70215
2,3-Naphthalenedicarboxaldehyde
suitable for fluorescence
Synonym(s):
NDA
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About This Item
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form
crystals
Quality Level
impurities
≤2% mono- and dicarboxylic acid (1H-NMR)
mp
131-133 °C (lit.)
132-135 °C
fluorescence
λex 420 nm; λem ~480 nm in 0.1 M borate pH 9.3 (after derivatization with glycine [~90 μM glycine, ~20 μM N-])
suitability
suitable for fluorescence
storage temp.
2-8°C
SMILES string
[H]C(=O)c1cc2ccccc2cc1C([H])=O
InChI
1S/C12H8O2/c13-7-11-5-9-3-1-2-4-10(9)6-12(11)8-14/h1-8H
InChI key
ZIPLKLQPLOWLTM-UHFFFAOYSA-N
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This Item | 79760 | 46940 | N9158 |
|---|---|---|---|
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| mp 131-133 °C (lit.), 132-135 °C | mp 54-56 °C | mp - | mp - |
| form crystals | form solid | form solid | form solid |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. −20°C | storage temp. −20°C |
| impurities ≤2% mono- and dicarboxylic acid (1H-NMR) | impurities ≤0.5% phthalic acid | impurities - | impurities - |
| fluorescence λex 420 nm; λem ~480 nm in 0.1 M borate pH 9.3 (after derivatization with glycine [~90 μM glycine, ~20 μM N-]) | fluorescence λex 334 nm; λem 455 nm (Thiol Adduct), λex 340 nm; λem 450 nm in reaction buffer (with glycine) | fluorescence λex 490 nm; λem 514 nm (pH 8.2), λex 491 nm; λem 515 nm in 0.1 M Tris pH 9.0 | fluorescence - |
![6-[Fluorescein-5(6)-carboxamido]hexanoic acid N-hydroxysuccinimide ester suitable for fluorescence, ≥75% (HPLC)](/deepweb/assets/sigmaaldrich/product/structures/387/963/318bf7ad-cf3e-4963-b3df-a9631e1631ae/640/318bf7ad-cf3e-4963-b3df-a9631e1631ae.png)
General description
2,3-Naphthalenedicarboxaldehyde is a fluorescent derivatization agent of primary amines, amino acids, and small peptides. The reaction between the amino compounds and NDA results in highly fluorescent and stable derivative compounds.
Application
Features and Benefits
- High Reaction rate.
- High Fluorescence quantum yield.
- No uncommon excitation wavelength.
- No side reactions.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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