USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
cas:74-31-7 specification
item |
specifications |
results |
appearance |
silvery white flake crystalls or tannish-gray powder |
silvery white flake crystalls or tannish-gray powder |
initial melting point |
≥140.0℃ |
143.2℃ |
ash |
≤0.4% |
0.3% |
heating loss |
≤0.50% |
0.32% |
residue on sieve (100mesh) |
≤1.0% |
0.63% |
cas:74-31-7 basic information
product name: n,n-diphenyl-p-phenylenediamine (antioxidant h) 74-31-7
synonyms: 4,4’-diphenyl-p-phenylenediamine;4,4'-diphenyl-p-phenylenediamine;4-
phenylaminodiphenylamine;altofane dip;altofanedip;antage dp;antagedp;antigenep
cas: 74-31-7
mf: c18h16n2
mw: 260.33
einecs: 200-806-4
product categories: organics;diphenylamines (for high-performance polymer research);functional
materials;reagent for high-performance polymer research
mol file: 74-31-7.mol
cas:74-31-7 chemical properties
mp 143-145 °c(lit.)
bp 220-225 °c0.5 mm hg(lit.)
density 1.2
fp 220-225°c/1mm
storage temp. 2-8°c
water solubility <0.1 g/100 ml at 20 ºc
merck 14,3329
stability: stable. incompatible with strong acids, strong oxidizing agents
cas database reference 74-31-7(cas database reference)
nist chemistry reference 1,4-benzenediamine, n,n'-diphenyl-(74-31-7)
epa substance registry system 1,4-benzenediamine, n,n'-diphenyl-(74-31-7)