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440914

Sigma-Aldrich

2,2′-Azobis(2-methylpropionamidine) dihydrochloride

powder or granules, 97%

Sinónimos:

AAPH

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About This Item

Fórmula lineal:
[=NC(CH3)2C(=NH)NH2]2·2HCl
Número de CAS:
2997-92-4
Peso molecular:
271.19
Beilstein/REAXYS Number:
3718854
EC Number:
221-070-0
MDL number:
MFCD00142725
UNSPSC Code:
12162002
PubChem Substance ID:
24867630
NACRES:
NA.23

assay

97%

form

powder or granules

t1/2

10 hr(56 °C)

mp

175-177 °C (lit.)

solubility

acetone, dioxane, methanol, ethanol, DMSO and water: soluble

SMILES string

Cl.Cl.CC(C)(\N=N\C(C)(C)C(N)=N)C(N)=N

InChI

1S/C8H18N6.2ClH/c1-7(2,5(9)10)13-14-8(3,4)6(11)12;;/h1-4H3,(H3,9,10)(H3,11,12);2*1H/b14-13+;;

InChI key

LXEKPEMOWBOYRF-QDBORUFSSA-N

Categorías relacionadas

Application

Free radical initiator.
Polymerization initiator for acrylic, vinyl and allyl monomers.

Features and Benefits

Undergoes first order decomposition to a cationic radical. Decomposes on exposure to UV. Compatible with cationic surfactants. Decomposition rate is pH dependent

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Self-heat. 1 - Skin Sens. 1

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Shawn N Watson et al.
Neurobiology of aging, 34(2), 610-620 (2012-03-31)
Memory failure associated with changes in neuronal circuit functions rather than cell death is a common feature of normal aging in diverse animal species. The (neuro)biological foundations of this phenomenon are not well understood although oxidative stress, particularly in the
A Nakajima et al.
Analytical and bioanalytical chemistry, 403(7), 1961-1970 (2012-05-01)
The characteristics of the spin-trapping reaction in the oxygen radical absorbance capacity (ORAC)-electron spin resonance (ESR) assay were examined, focusing on the kind of spin traps. 2,2-Azobis(2-amidinopropane) dihydrochloride (AAPH) was used as a free radical initiator. The spin adducts of
Ju-Young Ko et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 52, 113-120 (2012-11-14)
We investigated the effects of bioactive-peptides from hydrolysates of flounder fish muscle (FFM) on antioxidant activity. The hydrolysates were prepared by enzymatic reactions of FFM using eight commercial proteases such as papain, pepsin, trypsin, neutrase, alcalase, kojizyme, protamex, and α-chymotrypsin.
Jia-Yu Wang et al.
Biomacromolecules, 13(9), 2616-2623 (2012-07-20)
PEO-PPO-PEO triblock copolymers have opposing effects on lipid membrane integrity: they can behave either as membrane sealants or as membrane permeabilizers. To gain insights into their biomembrane activities, the fundamental interactions between a series of PEO-based polymers and phospholipid vesicles
Nitya Jani et al.
Journal of pharmacological and toxicological methods, 65(3), 142-146 (2012-04-18)
Radical-induced haemolysis has been employed by many investigators to determine the antioxidant capacity of novel compounds. However the free radical generator 2,2'-azobis (2-amidinopropane) dihydrochloride (AAPH) results in the complete depletion of intracellular reduced glutathione (GSH) in cells that can no
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