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Reactive dyes

Reactive Yellow 2

Also known as reactive yellow 2 textile dye

CAS 50662-99-2Formula C25H18Cl3N9NaO10S3Molar mass 830.02 g/molEC 256-692-1
1 supplier listed
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Reactive Yellow 2 chemical structure, C25H18Cl3N9NaO10S3, CAS 50662-99-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
50662-99-2
Formula
C25H18Cl3N9NaO10S3
Molar mass
830.02 g/mol
EC number
256-692-1
HS code
320416
Category
Reactive dyes

What is Reactive Yellow 2?

Plain description, key identifiers and synonyms

Reactive Yellow 2 is a chemical substance with the molecular formula C25H18Cl3N9NaO10S3 and a molar mass of 830.02 g/mol. Its CAS registry number is 50662-99-2.

Identifiers

Registry numbers, names and line notations, tap to copy

CAS number
50662-99-2
EC number
256-692-1
Molecular formula
C25H18Cl3N9NaO10S3
InChIKey
HTQRDEZLVAPTGL-UHFFFAOYSA-N
InChI
InChI=1S/C25H18Cl3N9O10S3.Na/c1-11-21(22(38)37(36-11)18-9-16(27)20(10-15(18)26)50(45,46)47)35-34-17-8-13(4-7-19(17)49(42,43)44)30-25-32-23(28)31-24(33-25)29-12-2-5-14(6-3-12)48(39,40)41;/h2-10,21H,1H3,(H,39,40,41)(H,42,43,44)(H,45,46,47)(H2,29,30,31,32,33);
SMILES (canonical and isomeric)
CC1=NN(C(=O)C1N=NC2=C(C=CC(=C2)NC3=NC(=NC(=N3)NC4=CC=C(C=C4)S(=O)(=O)O)Cl)S(=O)(=O)O)C5=CC(=C(C=C5Cl)S(=O)(=O)O)Cl.[Na]

Synonyms

  • reactive yellow 2 textile dye

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
830.02 g/molcalc.
Exact mass
827.9302 Dacalc.
LogP (octanol/water)
4.55calc.
Topological polar surface area
283.2 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
15calc.
Rotatable bonds
10calc.
Heavy atoms
51calc.
Rings
5calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0.08calc.
Formal charge
0calc.
Stereocentres
1calc.
Components
2calc.
Lipinski rule of five
Fails (2 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C(N=Nc2cccc(Nc3ncnc(Nc4ccccc4)n3)c2)C=NN1c1ccccc1

O=C1C(N=Nc2cccc(Nc3ncnc(Nc4ccccc4)n3)c2)C=NN1c1ccccc1

5 rings, 34 atoms.

19 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Reactive Yellow 2 suppliers

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Where suppliers are based

1 supplier in 1 country

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Reactive Yellow 2 price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Industries and functions

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Reactive Yellow 2 is traded under.

HS 3204.16Indicative HS code

Reactive dyes and preparations based thereon

World exports in 2024
$1.12B
+2.4% vs 2023, imports $1B
2019 to 2024
Top exporters
  1. India * partner reported31.7%
  2. China17.9%
  3. South Korea17.1%
Top importers
  1. Turkey18.4%
  2. China9.4%
  3. Vietnam * partner reported6.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Reactive Yellow 2 is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Reactive Yellow 2, based on the data on this page

What is Reactive Yellow 2?

Reactive Yellow 2 is a chemical substance with the molecular formula C25H18Cl3N9NaO10S3 and a molar mass of 830.02 g/mol. Its CAS registry number is 50662-99-2.

What is the CAS number of Reactive Yellow 2?

The CAS registry number of Reactive Yellow 2 is 50662-99-2.

What is the molecular formula and weight of Reactive Yellow 2?

The molecular formula of Reactive Yellow 2 is C25H18Cl3N9NaO10S3 and its molar mass is 830.02 g/mol.

What is Reactive Yellow 2 used for?

Known uses and roles of Reactive Yellow 2 include textile dyes in textiles and leather.

Is Reactive Yellow 2 hazardous?

No GHS hazard classification for Reactive Yellow 2 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Reactive Yellow 2?

Reactive Yellow 2 is usually classified under HS code 320416 (Reactive dyes and preparations based thereon). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Reactive Yellow 2?

CompoundList lists 1 supplier of Reactive Yellow 2 in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Reactive Yellow 2?

Suppliers quote Reactive Yellow 2 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Reactive Yellow 2

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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