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Optical brighteners

Tinopal 5BM

Also known as Phorwhite RKH, Tinopal 5BM-XC, Phorwite rkh

CAS 13863-31-5Formula C38H38N12Na2O8S2Molar mass 900.91 g/molEC 237-600-9
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Tinopal 5BM chemical structure, C38H38N12Na2O8S2, CAS 13863-31-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
13863-31-5
Formula
C38H38N12Na2O8S2
Molar mass
900.91 g/mol
EC number
237-600-9
HS code
320420
Category
Optical brighteners

What is Tinopal 5BM?

Plain description, key identifiers and synonyms

Tinopal 5BM is a chemical substance with the molecular formula C38H38N12Na2O8S2 and a molar mass of 900.91 g/mol. Its CAS registry number is 13863-31-5. The IUPAC name is disodium, 5-[[4-anilino-6-[2-hydroxyethyl(methyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-anilino-6-[2-hydroxyethyl(methyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
disodium, 5-[[4-anilino-6-[2-hydroxyethyl(methyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-anilino-6-[2-hydroxyethyl(methyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate
CAS number
13863-31-5
EC number
237-600-9
Molecular formula
C38H38N12Na2O8S2
UNII
31F73WR7CZ
InChIKey
VVYVUOFMPAXVCH-QDBORUFSSA-L
InChI
InChI=1S/C38H40N12O8S2.2Na/c1-49(19-21-51)37-45-33(39-27-9-5-3-6-10-27)43-35(47-37)41-29-17-15-25(31(23-29)59(53,54)55)13-14-26-16-18-30(24-32(26)60(56,57)58)42-36-44-34(40-28-11-7-4-8-12-28)46-38(48-36)50(2)20-22-52;;/h3-18,23-24,51-52H,19-22H2,1-2H3,(H,53,54,55)(H,56,57,58)(H2,39,41,43,45,47)(H2,40,42,44,46,48);;/q;2*+1/p-2/b14-13+;;
Canonical SMILES
CN(CCO)c1nc(Nc2ccccc2)nc(Nc2ccc(C=Cc3ccc(Nc4nc(Nc5ccccc5)nc(N(C)CCO)n4)cc3S(=O)(=O)[O-])c(S(=O)(=O)[O-])c2)n1.[Na+].[Na+]
Isomeric SMILES
CN(CCO)C1=NC(=NC(=N1)NC2=CC(=C(C=C2)/C=C/C3=C(C=C(C=C3)NC4=NC(=NC(=N4)NC5=CC=CC=C5)N(C)CCO)S(=O)(=O)[O-])S(=O)(=O)[O-])NC6=CC=CC=C6.[Na+].[Na+]

Synonyms

  • Phorwhite RKH
  • Tinopal 5BM-XC
  • Phorwite rkh
  • 2,2'-Stilbenedisulfonic aicd, 4,4'-bis((4-anilino-6-((2-hydroxyethyl)methylamino)-s-triazin-2-yl)amino)-, disodium salt
  • 4,4'-Bis((4-anilino-6-((2-hydroxyethyl)methylamino)-s-triazin-2-yl)amino)2,2'-stIlbenedisulfonate
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2-hydroxyethyl)methylamino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, disodium salt
  • Disodium 4,4'-bis((6-anilino-4-((2-hydroxyethyl)methylamino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonate
  • 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-anilino-6-((2-hydroxyethyl)methylamino)-s-triazin-2-yl)amino)-, disodium salt
  • Disodium 4,4'-bis(4-anilino-6-(N-methyl-2-hydroxyethylamino)-1,3,5-triazin-2-yl)-amino)stilbene-2,2'-disulfonate
  • disodium 4,4'-bis[[6-anilino-4-[(2-hydroxyethyl)methylamino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2-hydroxyethyl)methylamino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, sodium salt (1:2)
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[(2-hydroxyethyl)methylamino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-, disodium salt
  • Disodium 2,2'-(1,2-ethenediyl)bis(5-((4-((2-hydroxyethyl)methylamino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)benzenesulfonate)
  • Disodium 4,4'-bis(4-anilino-6-(N-(2-hydroxyethyl)-N-methylamino)-S-triazin-2-ylamino)-2,2'-stilbenedisonate
  • Tinopal 5BMXC
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[(2-hydroxyethyl)methylamino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-, sodium salt (1:2)
  • 2,2'Stilbenedisulfonic acid, 4,4'bis((4anilino6((2hydroxyethyl)methylamino)striazin2yl)amino), disodium salt
  • 4,4'Bis((4anilino6((2hydroxyethyl)methylamino)striazin2yl)amino)2,2'stilbenedisulfonate, disodium salt
  • Benzenesulfonic acid, 2,2'(1,2ethenediyl)bis(5((4((2hydroxyethyl)methylamino)6(phenylamino)1,3,5triazin2yl)amino, disodium salt
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2-hydroxyethyl)methylamino)-6-(phenylamino)-1,3,5-triazin-2-yl)amine
  • Fluorescent Brightener 5bm (Technical Grade)
  • Fluorescent Brightener 5bm
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2-hydroxyethyl)methylamino)-6-(phenylamino)-1,3 ,5-triazin-2-yl)amine
  • Fluorescent brightener 5bm Solution in Water, 1000ug/mL
  • Fluorescent brightener 5bm Solution in Water, 100ug/mL
Show all 31 synonyms
  • 2,2'-Stilbenedisulfonic aicd, 4,4'-bis((4-anilino-6-((2- hydroxyethyl)methylamino)-S-triazin-2-yl)amino)-, disodium salt
  • 4,4'-Bis((4-anilino-6-((2-hydroxyethyl)methylamino)-s- triazin-2-yl)amino)2,2'-stilbenedisulfonate
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2- hydroxyethyl)methylamino)-6-(phenylamino)-1,3 ,5-triazin-2- yl)amine
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2- hydroxyethyl)methylamino)-6-(phenylamino)-1,3,5-triazin-2- yl)amino)-, disodium salt
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2- hydroxyethyl)methylamino)-6-(phenylamino)-1,3,5-triazin-2- yl)amino)-, sodium salt (1:2)
  • Disodium 4,4'-bis((6-anilino-4-((2- hydroxyethyl)methylamino)-1,3,5-triazin-2-yl)amino)stilbene- 2,2'-disulphonate

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
900.91 g/molcalc.
Exact mass
900.2172 Dacalc.
LogP (octanol/water)
-2.13calc.
Topological polar surface area
286.8 Ųcalc.
Hydrogen bond donors
6calc.
Hydrogen bond acceptors
20calc.
Rotatable bonds
18calc.
Heavy atoms
62calc.
Rings
6calc.
Aromatic rings
6calc.
Fraction sp3 carbons
0.16calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
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, C(=Cc1ccc(Nc2ncnc(Nc3ccccc3)n2)cc1)c1ccc(Nc2ncnc(Nc3ccccc3)n2)cc1

C(=Cc1ccc(Nc2ncnc(Nc3ccccc3)n2)cc1)c1ccc(Nc2ncnc(Nc3ccccc3)n2)cc1

6 rings, 42 atoms.

135 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms

Hazard statements

  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (2)
  • P273Avoid release to the environment.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

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Tinopal 5BM price

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Uses and applications

What the substance is used for, by industry and function

Fluorescent whitening agent.

In heavy duty detergent, to whiten fabrics, plastics, fibers, coatings, waxes... (Tinopal).

Functional uses

  • Brightener

How it is made

Reaction of 4,4'-diaminostilbene-2,2'-disulfonic acid with cyanuric chloride, followed by reaction with aniline and 2-hydroxyethylmethylamine

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 Tinopal 5BM is traded under.

HS 3204.20Indicative HS code

Synthetic organic products of a kind used as fluorescent brightening agents

World exports in 2024
$485M
−7.4% vs 2023, imports $474M
2019 to 2024
Top exporters
  1. China31.6%
  2. Germany10.8%
  3. Switzerland * partner reported10.0%
Top importers
  1. United States9.6%
  2. Germany9.1%
  3. Indonesia7.1%

* Partner reported figures, a lower bound.

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

The HS code shown for Tinopal 5BM is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Tinopal 5BM, based on the data on this page

What is Tinopal 5BM?

Tinopal 5BM is a chemical substance with the molecular formula C38H38N12Na2O8S2 and a molar mass of 900.91 g/mol. Its CAS registry number is 13863-31-5.

What is the CAS number of Tinopal 5BM?

The CAS registry number of Tinopal 5BM is 13863-31-5.

What is the molecular formula and weight of Tinopal 5BM?

The molecular formula of Tinopal 5BM is C38H38N12Na2O8S2 and its molar mass is 900.91 g/mol.

What is Tinopal 5BM used for?

Fluorescent whitening agent. In heavy duty detergent, to whiten fabrics, plastics, fibers, coatings, waxes... (Tinopal).

Is Tinopal 5BM hazardous?

Tinopal 5BM has a GHS hazard classification. Main hazards: harmful to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Tinopal 5BM?

Tinopal 5BM is usually classified under HS code 320420 (Synthetic organic products of a kind used as fluorescent brightening agents). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tinopal 5BM?

CompoundList lists 1 supplier of Tinopal 5BM in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Tinopal 5BM?

Suppliers quote Tinopal 5BM on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

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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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