Propyl red (CAS 2641-01-2): price, suppliers and safety

What is Propyl red?

Plain description, key identifiers and synonyms

Propyl red is a chemical substance with the molecular formula C19H23N3O2 and a molar mass of 325.41 g/mol. Its CAS registry number is 2641-01-2. The IUPAC name is 2-[[4-(dipropylamino)phenyl]diazenyl]benzoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name: 2-[[4-(dipropylamino)phenyl]diazenyl]benzoic acid
CAS number: 2641-01-2 CAS number cross-checked
EC number: 220-140-8
Molecular formula: C₁₉H₂₃N₃O₂
UNII: 792YD7R7PN
MDL number: MFCD00041752
InChIKey: LIIDWKDFORMMDQ-UHFFFAOYSA-N
InChI: InChI=1S/C19H23N3O2/c1-3-13-22(14-4-2)16-11-9-15(10-12-16)20-21-18-8-6-5-7-17(18)19(23)24/h5-12H,3-4,13-14H2,1-2H3,(H,23,24)
SMILES (canonical and isomeric): CCCN(CCC)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)O

Synonyms

2-(4-Dipropylaminophenylazo)benzoic acid
Benzoic acid, 2-[[4-(dipropylamino)phenyl]azo]-
2-[[4-(dipropylamino)phenyl]diazenyl]benzoic acid
Benzoic acid, o-((p-(dipropylamino)phenyl)azo)-
2-{[4-(dipropylamino)phenyl]diazenyl}benzoic acid
Benzoic acid, 2-((4-(dipropylamino)phenyl)azo)-
Benzoic acid, 2-(2-(4-(dipropylamino)phenyl)diazenyl)-
2-(4-(Dipropylamino)phenylazo)benzoic acid
2-((4-(Dipropylamino)phenyl)diazenyl)benzoic acid
2-(2-(4-(Dipropylamino)phenyl)diazenyl)benzoic acid
Benzoic acid, o-[[p-(dipropylamino)phenyl]azo]-
2-[2-[4-(Dipropylamino)phenyl]diazenyl]benzoic acid
Benzoic acid, 2-[2-[4-(dipropylamino)phenyl]diazenyl]-
2-[4-(dipropylamino)phenyl]azobenzoic acid
Propyl red, (Indicator, pH 4.6-6.6)
4-(2-Carboxyphenylazo)-N,N-dipropylaniline
Benzoic acid,o-[[p-(dipropylamino)phenyl]azo]-
2-[(E)-[4-(dipropylamino)phenyl]azo]benzoic acid
2{(e)[4(dipropylamino)phenyl]diazenyl}benzoic acid
(E)-2-((4-(dipropylamino)phenyl)diazenyl)benzoic acid
2-[(1E)-2-[4-(Dipropylamino)phenyl]diazen-1-yl]benzoic acid

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	325.41 g/molcalc.
Exact mass	325.179 Dacalc.
LogP (octanol/water)	5.43calc.
Topological polar surface area	65.26 Å²calc.
Hydrogen bond donors	1calc.
Hydrogen bond acceptors	4calc.
Rotatable bonds	8calc.
Heavy atoms	24calc.
Rings	2calc.
Aromatic rings	2calc.
Fraction sp3 carbons	0.32calc.
Formal charge	0calc.
Stereocentres	0calc.
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

c1ccc(N=Nc2ccccc2)cc1

2 rings, 14 atoms, the Azobenzene ring system.

3,419 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification

Hazard pictograms

Hazard statements

H413May cause long lasting harmful effects to aquatic life.

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

Propyl red suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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Frinton Laboratories, Inc.
United States, HainesportUnclaimed profile
Propyl redGrade, purity and minimum order on request
Price on request
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Where suppliers are based

1 supplier in 1 country

United States1

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Propyl red 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

Indicators and stains in research and laboratory

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

TSCA inventory (USA)
Status: Inactive 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 Propyl red is traded under.

HS 2927.00Indicative HS code

Diazo-, azo- or azoxy compounds

World exports in 2024

$571M

+6.1% vs 2023, imports $525M

2019 to 2024

Top exporters

China47.0%
Indonesia13.1%
Japan9.3%

Top importers

United States10.2%
India * partner reported9.1%
South Korea9.1%

* Partner reported figures, a lower bound.

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

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

Parent and salt forms, stereoisomers, similar structures and isomers

Similar structures

Nearest neighbours by Morgan fingerprint Tanimoto similarity

Ethyl red chemical structure, C17H19N3O2, CAS 76058-33-8

2-((4-(Dimethylamino)phenyl)diazenyl)benzoic acid chemical structure, C15H15N3O2, CAS 493-52-7

Methyl red hydrochloride chemical structure, C15H16ClN3O2, CAS 63451-28-5

Methyl red sodium salt chemical structure, C15H15N3NaO2, CAS 845-10-3

Same formula isomers

Different compounds that share this molecular formula

All isomers

Ergometrine chemical structure, C19H23N3O2, CAS 60-79-7

Ergometrine60-79-7C₁₉H₂₃N₃O₂

1-Methyl-3-(1-methyl-1H-indol-3-yl)-4-(pentylamino)-1H-pyrrole-2,5-dione chemical structure, C19H23N3O2, CAS 861891-50-1

1-Methyl-3-(1-methyl-1H-indol-3-yl)-4-(pentylamino)-1H-pyrrole-2,5-dione861891-50-1C₁₉H₂₃N₃O₂

N-(4-Methoxyphenyl)-2-(4-phenyl-1-piperazinyl)acetamide chemical structure, C19H23N3O2, CAS 191598-99-9

N-(4-Methoxyphenyl)-2-(4-phenyl-1-piperazinyl)acetamide191598-99-9C₁₉H₂₃N₃O₂

2-{(1E)-N-[4-(2-Methoxyphenyl)piperazin-1-yl]ethanimidoyl}phenol chemical structure, C19H23N3O2, CAS 315216-77-4

2-{(1E)-N-[4-(2-Methoxyphenyl)piperazin-1-yl]ethanimidoyl}phenol315216-77-4C₁₉H₂₃N₃O₂

4-Phenoxy-1-[4-(2-pyridinyl)-1-piperazinyl]-1-butanone chemical structure, C19H23N3O2, CAS 694452-18-1

4-Phenoxy-1-[4-(2-pyridinyl)-1-piperazinyl]-1-butanone694452-18-1C₁₉H₂₃N₃O₂

Acetamide, N-[3-[[4-(diethylamino)-2-methylphenyl]imino]-6-oxo-1,4-cyclohexadien-1-yl]- chemical structure, C19H23N3O2, CAS 96141-86-5

Acetamide, N-[3-[[4-(diethylamino)-2-methylphenyl]imino]-6-oxo-1,4-cyclohexadien-1-yl]-96141-86-5C₁₉H₂₃N₃O₂

Preechinulin chemical structure, C19H23N3O2, CAS 21008-43-5

Preechinulin21008-43-5C₁₉H₂₃N₃O₂

Benzydamine N-oxide chemical structure, C19H23N3O2, CAS 36504-71-9

Benzydamine N-oxide36504-71-9C₁₉H₂₃N₃O₂1 supplier

N-[5-(5,6,7,8-Tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]cyclohexanecarboxamide chemical structure, C19H23N3O2, CAS 851095-82-4

N-[5-(5,6,7,8-Tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]cyclohexanecarboxamide851095-82-4C₁₉H₂₃N₃O₂

N1-(2-aminophenyl)-N7-phenylheptanediamide chemical structure, C19H23N3O2, CAS 537034-15-4

N1-(2-aminophenyl)-N7-phenylheptanediamide537034-15-4C₁₉H₂₃N₃O₂1 supplier

(+)-(R)-4-[3,4-Dioxo-2-(1,2,2-trimethyl-propylamino)-cyclobut-1-enylamino]-3-ethylbenzonitrile chemical structure, C19H23N3O2, CAS 177476-74-3

(+)-(R)-4-[3,4-Dioxo-2-(1,2,2-trimethyl-propylamino)-cyclobut-1-enylamino]-3-ethylbenzonitrile177476-74-3C₁₉H₂₃N₃O₂

2-Nitroimipramine chemical structure, C19H23N3O2, CAS 77533-92-7

2-Nitroimipramine77533-92-7C₁₉H₂₃N₃O₂

Frequently asked questions

Quick answers about Propyl red, based on the data on this page

What is Propyl red?

Propyl red is a chemical substance with the molecular formula C19H23N3O2 and a molar mass of 325.41 g/mol. Its CAS registry number is 2641-01-2. The IUPAC name is 2-[[4-(dipropylamino)phenyl]diazenyl]benzoic acid.

What is the CAS number of Propyl red?

The CAS registry number of Propyl red is 2641-01-2.

What is the molecular formula and weight of Propyl red?

The molecular formula of Propyl red is C19H23N3O2 and its molar mass is 325.41 g/mol.

What is Propyl red used for?

Known uses and roles of Propyl red include indicators and stains in research and laboratory.

Is Propyl red hazardous?

Propyl red has a GHS hazard classification. Main hazards: may cause long lasting harmful effects to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Propyl red?

Propyl red is usually classified under HS code 292700 (Diazo-, azo- or azoxy-compounds). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Propyl red?

CompoundList lists 1 supplier of Propyl red 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 Propyl red?

Suppliers quote Propyl red 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 Propyl red

Propyl red

Key facts

What is Propyl red?

Identifiers

Synonyms

Physical and chemical properties

Physical and chemical properties

Computed descriptors

Murcko scaffold

Safety and hazards

Hazard statements

Propyl red suppliers

Where suppliers are based

Send one request to many suppliers

Propyl red price

Uses and applications

Industries and functions

Regulatory status

United States

HS code and trade data

Global trade

Frequently asked questions

What is Propyl red?

What is the CAS number of Propyl red?

What is the molecular formula and weight of Propyl red?

What is Propyl red used for?

Is Propyl red hazardous?

What is the HS code of Propyl red?

Where can I buy Propyl red?

What is the price of Propyl red?

Guides for buyers

Get quotes for Propyl red

Key facts

What is Propyl red?

Identifiers

Synonyms

Physical and chemical properties

Physical and chemical properties

Computed descriptors

Murcko scaffold

Safety and hazards

Hazard statements

Propyl red suppliers

Where suppliers are based

Send one request to many suppliers

Propyl red price

Uses and applications

Industries and functions

Regulatory status

United States

HS code and trade data

Global trade

Related chemicals

Similar structures

Same formula isomers

Frequently asked questions

What is Propyl red?

What is the CAS number of Propyl red?

What is the molecular formula and weight of Propyl red?

What is Propyl red used for?

Is Propyl red hazardous?

What is the HS code of Propyl red?

Where can I buy Propyl red?

What is the price of Propyl red?

Guides for buyers

Get quotes for Propyl red