440914

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

powder or granules, 97%

• Synonym(s): α,α′-Azodiisobutyramidine dihydrochloride, AAPH
• Linear Formula: [=NC(CH₃)₂C(=NH)NH₂]₂·2HCl
• CAS Number: 2997-92-4
• Molecular Weight: 271.19
• Beilstein: 3718854
• EC Number: 221-070-0
• MDL number: MFCD00142725
• PubChem Substance ID: 24867630
• NACRES: NA.23

Properties

• Quality Level: 200
• 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

Description

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

Safety Information

• Pictograms: GHS02,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H251 - H302 - H317 - H319 - H410
• Precautionary Statements: P235 - P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Self-heat. 1 - Skin Sens. 1
• Storage Class Code: 4.2 - Pyrophoric and self-heating hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable