C.I. Basic Brown 1 (CAS 8005-77-4): price, suppliers and safety

What is C.I. Basic Brown 1?

Plain description, key identifiers and synonyms

Basic brown 1 is a bis(azo) compound that is 1,1'-(1,3-phenylene)bis(diazene) in which both azene hydrogens are replaced by 2,4-diaminophenyl groups. A metachromatic dye which stains acid mucins yellow. It is also a constituent of Papanicolaou's EA solutions, used for cervical, and other smears. Its dihydrochloride salt is also a biological dye known as Bismark brown Y. It has a role as a fluorochrome and a histological dye. It is a member of azobenzenes, a tetramine, a bis(azo) compound and a substituted aniline.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name: 4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine
CAS number: 8005-77-4 CAS number cross-checkedOther or deprecated CAS: 10114-58-6, 1052-38-6
EC numbers: 213-888-1, 616-873-1
Molecular formula: C₁₈H₁₈N₈
UNII: 911CR7FM6S
InChIKey: BDFZFGDTHFGWRQ-UHFFFAOYSA-N
InChI: InChI=1S/C18H18N8/c19-11-4-6-17(15(21)8-11)25-23-13-2-1-3-14(10-13)24-26-18-7-5-12(20)9-16(18)22/h1-10H,19-22H2
SMILES (canonical and isomeric): C1=CC(=CC(=C1)N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C=C(C=C3)N)N

Synonyms

Bismarck Brown Y
Bismark brown Y base
BASIC BROWN G
Solvent Brown 41
1,3-Benzenediamine, 4,4'-(1,3-phenylenebis(azo))bis-
1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(azo)]bis-
Ci solvent brown 41
4,4'-(1,3-Phenylenebis(azo))bisbenzene-1,3-diamine
1,3-Benzenediamine, 4,4'-(1,3-phenylenebis(2,1-diazenediyl))bis-
C.I. 21000:1
4,4'-[1,3-Phenylenebis(azo)]bisbenzene-1,3-diamine
m-Phenylenediamine, 4,4'-(m-phenylenebisazo)bis-
4,4'-(1,3-Phenylenebis(azo))bis(benzene-1,3-diamine)
1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(2,1-diazenediyl)]bis-
Bismarck Brown B
Bismarck brown g
Bismack brown y-parent
Verona basic brown 2r
4,4'-(1,3-Phenylenebis(azo))bis-1,3-benzenediamine dihydrochloride
C.I. Solvent Brown 41
4,4'-(1,3-Phenylenebis(azo))bis(1,3-benzenediamine)
4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine
4,4'-1,3-Phenylenebis(azo)bisbenzene-1,3-diamine
4,4'-(1,3-Phenylenebis(diazene-2,1-diyl))bis(benzene-1,3-diamine)
4,4'-[1,3-phenylenebis(diazene-2,1-diyl)]di(benzene-1,3-diamine)

Show all 30 synonyms

4-({3-[(2,4-diaminophenyl)diazenyl]phenyl}diazenyl)benzene-1,3-diamine
Bismack brown Y- parent
Bismark brown Y free base
Bismark brown Y (Salt/Mix)
1,3-Bis(2,3-diaminophenylazo)benzene hydrochloride (Salt/Mix)

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

Physical form	Powderexp.
Melting point	Ca. 220exp.
Solubility	1 to 10 mg/mL at 68 °Fexp.

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	346.40 g/molcalc.
Exact mass	346.1654 Dacalc.
LogP (octanol/water)	4.85calc.
Topological polar surface area	153.5 Å²calc.
Hydrogen bond donors	4calc.
Hydrogen bond acceptors	8calc.
Rotatable bonds	4calc.
Heavy atoms	26calc.
Rings	3calc.
Aromatic rings	3calc.
Fraction sp3 carbons	0calc.
Formal charge	0calc.
Stereocentres	0calc.
Lipinski rule of five	Passes (0 violations)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=Nc2cccc(N=Nc3ccccc3)c2)cc1

3 rings, 22 atoms.

102 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

C.I. Basic Brown 1 suppliers

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All 5 suppliers

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Rikin Industries
India ManufacturerUnclaimed profile
C.I. Basic Brown 1Grade, purity and minimum order on request
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Jadechem Ningbo Co., Ltd.
ChinaUnclaimed profile
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Royce Associateslp Passac Color Chemical Cvo Div
United States, Paterson ManufacturerUnclaimed profile
C.I. Basic Brown 1Grade, purity and minimum order on request
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Kemira Chemicals, Inc.
United States, Atlanta ManufacturerUnclaimed profile
C.I. Basic Brown 1Grade, purity and minimum order on request
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W&J PharmaChem,Inc.
Unclaimed profile
C.I. Basic Brown 1Grade, purity and minimum order on request
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Where suppliers are based

5 suppliers in 3 countries

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C.I. Basic Brown 1 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

Industrial uses: Dye.

Industries and functions

Roles

dye
fluorescent dye
fluorochrome
histological dye

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 C.I. Basic Brown 1 is traded under.

HS 3204.19Indicative HS code

Synthetic organic colouring matter and preparations based thereon as specified in note 3…

World exports in 2024

$1.08B

+0.2% vs 2023, imports $1.14B

2019 to 2024

Top exporters

United States23.7%
India * partner reported12.4%
China9.0%

Top importers

Germany7.5%
France * partner reported6.4%
Mexico5.4%

* Partner reported figures, a lower bound.

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

The HS code shown for C.I. Basic Brown 1 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

Salt and hydrate forms

Records that share this compound as their parent

1,3-Benzenediamine, 4,4'-(1,3-phenylenebis(azo))bis-, dihydrochloride chemical structure, C18H20Cl2N8, CAS 10114-58-6

1,3-Benzenediamine, 4,4'-(1,3-phenylenebis(azo))bis-, dihydrochloride10114-58-6C₁₈H₂₀Cl₂N₈25 suppliers

1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(azo)]bis-, diacetate chemical structure, C22H26N8O4, CAS 104744-50-5

1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(azo)]bis-, diacetate104744-50-5C₂₂H₂₆N₈O₄

Similar structures

Nearest neighbours by Morgan fingerprint Tanimoto similarity

2,4-Diaminoazobenzene chemical structure, C12H12N4, CAS 495-54-5

C.I. Basic Orange 2 chemical structure, C12H13ClN4, CAS 532-82-1

4-(Phenylazo)benzene-1,3-diamine dihydrochloride chemical structure, C12H14Cl2N4, CAS 83968-67-6

1,3-Benzenediamine, 4-(2-phenyldiazenyl)-, acetate (1:1) chemical structure, C14H16N4O2, CAS 75660-25-2

Bis[4-(phenylazo)benzene-1,3-diamine] sulphate chemical structure, C24H26N8O4S, CAS 84196-22-5

Acetic acid, 2-hydroxy-, compd. with 4,4'-(1,3-phenylenebis(2,1-diazenediyl))bis(1,3-benzenediamine) acetate formate (1:?:?:?) chemical structure, C23H28N8O7, CAS 68083-37-4

Same formula isomers

Different compounds that share this molecular formula

All isomers

1,2-Bis(5-amidino-2-benzimidazolyl)ethane chemical structure, C18H18N8, CAS 75846-15-0

1,2-Bis(5-amidino-2-benzimidazolyl)ethane75846-15-0C₁₈H₁₈N₈

LRRK2 inhibitor 6 [PMID: 40353293] chemical structure, C18H18N8, CAS 2101821-86-5

LRRK2 inhibitor 6 [PMID: 40353293]2101821-86-5C₁₈H₁₈N₈

4-[3-(4-Amino-6-prop-1-en-2-yl-1,3,5-triazin-2-yl)phenyl]-6-prop-1-en-2-yl-1,3,5-triazin-2-amine chemical structure, C18H18N8, CAS 81854-88-8

4-[3-(4-Amino-6-prop-1-en-2-yl-1,3,5-triazin-2-yl)phenyl]-6-prop-1-en-2-yl-1,3,5-triazin-2-amine81854-88-8C₁₈H₁₈N₈

6-((1-(3-Cyclopropyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)azetidin-3-yl)(methyl)amino)picolinonitrile chemical structure, C18H18N8, CAS 2320852-63-7

6-((1-(3-Cyclopropyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)azetidin-3-yl)(methyl)amino)picolinonitrile2320852-63-7C₁₈H₁₈N₈

Guanidine, N,N'''-(2,4-pyrimidinediyldi-4,1-phenylene)bis- chemical structure, C18H18N8, CAS 648415-54-7

Guanidine, N,N'''-(2,4-pyrimidinediyldi-4,1-phenylene)bis-648415-54-7C₁₈H₁₈N₈

2-[Methyl(1-{[1,2,4]triazolo[4,3-b]pyridazin-6-yl}azetidin-3-yl)amino]-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile chemical structure, C18H18N8, CAS 2199015-59-1

2-[Methyl(1-{[1,2,4]triazolo[4,3-b]pyridazin-6-yl}azetidin-3-yl)amino]-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile2199015-59-1C₁₈H₁₈N₈

N-Methyl-N-(1-{3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}azetidin-3-yl)quinazolin-4-amine chemical structure, C18H18N8, CAS 2201740-68-1

N-Methyl-N-(1-{3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}azetidin-3-yl)quinazolin-4-amine2201740-68-1C₁₈H₁₈N₈

4-Methyl-1-[(1-{3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}azetidin-3-yl)methyl]-1H-pyrazole chemical structure, C18H18N8, CAS 2549040-40-4

4-Methyl-1-[(1-{3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}azetidin-3-yl)methyl]-1H-pyrazole2549040-40-4C₁₈H₁₈N₈

2-[4-(9-Methyl-9H-purin-6-yl)piperazin-1-yl]quinoxaline chemical structure, C18H18N8, CAS 2549042-52-4

2-[4-(9-Methyl-9H-purin-6-yl)piperazin-1-yl]quinoxaline2549042-52-4C₁₈H₁₈N₈

6-(1-{3-Methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl}-octahydropyrrolo[2,3-c]pyrrol-5-yl)pyridine-3-carbonitrile chemical structure, C18H18N8, CAS 2640835-26-1

6-(1-{3-Methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl}-octahydropyrrolo[2,3-c]pyrrol-5-yl)pyridine-3-carbonitrile2640835-26-1C₁₈H₁₈N₈

6-(1-{5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-octahydropyrrolo[2,3-c]pyrrol-5-yl)pyridine-3-carbonitrile chemical structure, C18H18N8, CAS 2640865-62-7

6-(1-{5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-octahydropyrrolo[2,3-c]pyrrol-5-yl)pyridine-3-carbonitrile2640865-62-7C₁₈H₁₈N₈

Frequently asked questions

Quick answers about C.I. Basic Brown 1, based on the data on this page

What is C.I. Basic Brown 1?

Basic brown 1 is a bis(azo) compound that is 1,1'-(1,3-phenylene)bis(diazene) in which both azene hydrogens are replaced by 2,4-diaminophenyl groups. A metachromatic dye which stains acid mucins yellow. It is also a constituent of Papanicolaou's EA solutions, used for cervical, and other smears.

What is the CAS number of C.I. Basic Brown 1?

The CAS registry number of C.I. Basic Brown 1 is 8005-77-4. Other or deprecated CAS numbers: 10114-58-6, 1052-38-6.

What is the molecular formula and weight of C.I. Basic Brown 1?

The molecular formula of C.I. Basic Brown 1 is C18H18N8 and its molar mass is 346.40 g/mol.

What is C.I. Basic Brown 1 used for?

Industrial uses: Dye.

Is C.I. Basic Brown 1 hazardous?

C.I. Basic Brown 1 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 C.I. Basic Brown 1?

C.I. Basic Brown 1 is usually classified under HS code 320419 (Synthetic organic colouring matter and preparations based thereon as specified in note 3…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy C.I. Basic Brown 1?

CompoundList lists 5 suppliers of C.I. Basic Brown 1 in United States, China and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy C.I. Basic Brown 1 in India?

1 supplier in India list C.I. Basic Brown 1 on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of C.I. Basic Brown 1?

Suppliers quote C.I. Basic Brown 1 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

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C.I. Basic Brown 1

Key facts

What is C.I. Basic Brown 1?

Identifiers

Synonyms

Physical and chemical properties

Physical and chemical properties

Computed descriptors

Murcko scaffold

Safety and hazards

Hazard statements

C.I. Basic Brown 1 suppliers

Where suppliers are based

Send one request to many suppliers

C.I. Basic Brown 1 price

Uses and applications

Industries and functions

Roles

Regulatory status

United States

HS code and trade data

Global trade

Frequently asked questions

What is C.I. Basic Brown 1?

What is the CAS number of C.I. Basic Brown 1?

What is the molecular formula and weight of C.I. Basic Brown 1?

What is C.I. Basic Brown 1 used for?

Is C.I. Basic Brown 1 hazardous?

What is the HS code of C.I. Basic Brown 1?

Where can I buy C.I. Basic Brown 1?

Where can I buy C.I. Basic Brown 1 in India?

What is the price of C.I. Basic Brown 1?

Guides for buyers

Get quotes for C.I. Basic Brown 1

Key facts

What is C.I. Basic Brown 1?

Identifiers

Synonyms

Physical and chemical properties

Physical and chemical properties

Computed descriptors

Murcko scaffold

Safety and hazards

Hazard statements

C.I. Basic Brown 1 suppliers

Where suppliers are based

Send one request to many suppliers

C.I. Basic Brown 1 price

Uses and applications

Industries and functions

Roles

Regulatory status

United States

HS code and trade data

Global trade

Related chemicals

Salt and hydrate forms

Similar structures

Same formula isomers

Frequently asked questions

What is C.I. Basic Brown 1?

What is the CAS number of C.I. Basic Brown 1?

What is the molecular formula and weight of C.I. Basic Brown 1?

What is C.I. Basic Brown 1 used for?

Is C.I. Basic Brown 1 hazardous?

What is the HS code of C.I. Basic Brown 1?

Where can I buy C.I. Basic Brown 1?

Where can I buy C.I. Basic Brown 1 in India?

What is the price of C.I. Basic Brown 1?

Guides for buyers

Get quotes for C.I. Basic Brown 1