A0503756
N,N'-Diphenylbenzidine , 99.5% , 531-91-9
Synonym(s):
N,N′-Diphenyl-4,4′-diaminobiphenyl, N,N′-Diphenyl-[1,1′-biphenyl]-4,4′-diamine;N,N′-Diphenylbenzidine
CAS NO.:531-91-9
Empirical Formula: C24H20N2
Molecular Weight: 336.43
MDL number: MFCD00003016
EINECS: 208-521-7
Pack Size | Price | Stock | Quantity |
5g | RMB95.20 | In Stock |
|
25g | RMB319.20 | In Stock |
|
100g | RMB1039.20 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
Melting point: | 246-248 °C(lit.) |
Boiling point: | 462.9°C (rough estimate) |
Density | 1.1750 (rough estimate) |
vapor density | 11.6 (vs air) |
refractive index | 1.7620 (estimate) |
Flash point: | >110°C |
storage temp. | Store below +30°C. |
solubility | Acetone (Slightly), DMF (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly, Sonicated) |
form | Fine Crystalline Powder |
pka | 1.31±0.40(Predicted) |
color | Gray to brownish |
Water Solubility | Insoluble in water. |
Sensitive | Light Sensitive |
Merck | 14,3319 |
BRN | 2220993 |
InChIKey | FDRNXKXKFNHNCA-UHFFFAOYSA-N |
CAS DataBase Reference | 531-91-9(CAS DataBase Reference) |
NIST Chemistry Reference | [1,1'-Biphenyl]-4,4'-diamine, n,n'-diphenyl-(531-91-9) |
EPA Substance Registry System | [1,1'-Biphenyl]-4,4'-diamine, N,N'-diphenyl- (531-91-9) |
Description and Uses
N,N'-Diphenylbenzidine is an indicator suitable for redox titrations, e.g. with dichromate or cerium(IV) sulfate 1,2. It is also used as intermediates in organic synthesis.
Safety
Symbol(GHS) | GHS07,GHS08 |
Signal word | Warning |
Hazard statements | H302+H312+H332-H351 |
Precautionary statements | P201-P202-P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P308+P313-P405-P501 |
Hazard Codes | Xi |
Safety Statements | 22-24/25 |
RIDADR | 2811 |
WGK Germany | 3 |
F | 8 |
TSCA | Yes |
HazardClass | 6.1(b) |
PackingGroup | III |
HS Code | 29215900 |