Molekula
Dansyl chloride
Dansyl chloride is a fluorescent labeling reagent used in analytical chemistry and biochemistry for tagging amino acids, proteins, and other biomolecules. It is a yellow crystalline solid with the molecular formula C12H12ClNO2S and a molecular weight of 269.75 g/mol. It is stored at 2 to 8 °C and classified as dangerous. Molekula supplies Dansyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Dansyl chloride is a fluorescent labeling reagent used in analytical chemistry and biochemistry for tagging amino acids, proteins, and other biomolecules. It is a yellow crystalline solid with the molecular formula C12H12ClNO2S and a molecular weight of 269.75 g/mol. It is stored at 2 to 8 °C and classified as dangerous. Molekula supplies Dansyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Yellow powder |
| Melting Point | 72° - 74°C |
| Solubility | In Acetone |
| Assay (HPLC) | >97.5% |
| Residue on Ignition | ≤0.5% |
| Moisture | ≤0.3% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | II |
| Shelf Life | 24 months |
Identification
| Property | Value |
|---|---|
| CAS Number | 605-65-2 |
| Molecular Formula | C12H12ClNO2S |
| Molecular Weight | 269.75 |
| EC / UN Number | 3261 |
| REACH Code | Y110 |
| Tariff Code | 29214500 EXP 2921450090 IMP |
Safety & GHS
-
Compressed Gas
GHS04
Hazard statements
- EUH029 Contact with water liberates toxic gas
- H314 Causes severe skin burns and eye damage
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is dansyl chloride used for?
Dansyl chloride is primarily used as a fluorescent labeling reagent for amines and thiols in biochemical and analytical applications.
What is the chemical formula and molecular weight of dansyl chloride?
The formula is C12H12ClNO2S with a molecular weight of 269.75 g/mol.
How should dansyl chloride be stored?
Store at 2 to 8 °C in a cool, dark place to maintain stability and prevent degradation.
What grade of dansyl chloride does Molekula supply?
Molekula supplies dansyl chloride in high-purity research grade.
Can Molekula supply dansyl chloride in bulk?
Yes, Molekula can supply dansyl chloride in bulk quantities—please contact sales for details.
What documentation comes with a dansyl chloride order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.