Fluorescent Brightener 28
Synonym(s):Calcofluor White LRP;Calcofluor White M2R;Calcofluor White ST;Fluostain I;Tinopal LPW
- CAS NO.：4193-55-9
- Empirical Formula: C40H45N12NaO10S2
- Molecular Weight: 940.98
- MDL number: MFCD00010566
- EINECS: 224-073-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-03-04 10:44:01
What is Fluorescent Brightener 28?
The Uses of Fluorescent Brightener 28
Fluorescent brightener 28 (CAS# 4193-55-9) is a fluorescent whitening agent used for textiles.
What are the applications of Application
Fluorescent Brightener 28 is a fluorescent brightener compound
Definition
ChEBI: Calcofluor White is an organic sodium salt. It contains a 4,4'-bis({4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl}amino)stilbene-2,2'-disulfonate.
Safety Profile
Poison by ingestion andintraperitoneal routes. Moderately toxic by subcutaneousroute. An eye irritant. Whenheated to decomposition it emits very toxic fumes ofNOx, Na2O, and SOx.
Properties of Fluorescent Brightener 28
| Melting point: | 290°C |
| Density | 1.37[at 20℃] |
| vapor pressure | 0-0Pa at 25℃ |
| storage temp. | Hygroscopic, Room Temperature, Under inert atmosphere |
| solubility | DMSO (Slightly, Sonicated), Methanol (Slightly, Heated, Sonicated) |
| form | Solid |
| color | Light Yellow to Yellow |
| Water Solubility | 10-48.2g/L at 20-26℃ |
| Stability: | Hygroscopic |
| EPA Substance Registry System | Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-, sodium salt (1:2) (4193-55-9) |
Safety information for Fluorescent Brightener 28
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for Fluorescent Brightener 28
Fluorescent Brightener 28 manufacturer
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