ACID RED 66
- Product Name
- ACID RED 66
- CAS No.
- 4196-99-0
- Chemical Name
- ACID RED 66
- Synonyms
- CI 26905;NSC79710;SCARLET B;PONCEAU B;NSC 79710;NSC-79710;PONCEAU BS;BONCEAU BS;Scarlet EC;CI NO 26905
- CBNumber
- CB2104531
- Molecular Formula
- C22H17N4NaO7S2
- Formula Weight
- 536.51
- MOL File
- 4196-99-0.mol
ACID RED 66 Property
- Melting point:
- 181-188 °C
- Flash point:
- 300°(572°F)
- storage temp.
- room temp
- solubility
- ethanol: 1 mg/mL
- form
- Powder
- Colour Index
- 26905
- color
- Dark brown powder
- Water Solubility
- Appreciable (> 10%)
- BRN
- 3883900
- Stability:
- Stable. Incompatible with strong oxidizing agents.
- CAS DataBase Reference
- 4196-99-0
- EPA Substance Registry System
- C.I. Acid Red 66, disodium salt (4196-99-0)
Safety
- Hazard Codes
- Xi,Xn
- Risk Statements
- 36/37/38-20/21/22
- Safety Statements
- 37/39-26-36
- WGK Germany
- 3
- TSCA
- Yes
- HS Code
- 32041200
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321Specific treatment (see … on this label).
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P362Take off contaminated clothing and wash before reuse.
N-Bromosuccinimide Price
- Product number
- B6008
- Product name
- Ponceau BS
- Purity
- Dye content ~60 %
- Packaging
- 25g
- Price
- $34.8
- Updated
- 2024/03/01
- Product number
- J65603
- Product name
- Biebrich Scarlet sodium salt
- Packaging
- 25g
- Price
- $17.65
- Updated
- 2024/03/01
- Product number
- J65603
- Product name
- Biebrich Scarlet sodium salt
- Packaging
- 100g
- Price
- $56.65
- Updated
- 2024/03/01
- Product number
- B6008
- Product name
- Ponceau BS
- Purity
- Dye content ~60 %
- Packaging
- 100g
- Price
- $104
- Updated
- 2024/03/01
- Product number
- M051
- Product name
- Biebrich Scarlet sodium salt
- Packaging
- 5g
- Price
- $34
- Updated
- 2021/12/16
ACID RED 66 Chemical Properties,Usage,Production
Chemical Properties
dark red powder
Uses
Ponceau BS has been used in Masson′s trichrome stain for the staining of collagen. It has also been used for eosinophil staining.
Definition
ChEBI: An organic sodium salt having 2-[(2-hydroxynaphthalen-1-yl)diazenyl]-5-[(4-sulfonatophenyl)diazenyl]benzene-1-sulfonate as the counterion. Used as a plasma stain in Masson's trichrome.
Preparation
3,4′-Disulfo-4-aininoazobenzene?diazo, and Naphthalen-2-ol coupling.
Biochem/physiol Actions
Ponceau BS is used in Masson′s trichrome staining procedure, along with acid fuchsin, for the labeling of collagen and muscle red.
Properties and Applications
yellow light red. Soluble in water for orange red, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. In the dark for the strong sulfuric acid, diluted for orange red, then have a brown precipitation. In nitric acid solution for blue, then into amber color. In water solution to join strong hydrochloric acid have red precipitate; Add thick sodium hydroxide solution have yellow brown precipitation.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3-4 | 3-4 | 3 | 5 | ||||
| AATCC | 4 | 4 | 2 | 3 | 1 | 4 | ||