ChemicalBook > CAS DataBase List > Basic Red 2
Basic Red 2
- Product Name
- Basic Red 2
- CAS No.
- 477-73-6
- Chemical Name
- Basic Red 2
- Synonyms
- SAFRANIN;S NO 967;CI 50240;SAFRANINE;Saffron T;SAFRANIN A;SAFRANIN O;SAFRANIN T;SAFRANIN Y;COTTON RED
- CBNumber
- CB8141392
- Molecular Formula
- C20H19ClN4
- Formula Weight
- 350.85
- MOL File
- 477-73-6.mol
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Basic Red 2 Property
- Melting point:
- >240℃ (decompose)
- Boiling point:
- 507.14°C (rough estimate)
- Density
- 1.00 g/mL at 20 °C
- refractive index
- n20/D 1.339
- Flash point:
- 46 °C
- storage temp.
- Keep in dark place,Inert atmosphere,Room temperature
- solubility
- H2O: soluble1mg/mL
- form
- Solid
- pka
- 6.4(at 25℃)
- Colour Index
- 50240
- color
- S. No.: 967
- PH
- 10 (10g/l, H2O, 20℃)
- Water Solubility
- soluble
- λmax
- 530 nm
- BRN
- 3924099
- Stability:
- Stable.
- Biological Applications
- Hematotoxicity assays; measuring membrane potential; detecting microorganisms; treating diabetes-associated pain,mechanical allodynia,oncological diseases; food packaging materials
- EPA Substance Registry System
- 3,7-Diamino-2,8-dimethyl-5-phenylphenazinium chloride (477-73-6)
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Safety
- Hazard Codes
- Xi
- Risk Statements
- 41-36/38-37/38-10-36/37/38
- Safety Statements
- 26-39-24/25-36-16
- RIDADR
- UN 1170 3/PG 3
- WGK Germany
- 3
- RTECS
- SG1623000
- TSCA
- Yes
- HS Code
- 32041300
- Hazardous Substances Data
- 477-73-6(Hazardous Substances Data)
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 94635
- Product name
- Gram’s safranin solution
- Purity
- formicroscopy
- Packaging
- 250ML
- Price
- $51.1
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 94635
- Product name
- Gram’s safranin solution
- Purity
- formicroscopy
- Packaging
- 2.5L
- Price
- $247
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 39955
- Product name
- Schaeffer and Fulton Spore Stain Solution B
- Purity
- formicroscopy
- Packaging
- 100mL
- Price
- $52.7
- Updated
- 2023/06/20
Sigma-Aldrich
- Product number
- 350-M
- Product name
- Safranin O
- Purity
- HARLECO? Used in various staining protocols such as Gram staining. Can be used as a cytological counterstain
- Packaging
- 25g
- Price
- $117
- Updated
- 2023/01/07
Sigma-Aldrich
- Product number
- 350-M
- Product name
- Safranin O
- Purity
- HARLECO? Used in various staining protocols such as Gram staining. Can be used as a cytological counterstain
- Packaging
- 100g
- Price
- $336
- Updated
- 2023/01/07
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Basic Red 2 Chemical Properties,Usage,Production
Chemical Properties
Dark red to violet powder
Uses
A biological stain used to stain Gram negative bacteria, chromosomes, mucin, cartilage and mast cells. Dyes and metabolites, Environmental Testing
Uses
In forensics to visualize details of cyanoacrylate-fumed friction ridges of human digits.
Definition
A red dye that flu- oresces when exposed to selected wavelengths of light.
Application
Basic Red 2 is disclosed as colored charge-controlling agent in toners for electrophotography and as photosensitizer in solar cells. Safranine dyes are also suitable for use in photoelectric processes. Further more,they can be used as desensitizers indirect positive printing-out emulsions, for photopolymerization using visible light,a slight filters with variable optical density, and as dye components in soluble complex-forming molecules used in affinity-specific separation of nucleic acids.
Preparation
commonly known as Safranine T. Such molecular ratio of 2-Methylbenzene-1 ,4-diamine, and O-Methylaniline oxidation, the resulting condensation product of aniline and purified by precipitation segmented dye, and then converted to the chloride.
Properties and Applications
bright blue light pink. Soluble in water for red, soluble in ethanol with yellow red fluorescent red. The strong sulfuric acid for green, diluted by blue to become red. The dye solution to join sodium hydroxide produce light brown red precipitate; Join the hydrochloric acid into blue purple. Used for paper making industry and color up manufacturing. Also used in acrylic, linen, silk products dyeing.
| Standard( Cotton ) | Light Fastness | Persperation Fastness | Ironing Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| C | 1-2 | 2 | 2-3 | 2-3 | 5 | ||
Purification Methods
Crystallise it from *benzene/MeOH (1:1) or water. Dry it in vacuo over H2SO4. It has UV: at 520nm (H2O) and 530nm (EtOH). [Beilstein 25 H 403, 25 I 657, 25 III/IV
Basic Red 2 Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Basic Red 2 manufacturers
WUHAN FORTUNA CHEMICAL CO., LTD
- Product
- Basic Red 2 477-73-6
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99.0%
- Supply Ability
- 1000kg/month
- Release date
- 2021-07-28
Shaanxi Dideu Medichem Co. Ltd
- Product
- Basic Red 2 477-73-6
- Price
- US $1.00-22.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 100000KG
- Release date
- 2024-08-12
Honest Joy Holdings Limited
- Product
- Basic Red 2 477-73-6
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98.3%
- Supply Ability
- 100 tons
- Release date
- 2022-02-18
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