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Direct dyes

Solius Brown T

Also known as Benzo Chrome Brown LG, C.I. Direct Brown 101, C.I. 31740

CAS 3626-29-7Formula C36H24N6NaO9S+Molar mass 739.68 g/molEC 609-225-4
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Solius Brown T chemical structure, C36H24N6NaO9S+, CAS 3626-29-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3626-29-7
Formula
C36H24N6NaO9S+
Molar mass
739.68 g/mol
EC number
609-225-4
HS code
320414
Category
Direct dyes

What is Solius Brown T?

Plain description, key identifiers and synonyms

Solius Brown T is a chemical substance with the molecular formula C36H24N6NaO9S+ and a molar mass of 739.68 g/mol. Its CAS registry number is 3626-29-7. The IUPAC name is sodium 5-[[4-[4-[[4-[(3-carboxy-4-hydroxyphenyl)diazenyl]-6-sulfonaphthalen-1-yl]diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium 5-[[4-[4-[[4-[(3-carboxy-4-hydroxyphenyl)diazenyl]-6-sulfonaphthalen-1-yl]diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoic acid
CAS number
3626-29-7
EC number
609-225-4
Molecular formula
C36H24N6NaO9S+
InChIKey
QBGMVASIVGIVHY-UHFFFAOYSA-N
InChI
InChI=1S/C36H24N6O9S.Na/c43-33-15-9-24(17-29(33)35(45)46)39-37-22-5-1-20(2-6-22)21-3-7-23(8-4-21)38-41-31-13-14-32(28-19-26(52(49,50)51)11-12-27(28)31)42-40-25-10-16-34(44)30(18-25)36(47)48;/h1-19,43-44H,(H,45,46)(H,47,48)(H,49,50,51);/q;+1
SMILES (canonical and isomeric)
C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C4C=CC(=CC4=C(C=C3)N=NC5=CC(=C(C=C5)O)C(=O)O)S(=O)(=O)O)N=NC6=CC(=C(C=C6)O)C(=O)O.[Na+]

Synonyms

  • Benzo Chrome Brown LG
  • C.I. Direct Brown 101
  • C.I. 31740
  • Helion Brown GL
  • Solius Brown RT
  • Curol Brown RT
  • Curon Brown RT
  • Solar Brown GCR
  • Fenaluz Brown RT
  • Kayarus Brown RT
  • Fastusol Brown RT
  • Dicorel Brown NRL
  • Saturn Brown 2RT
  • Wogenal Brown CGR
  • Cuprofix Brown RGL
  • Chrome Leather Brown
  • Solius Light Brown T
  • Direct Fast Brown MG
  • Sirius Supra Brown RT
  • Derma Fast Brown W-G
  • Direct Fast Brown NRL
  • Direct Fast Brown ZhKh
  • Fastusol Brown RTA-CF
  • Solamine Fast Brown RT
  • Chrome Leather Brown GL
Show all 30 synonyms
  • Direct Resist Brown MRL
  • Chloramine Chrome Brown G
  • Tertrodirect Fast Brown 10G
  • Tetramine Fast Brown RT Extra
  • Benzoic acid,1'-biphenyl]-4-yl]azo]-7-sulfo-1-naphthalenyl]azo]-2-hydroxy-, trisodium salt

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
739.68 g/molcalc.
Exact mass
739.1218 Dacalc.
LogP (octanol/water)
6.81calc.
Topological polar surface area
243.6 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
12calc.
Rotatable bonds
10calc.
Heavy atoms
53calc.
Rings
6calc.
Aromatic rings
6calc.
Fraction sp3 carbons
0calc.
Formal charge
1calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Fails (3 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, c1ccc(N=Nc2ccc(-c3ccc(N=Nc4ccc(N=Nc5ccccc5)c5ccccc45)cc3)cc2)cc1

c1ccc(N=Nc2ccc(-c3ccc(N=Nc4ccc(N=Nc5ccccc5)c5ccccc45)cc3)cc2)cc1

6 rings, 40 atoms.

13 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.

Solius Brown T suppliers

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Solius Brown T 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

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Solius Brown T is traded under.

HS 3204.14Indicative HS code

Direct dyes and preparations based thereon

World exports in 2024
$328M
−1.5% vs 2023, imports $336M
2019 to 2024
Top exporters
  1. India * partner reported34.9%
  2. China11.3%
  3. Spain9.0%
Top importers
  1. Italy9.8%
  2. Germany8.7%
  3. Netherlands7.8%

* Partner reported figures, a lower bound.

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

The HS code shown for Solius Brown T is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Solius Brown T, based on the data on this page

What is Solius Brown T?

Solius Brown T is a chemical substance with the molecular formula C36H24N6NaO9S+ and a molar mass of 739.68 g/mol. Its CAS registry number is 3626-29-7. The IUPAC name is sodium 5-[[4-[4-[[4-[(3-carboxy-4-hydroxyphenyl)diazenyl]-6-sulfonaphthalen-1-yl]diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoic acid.

What is the CAS number of Solius Brown T?

The CAS registry number of Solius Brown T is 3626-29-7.

What is the molecular formula and weight of Solius Brown T?

The molecular formula of Solius Brown T is C36H24N6NaO9S+ and its molar mass is 739.68 g/mol.

What is Solius Brown T used for?

Known uses and roles of Solius Brown T include textile dyes in textiles and leather.

Is Solius Brown T hazardous?

No GHS hazard classification for Solius Brown T 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 Solius Brown T?

Solius Brown T is usually classified under HS code 320414 (Direct dyes and preparations based thereon). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Solius Brown T?

Post a free request on CompoundList and suppliers of Solius Brown T will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Solius Brown T?

Suppliers quote Solius Brown T 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 Solius Brown T

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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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