99%

Port:

Ahmedabad

Brand:

99 Exports

Packaging:

25 KG HDPE Drum with Inner Polyliner

Price valid (until):

2026-12-31

Company Type:
Trader
Location:
India
Qualification:
Main Products:

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

  • Product Description

  • Seller Information

  • Description
    Reactive Black 5

    Physical & Chemical Properties

    It is a dark black/bluish-black, fine, free-flowing powder that is odorless and readily soluble in water.

    The dye exhibits excellent water solubility and good dischargeability, with moderate-to-good fastness properties.

    Active Dye Content (Strength): 100% (Standardized) up to 130% / 150% (High Strength)

    Appearance / Shade: Dark Black Powder / Neutral Black Shade

    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, strictly free of banned aryl amines (azo dyes regulations) and heavy metals below permissible limits.

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

     

    Recommended Applications

    Textile Dyeing: Exhaust dyeing (winch, jig, jet dyeing machines), continuous pad-dry and pad-steam dyeing processes.

    Printing: Direct and discharge printing on cotton, rayon, viscose, and blended cellulosic fabrics.

    Others: Suitable for coloration of silk, wool, and polyamide blends under specific alkaline fixation conditions.

    Items Specifications
    Product Name Reactive Black 5
    C.I Name C.I. Reactive Black 5
    C.I Number 20505
    CAS Number 17095-24-8
    Chemical Class Bis-azo class (Vinyl Sulfone reactive dye group)
    Molecular Formula C26H25N5Na4O19S6
    Molecular Weight 991.82 g/mol
    Appearance / Shade Dark black/bluish-black fine powder
    Dye Content / Strength Standardized (typically 100% up to 150% high strength variants)
    Maximum Absorption (λ max) ~597 nm
    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 4 (Scale 1–8)
    Washing Fastness (Changes in shade / Staining) Excellent, Rating 4–5 (Scale 1–5)
    Rubbing Fastness (Wet / Dry) Wet: Rating 2–3 | Dry: Rating 4
    Perspiration Fastness: Rating 4–5
    ECHEMI Editorial Reference
    ChEBI: A bis(azo) compound with two aryldiazenyl moieties placed at positions 2 and 7 of a multi-substituted naphthalene.
    DryPowder
    Remazole black-GR is a bis(azo) compound with two aryldiazenyl moieties placed at positions 2 and 7 of a multi-substituted naphthalene. It has a role as a dye. It is a bis(azo) compound, a sulfone and an organic sodium salt. It contains a remazole black-GR (4-).

    Basic Info
    Product Name:

    Reactive Black 5

    Other Name:

    2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-3,6-bis[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-,sodium salt (1:4);2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-3,6-bis[[p-[(2-hydroxyethyl)sulfonyl]phenyl]azo]-,3,6-bis(hydrogen sulfate) (ester),tetrasodium salt;2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-,tetrasodium salt;Reactive Black 5;Cavalite Black B;C.I. Reactive Black 5;Remazol Black B;Primazin Black BN;Celmazol Black B;Sumifix Black B;Diamira Black B;Drimarene Black R/K 3B;Remazol Black GF;Levafix Black E-B;Intracron Black VS-B;C.I. 20505;Taifix Black B-T;Procion Black E-B;Remazol Black B-ID;Reactive Black KNB;Reactive Black 4ST;Ostazin Black V-B;Sumifix Supra Black B;Remazol Black SB;Synozol Black B 150;Synozol Black B;Cibacron Navy W-B;Remazol Black GR;Helaktyn Black B;Primazine Black BN;Navictive Black B;Remazol Black B 133;Everzol Black B;Reactive Black B;Reactive Dark Blue B-BF;Basilen Black F-DF;Basilen Black F-B;Reactive Black KN-G 2RC;Cibacron Marine W-B;Remazol Black 5;Reactive Black VB;Reactive Black KN-GRRC;Reactive Black B Plus;Reactive Black B 5;Novacron Black R;Atulzol Black B;Jackazol Black B;Ruikesu Black B 133;Remazol Black 133B;Everzol Black GSP;Ismative Black B;Adizol Black B;Navacron Black R;Setazol Black DPT;Cibacron Navy DP-B;Duractive Black B;Reactive Black V 2B;RBk 5;12225-25-1;72528-69-9;90598-98-4;136511-39-2;188735-39-9;403597-90-0;494769-17-4;1208234-88-1

    CAS No.:

    17095-24-8

    Molecular Formula:

    C26H25N5O19S6.4Na

    InChIKeys:

    InChIKey=FIDMUJIVRZQJIG-UHFFFAOYSA-N

    Molecular Weight:

    991.82

    Exact Mass:

    990.87500

    EC Number:

    241-164-5

    UNII:

    O0HDY58362

    DSSTox ID:

    DTXSID4027787

    Categories:

    Dye

    Characteristics
    PSA:

    461.51000

    XLogP3:

    8.33360

    Melting Point:

    >300 °C(lit.)

    Hazard Identification

    Classification of the substance or mixture

    Skin sensitization, Category 1

    Respiratory sensitization, Category 1

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H317 May cause an allergic skin reaction

    H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled

    Precautionary statement(s)
    Prevention

    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

    P272 Contaminated work clothing should not be allowed out of the workplace.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    P284 [In case of inadequate ventilation] wear respiratory protection.

    Response

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P333+P317 If skin irritation or rash occurs: Get medical help.

    P321 Specific treatment (see ... on this label).

    P362+P364 Take off contaminated clothing and wash it before reuse.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P342+P316 If experiencing respiratory symptoms: Get emergency medical help immediately.

    Storage

    none

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    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.

  • 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

    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.

  • Country Product Purchase Quantity Date Posted
    Post an enquiry for this product
pic ×

Scan the QR Code to Share

All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.

According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.

The information shown above is provided by the enterprise itself, and the authenticity, accuracy and legitimacy of the content are the responsibility of the publishing company. ECHEMI does not bear any guarantee responsibility for this. Please be aware that risks in internet transactions objectively exist.

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.