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Basic and cationic dyes

Trx0237

Also known as Leucomethylene Blue dihydrobromide, Leukomethylene Blue dihydrobromide, Hydromethylthionine (dihydrobromide)

CAS 951131-15-0Formula C16H21Br2N3SMolar mass 447.24 g/mol
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Trx0237 chemical structure, C16H21Br2N3S, CAS 951131-15-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
951131-15-0
Formula
C16H21Br2N3S
Molar mass
447.24 g/mol
HS code
320413
Category
Basic and cationic dyes

What is Trx0237?

Plain description, key identifiers and synonyms

Trx0237 is a chemical substance with the molecular formula C16H21Br2N3S and a molar mass of 447.24 g/mol. Its CAS registry number is 951131-15-0. The IUPAC name is 3-N,3-N,7-N,7-N-tetramethyl-10H-phenothiazine-3,7-diamine, dihydrobromide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-N,3-N,7-N,7-N-tetramethyl-10H-phenothiazine-3,7-diamine, dihydrobromide
CAS number
951131-15-0
Molecular formula
C16H21Br2N3S
UNII
E79ZM68IOZ
InChIKey
JAUPSVVTGFBHTN-UHFFFAOYSA-N
InChI
InChI=1S/C16H19N3S.2BrH/c1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;;/h5-10,17H,1-4H3;2*1H
SMILES (canonical and isomeric)
CN(C)C1=CC2=C(C=C1)NC3=C(S2)C=C(C=C3)N(C)C.Br.Br

Synonyms

  • Leucomethylene Blue dihydrobromide
  • Leukomethylene Blue dihydrobromide
  • Hydromethylthionine (dihydrobromide)
  • Reduced methylene Blue dihydrobromide
  • N3,N3,N7,N7-Tetramethyl-10H-phenothiazine-3,7-diamine dihydrobromide
  • 3-N,3-N,7-N,7-N-tetramethyl-10H-phenothiazine-3,7-diamine, dihydrobromide
  • TRX0237 dihydrobromide
  • TRX 0237 dihydrobromide
  • TRX-0237 dihydrobromide
  • TRx0237(LMTX)
  • Hydromethylthionine HBr(TRX0237)
  • Hydromethylthionine HBr(TRX0237)?
  • Hydromethylthionine dihydrobromide
  • N,N,N',N'-Tetramethyl-10H-phenothiazine-3,7-diamine dihydrobromide

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
447.24 g/molcalc.
Exact mass
444.9823 Dacalc.
LogP (octanol/water)
5.18calc.
Topological polar surface area
18.51 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
22calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
Lipinski rule of five
Passes (1 violation)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, c1ccc2c(c1)Nc1ccccc1S2

c1ccc2c(c1)Nc1ccccc1S2

3 rings, 14 atoms, the Phenothiazine ring system.

1,001 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.

Trx0237 suppliers

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Trx0237 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 Trx0237 is traded under.

HS 3204.13Indicative HS code

Basic dyes and preparations based thereon

World exports in 2024
$209M
−2.6% vs 2023, imports $224M
2019 to 2024
Top exporters
  1. India * partner reported27.9%
  2. China21.8%
  3. Spain6.6%
Top importers
  1. United States11.2%
  2. China7.9%
  3. Germany7.4%

* Partner reported figures, a lower bound.

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

The HS code shown for Trx0237 is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Trx0237, based on the data on this page

What is Trx0237?

Trx0237 is a chemical substance with the molecular formula C16H21Br2N3S and a molar mass of 447.24 g/mol. Its CAS registry number is 951131-15-0. The IUPAC name is 3-N,3-N,7-N,7-N-tetramethyl-10H-phenothiazine-3,7-diamine, dihydrobromide.

What is the CAS number of Trx0237?

The CAS registry number of Trx0237 is 951131-15-0.

What is the molecular formula and weight of Trx0237?

The molecular formula of Trx0237 is C16H21Br2N3S and its molar mass is 447.24 g/mol.

What is Trx0237 used for?

Known uses and roles of Trx0237 include textile dyes in textiles and leather.

Is Trx0237 hazardous?

No GHS hazard classification for Trx0237 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 Trx0237?

Trx0237 is usually classified under HS code 320413 (Basic dyes and preparations based thereon). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Trx0237?

Post a free request on CompoundList and suppliers of Trx0237 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Trx0237?

Suppliers quote Trx0237 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 Trx0237

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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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