Determine the necessary mass, volume, or concentration for preparing a solution.
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Moligand™, 10mM in DMSO Moligand™ pour les flux de travail chromatographiques et analytiques sensibles nécessitant une interférence de ligne de base minimale.
Store at -80°C Expédition Dry ice packs + Cold packs. Consultez le COA spécifique au lot pour les spécifications exactes.
SDS, COA, fiche technique et fiche de spécifications disponibles au téléchargement. COA spécifique au lot accessible via la recherche par numéro de lot.
Cité dans 1402 publications à comité de lecture couvrant la chromatographie, la synthèse organique et les réactions de couplage croisé.
Product Introduction
Slightly special smell, strong astringency, exposure to light and deep color change in the air. Soluble in water, easily soluble in ethanol, acetone and glycerol, almost insoluble in ether, benzene, chloroform and petroleum ether. Slightly special smell and strong astringency.
Pale yellow amorphous powder or loose shiny scaly or spongy solid, which is mostly decomposed into pyrogallic acid and carbon dioxide at 210-215℃. 1g is dissolved in 0.35ml water and 1ml hot glycerin. It is odorless and flammable. When exposed to albumin, starch, gelatin, and many alkaloids and metal salts, they precipitate, and when exposed to iron salts, they also produce black or precipitate. Autoignition point 526.6℃; The median lethal dose (LD) (rabbit, oral) was 5.0g/kg.
Tannin is not a single compound, but its chemical composition is complex and can be roughly divided into two types:
(1) condensed tannin is flavanol, and the 2-position of flavanol in the molecule is combined with catechol or phloroglucinol through carbon-carbon bond.
② Hydrolyzable tannin, with ester bond in its molecule, is gallic acid ester of glucose. The latter is commonly used tannin. Tannin from Chinese gallnut contains about 12% glucose, and tannin from Turkish gallnut contains about 16.5% glucose.
Product Usage
Precipitation and gravimetric determination of beryllium, aluminum, gallium, indium, niobium, tantalum and zirconium. Comparative determination of copper, iron, vanadium, cerium and cobalt. Precipitators for proteins and alkaloids. External indicator for titration of lead with ammonium molybdate. Dye mordant.
Iron tannin complex was synthesized by reaction with metallic iron. Deproteins in the preparation of genome and plasmid DNA. As a reducing agent in the synthesis of metal nanoparticles.
Document complet couvrant les dangers, la manipulation, le stockage et la conformité réglementaire.
<<<<<<< HEAD Télécharger la SDS → ======= Télécharger la SDS → >>>>>>> release248-p3Données qualité spécifiques au lot. Saisissez votre numéro de lot pour récupérer le COA exact.
Rechercher le COA →Résumé de référence rapide des spécifications et applications du produit.
Voir la fiche technique →Attributs de qualité complets et critères d'acceptation pour cette qualité.
Voir la fiche de spécifications →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Phenylpropanoids and polyketides |
| Classe | Tannins |
| Subclass | Hydrolyzable tannins |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Hydrolyzable tannins |
| Alternative Parents | Depsides and depsidones Galloyl esters p-Hydroxybenzoic acid alkyl esters m-Hydroxybenzoic acid esters Phenol esters Pyrogallols and derivatives Phenoxy compounds Benzoyl derivatives Catechols 1-hydroxy-2-unsubstituted benzenoids 1-hydroxy-4-unsubstituted benzenoids Oxanes Monosaccharides Carboxylic acid esters Oxacyclic compounds Acetals Polyols Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Hydrolyzable tannin - Depside backbone - Galloyl ester - Gallic acid or derivatives - P-hydroxybenzoic acid alkyl ester - M-hydroxybenzoic acid ester - P-hydroxybenzoic acid ester - Dihydroxybenzoic acid - Phenol ester - Benzoate ester - Benzenetriol - Benzoic acid or derivatives - Pyrogallol derivative - Phenoxy compound - Catechol - Benzoyl - Phenol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Monosaccharide - Oxane - Benzenoid - Monocyclic benzene moiety - Carboxylic acid ester - Polyol - Acetal - Carboxylic acid derivative - Organoheterocyclic compound - Oxacycle - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Organooxygen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as hydrolyzable tannins. These are tannins with a structure characterized by either of the following models. In model 1, the structure contains galloyl units (in some cases, shikimic acid units) that are linked to diverse polyol carbohydrate-, catechin-, or triterpenoid units. In model 2, contains at least two galloyl units C-C coupled to each other, and do not contain a glycosidically linked catechin unit. |
| External Descriptors | tannin |
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| Sensibilité | Air & Light Sensitive |
|---|---|
| Point d'éclair (°F) | 390.2 °F |
| Point d'éclair (°C) | 199 °C |
| Point de fusion (°C) | 210-215°C |
| Poids moléculaire | 1701.200 g/mol |
| XLogP3 | 6.200 |
| Hydrogen Bond Donor Count | 25 |
| Hydrogen Bond Acceptor Count | 46 |
| Rotatable Bond Count | 31 |
| Exact Mass | 1700.17 Da |
| Monoisotopic Mass | 1700.17 Da |
| Topological Polar Surface Area | 778.000 Ų |
| Heavy Atom Count | 122 |
| Formal Charge | 0 |
| Complexity | 3570.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 5 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
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