Product Document Searching Made Easy by 2D Code! | TCI Chemistry News October 2025 | [TCIPracticalExample] Di-Cbz Guanidinylation of Amine... | Various analytical charts can be searched on each product detail page and Product Document Search (The kinds of analytical charts differ by product)
Maximum quantity allowed is 999
Please select the quantity
CAS RN: 548-24-3 | Product Number: E0204
Acid Red 91
×
![]()
×
Purity:
Synonyms:
- Eosin Bluish
- Imperial Red
Product Documents:
| Size | Unit Price | Same Day | 2-3 Business Days | Other Lead Time | Quantity |
Shipping Information
|
|---|---|---|---|---|---|---|
| 25G |
S$73.50
|
11 | 31 | It can be shipped in about 2 weeks after ordering |
|
* Please contact our distributors or
TCI
to order TCI products.
* The storage conditions are subject to change without notice.
| Product Number | E0204 |
| Molecular Formula / Molecular Weight | C__2__0H__6Br__2N__2Na__2O__9 = 624.06 |
| Physical State (20 deg.C) | Solid |
Storage Temperature 
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 548-24-3 |
| Reaxys Registry Number | 4121964 |
| PubChem Substance ID | 87569492 |
| Merck Index (14) | 3602 |
| Colour Index | 45400 |
| MDL Number | MFCD00005041 |
Specifications
| Appearance | Amber to Brown powder to crystal |
| Lambda max. | 514.0 to 518.0 nm(H2O) |
| Absorbance(E1%1cm) | min. 850(H2O, 514.0 to 518.0 nm) |
| NMR | confirm to structure |
Properties (reference)
| Maximum Absorption Wavelength | 516 nm (H__2O) |
GHS
Related Laws:
Transport Information:
| H.S.code* | 3204.12-100 |
PubMed Literature
Product Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
Please select Language.
The requested SDS is not available.
Please Contact Us for more information.
Specifications
C of A & Other Certificates
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
Sample C of A
This is a sample C of A and may not represent a recently manufactured lot of the product.
A sample C of A for this product is not available at this time.
Analytical Charts
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
The requested analytical chart is not available. Sorry for the inconvenience.