Basic Red 9
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- $10 - $2460
- Product name: Basic Red 9
- CAS: 569-61-9
- MF: C19H17N3.ClH
- MW: 323.82
- EINECS:209-321-2
- MDL Number:MFCD00001657
- Synonyms:4-((4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl)-benzenaminm ;4,4’-((4-imino-2,5-cyclohexadien-1-ylidene)methylene)dianilinemonohydrochlor ;4,4’-((4-imino-2,5-cyclohexadien-1-ylidene)methylene)dianilinemonohydrochlorid ;4,4’,4"-triaminotriphenylmethanehydrochloride ;4,4’,4"-triaminotriphenylmethan-hydrochlorid ;4-[(4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]-benzenaminm ;alpha-(p-aminophenyl)-alpha-(4-imino-2,5-cyclohexadien-1-ylidene)-4-toluidin ;basicparafuchsine
63 prices
Selected condition：
Brand
- A2B
- aablocks
- Adipogen Life Sciences
- AK Scientific
- American Custom Chemicals Corporation
- Arctom
- Aronis compounds
- Biosynth
- Cayman Chemical
- Chem-Impex
- Crysdot
- Medical Isotopes, Inc.
- Sigma-Aldrich
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
- Usbiological
Package
- 5mg
- 10g
- 5g
- 16
- 25g
- 50g
- 250g
- 100g
- 12
- 500g
- 1kg
- 1000g
- 2kg
- 2000g
- 5kg
- 5 g
- 25 g
- 100 g
- 500 g
- ManufacturerA2B
- Product numberAI52761
- Product description4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride
- Packaging5g
- Price$10
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI52761
- Product description4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride
- Packaging25g
- Price$24
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI52761
- Product description4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride
- Packaging100g
- Price$73
- Updated2026-05-25
- Buy
- Manufactureraablocks
- Product numberAA00IA2L
- Product description4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride
- Packaging25g
- Price$29
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IA2L
- Product description4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride
- Packaging5g
- Price$10
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IA2L
- Product description4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride
- Packaging100g
- Price$93
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IA2L
- Product description4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride ≥90%(Dyecontent)
- Packaging1kg
- Price$830
- Updated2026-05-29
- Buy
- ManufacturerAdipogen Life Sciences
- Product numberCDX-F0102-G100
- Product descriptionBasic Fuchsin ≥80.0%(dyecontent)
- Packaging100g
- Price$172
- Updated2026-05-06
- Buy
- ManufacturerAdipogen Life Sciences
- Product numberCDX-F0102-G025
- Product descriptionBasic Fuchsin ≥80.0%(dyecontent)
- Packaging25g
- Price$63
- Updated2026-05-06
- Buy
- ManufacturerAK Scientific
- Product numberT317
- Product descriptionBasicRed9,tech.
- Packaging25g
- Price$136
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberDYE0000323
- Product descriptionPARAROSANILINE HYDROCHLORIDE C.I.42500 95.00%
- Packaging25G
- Price$1132.83
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberHY-W127770
- Product descriptionPararosaniline hydrochloride 97.33%
- Packaging10g
- Price$38
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberHY-W127770
- Product descriptionPararosaniline hydrochloride 97.33%
- Packaging25g
- Price$76
- Updated2026-05-26
- Buy
- ManufacturerAronis compounds
- Product numbere00700
- Product description{4-[(4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]phenyl}aminehydrochloride
- Packaging5mg
- Price$15
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFP07857
- Product descriptionPararosaniline hydrochloride
- Packaging1000g
- Price$1640
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFP07857
- Product descriptionPararosaniline hydrochloride
- Packaging2000g
- Price$2460
- Updated2026-06-04
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| A2B | AI52761 | 4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride | 5g | $10 | 2026-05-25 | Buy |
| A2B | AI52761 | 4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride | 25g | $24 | 2026-05-25 | Buy |
| A2B | AI52761 | 4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride | 100g | $73 | 2026-05-25 | Buy |
| aablocks | AA00IA2L | 4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride | 25g | $29 | 2026-05-29 | Buy |
| aablocks | AA00IA2L | 4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride | 5g | $10 | 2026-05-29 | Buy |
| aablocks | AA00IA2L | 4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride | 100g | $93 | 2026-05-29 | Buy |
| aablocks | AA00IA2L | 4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride ≥90%(Dyecontent) | 1kg | $830 | 2026-05-29 | Buy |
| Adipogen Life Sciences | CDX-F0102-G100 | Basic Fuchsin ≥80.0%(dyecontent) | 100g | $172 | 2026-05-06 | Buy |
| Adipogen Life Sciences | CDX-F0102-G025 | Basic Fuchsin ≥80.0%(dyecontent) | 25g | $63 | 2026-05-06 | Buy |
| AK Scientific | T317 | BasicRed9,tech. | 25g | $136 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | DYE0000323 | PARAROSANILINE HYDROCHLORIDE C.I.42500 95.00% | 25G | $1132.83 | 2021-12-16 | Buy |
| Arctom | HY-W127770 | Pararosaniline hydrochloride 97.33% | 10g | $38 | 2026-05-26 | Buy |
| Arctom | HY-W127770 | Pararosaniline hydrochloride 97.33% | 25g | $76 | 2026-05-26 | Buy |
| Aronis compounds | e00700 | {4-[(4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]phenyl}aminehydrochloride | 5mg | $15 | 2021-12-16 | Buy |
| Biosynth | FP07857 | Pararosaniline hydrochloride | 1000g | $1640 | 2026-06-04 | Buy |
| Biosynth | FP07857 | Pararosaniline hydrochloride | 2000g | $2460 | 2026-06-04 | Buy |
Properties
Melting point :250 °C
Boiling point :479.57°C (rough estimate)
bulk density :500kg/m3
Density :0.999 g/mL at 20 °C
refractive index :n20/D 1.334
Flash point :11 °C
storage temp. :Store at RT.
solubility :ethanol: soluble1mg/mL
Colour Index :42500
form :Solid
color :metallic green
PH Range :1.0 - 3.1, purple to red
PH :5.0-6.0 (1g/L)
Water Solubility :10 g/L (25 ºC)
λmax :545 nm
ε(extinction coefficient) :≥11000 at 235-239nm in 50% ethanol at 0.003g/L
≥17000 at 287-291nm in 50% ethanol at 0.003g/L BRN :4164603
Stability :Stable. Incompatible with strong oxidizing agents.
Biological Applications :Detecting breast cancer; treating pathogens
Major Application :cleaning products
cosmetics
food and beverages
personal care InChI :1S/C19H17N3.ClH/c20-16-7-1-13(2-8-16)19(14-3-9-17(21)10-4-14)15-5-11-18(22)12-6-15;/h1-12,20H,21-22H2;1H
InChIKey :JUQPZRLQQYSMEQ-UHFFFAOYSA-N
SMILES :[Cl-].Nc1ccc(cc1)C(\c2ccc(N)cc2)=C3/C=CC(=[NH2+])C=C3
CAS DataBase Reference :569-61-9
IARC :2B (Vol. 57, 99) 2010
EPA Substance Registry System :C.I. Basic Red 9, monohydrochloride (569-61-9)
Boiling point :479.57°C (rough estimate)
bulk density :500kg/m3
Density :0.999 g/mL at 20 °C
refractive index :n
Flash point :11 °C
storage temp. :Store at RT.
solubility :ethanol: soluble1mg/mL
Colour Index :42500
form :Solid
color :metallic green
PH Range :1.0 - 3.1, purple to red
PH :5.0-6.0 (1g/L)
Water Solubility :10 g/L (25 ºC)
λmax :545 nm
ε(extinction coefficient) :≥11000 at 235-239nm in 50% ethanol at 0.003g/L
≥17000 at 287-291nm in 50% ethanol at 0.003g/L BRN :4164603
Stability :Stable. Incompatible with strong oxidizing agents.
Biological Applications :Detecting breast cancer; treating pathogens
Major Application :cleaning products
cosmetics
food and beverages
personal care InChI :1S/C19H17N3.ClH/c20-16-7-1-13(2-8-16)19(14-3-9-17(21)10-4-14)15-5-11-18(22)12-6-15;/h1-12,20H,21-22H2;1H
InChIKey :JUQPZRLQQYSMEQ-UHFFFAOYSA-N
SMILES :[Cl-].Nc1ccc(cc1)C(\c2ccc(N)cc2)=C3/C=CC(=[NH2+])C=C3
CAS DataBase Reference :569-61-9
IARC :2B (Vol. 57, 99) 2010
EPA Substance Registry System :C.I. Basic Red 9, monohydrochloride (569-61-9)
Safety Information
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| Signal word: | Danger | ||||||||||||||
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Description
Pararosaniline hydrochloride is used to dye polyacrylonitrile fibers. It is also is used as a colorimetric test for aldehydes, in the Schiff test. It is the only basic fuchsine component suitable for making the aldehyde-fuchsine stain for pancreatic islet beta cells.More related product prices
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Suppliers and manufacturers
Shanghai Dingfen Chemical Technology Co., Ltd.
Hunan Yongqi Chemical Co., LTD
Shanghai Biological Technology Development Co., Ltd.
J & K SCIENTIFIC LTD.
Meryer (Shanghai) Chemical Technology Co., Ltd.
3B Pharmachem (Wuhan) International Co.,Ltd.
future industrial shanghai co., ltd
Alfa Aesar
TCI (Shanghai) Development Co., Ltd.
Shanghai Hanhong Scientific Co.,Ltd.