A0638
Adipic acid dihydrazide
≥98% (titration)
Synonym(s):
Hexanedihydrazide
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About This Item
Linear Formula:
NH2NHCO(CH2)4CONHNH2
CAS Number:
Molecular Weight:
174.20
Beilstein:
973863
EC Number:
MDL number:
UNSPSC Code:
12352127
PubChem Substance ID:
NACRES:
NA.25
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Assay
≥98% (titration)
form
powder
reaction suitability
reagent type: cross-linking reagent
mp
180-182 °C (lit.)
solubility
H2O: 100 mg/mL
storage temp.
−20°C
SMILES string
NNC(=O)CCCCC(=O)NN
InChI
1S/C6H14N4O2/c7-9-5(11)3-1-2-4-6(12)10-8/h1-4,7-8H2,(H,9,11)(H,10,12)
InChI key
IBVAQQYNSHJXBV-UHFFFAOYSA-N
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General description
Adipic acid dihydrazide is a homobifunctional cross-linking reagent that is specific for aldehydes. This results in relatively stable hydrazone linkages. Adipic acid dihydrazide is generally used in the linking of glycoproteins, like antibodies, in a site-specific fashion following periodate oxidation. Oxidation and coupling may be performed at pH 5.0 due to the low pKa of the hydrazide which avoids competition by primary amines.
Application
Adipic acid dihydrazide has been used:
- in the preparation of reactive premix to synthesize the porous biomaterial
- for the crosslinking of methacrylated chondroitin sulfate (MA-CS) coating using carbodiimide-based chemistry for the production and characterization of methacrylated chondroitin sulfate magnetic nanoparticles (MA-CS MNPs)
- for the covalent labeling of rhamnolipids, pyochelin, and vancomycin with Abberior STARNHS ester dye
Biochem/physiol Actions
Adipic acid dihydrazide (ADH) is a low molecular weight compound that comprises a hydrazide group at each end. This leads to the supply of extra adsorption sites for heavy metals that maintain or elevate the adsorption capacities of the cross-linked adsorbents. ADH is used as a crosslinker in various fields, like making mechanical latexes films and injectable oxidized hyaluronic acid hydrogel.
Other Notes
Note that the hydrazone bond may be stabilized by selective reduction using, for example, sodium cyanoborohydride.
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Chronic 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
302.0 °F - closed cup
Flash Point(C)
150 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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