Substance profile
N,N'-Diacetylbenzidine
N,N'-Diacetylbenzidine is needles from acetic acid.
01 · Identification
What N,N'-Diacetylbenzidine is
N,N'-Diacetylbenzidine is needles from acetic acid. Its molecular formula is C16H16N2O2 and its molecular weight is 268.31 g/mol. It melts at 328 °C.
Under the GHS it carries the signal word Danger. It is classed as carcinogens.
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H350 | May cause cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H341 | Suspected of causing genetic defects <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H332 | Harmful if inhaled. |
| H312 | Harmful in contact with skin. |
| H302 | Harmful if swallowed. |
Precautionary statements: P201, P260, P270, P271, P280, P301, P302, P304, P308, P312, P313, P330, P352
03 · Physical and chemical properties
N,N'-Diacetylbenzidine properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 328.3 °C (622.9 °F) | HSDB | |
| 328.5 °C (623.3 °F) | range, midpoint shown | ICSC | |
| Solubility | SOL IN ETHANOL, ETHYL ACETATE | HSDB | |
| Solubility in water: none | ICSC |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling N,N'-Diacetylbenzidine
Storage conditions
PRECAUTIONS FOR "CARCINOGENS": Storage site should be as close as practicable to lab in which carcinogens are to be used, so that only small quantities required for ... expt need to be carried. Carcinogens should be kept in only one section of cupboard, an explosion-proof refrigerator or freezer (depending on chemicophysical properties ...) that bears appropriate label. An inventory ... should be kept, showing quantity of carcinogen & date it was acquired ... Facilities for dispensing ... should be contiguous to storage area. /Chemical Carcinogens/
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check N,N'-Diacetylbenzidine in the storage compatibility matrix →