USD $10.00-90.00 / Kilogram
USD $1.00-10.00 / Kilogram
our company was built in 2009 with an iso certificate.in the past 5 years, we have grown up as a famous fine chemicals supplier in china and we had established stable business relationships with samsung,lg,merck,thermo fisher scientific and so on.our main business covers the fields below:
1.noble metal catalysts (pt.pd...)
2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)
3.oled intermediates (fluorene,carbazole,boric acid...)
4.customs synthesis
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1. higest quality and good package
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3.better payment term
4.fast response to customer within 6 hours
5.good business credit in europe ,us ,japan ,korea
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diphenylmethane basic information |
product name: | diphenylmethane |
synonyms: | benzene,1,1’-methylenebis-;diphenyl-methan;ditan;methane, diphenyl-;methane,diphenyl-;-phenyltoluene;toluene, alpha-phenyl-;benzylbenzene |
cas: | 101-81-5 |
mf: | c13h12 |
mw: | 168.23 |
einecs: | 202-978-6 |
product categories: | pharmaceutical intermediates |
mol file: | 101-81-5.mol |
diphenylmethane chemical properties |
melting point | 24.5 °c |
boiling point | 265 °c |
density | 1.006 g/ml at 25 °c(lit.) |
vapor density | 5.79 (vs air) |
vapor pressure | <1 mm hg ( 77 °c) |
refractive index |
n |
fp | >230 °f |
storage temp. | store below +30°c. |
solubility | soluble in ethanol, ether, benzene and chloroform. |
pka | 33.5(at 25℃) |
form | low melting solid |
color | colorless to pale yellow |
explosive limit | 0.69-8.66%(v) |
merck | 14,3328 |
brn | 1904982 |
cas database reference | 101-81-5(cas database reference) |
nist chemistry reference | diphenylmethane(101-81-5) |
epa substance registry system | benzene, 1,1'-methylenebis-(101-81-5) |
safety information |
hazard codes | xn |
risk statements | 22 |
safety statements | 24/25-58-54-44-29 |
ridadr | un3077 |
wgk germany | 2 |
rtecs | da4976500 |
tsca | yes |
hazardclass | 9 |
packinggroup | iii |
hazardous substances data | 101-81-5(hazardous substances data) |
msds information |
provider | language |
---|---|
acros | english |
sigmaaldrich | english |
alfa | english |
diphenylmethane usage and synthesis |
chemical properties | colorless to pale yellow low melting solid |
definition | chebi: a diarylmethane that is methane substituted by two phenyl groups. |
diphenylmethane preparation products and raw materials |
raw materials | aluminium chloride-->zinc chloride-->amalgam |
preparation products | estradiol-->2-(4-chlorophenyl)-3-methylbutyronitrile-->α-phenyl-2-p-tolylethylamine-->azelastine-->bromodiphenylmethane-->blasticidin s-->polymethylene polyphenyl polyisocyanate |