Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Vapour pressure

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
Estiimated data is from authoritative database
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
Vapour pressure of N-(4-{bis[4-(dimethylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride was estimated.
GLP compliance:
not specified
Type of method:
other: no data
Specific details on test material used for the study:
- Name of test material: Gentian violet
- IUPAC name: N-(4-{bis[4-(dimethylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride
- Molecular formula: C25H30ClN3
- Molecular weight: 407.986 g/mole
- Smiles : C(\c1ccc(N(C)C)cc1)(c1ccc(N(C)C)cc1)=C1\C=C\C(=[N+](/C)C)C=C1.[ClH-]
- Inchl: 1S/C25H30N3.ClH/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6;/h7-18H,1-6H3;1H/q+1;/p-1
- Substance type: Organic
- Physical state: Solid green powder
Key result
Test no.:
#1
Temp.:
25 °C
Vapour pressure:
0 Pa
Remarks on result:
other: no other details available
Conclusions:
Based on available data from various reliable resources such as authoritative database, the vapour pressure of chemical N-(4-{bis[4-(dimethylamino) phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride was estimated to be 2.57E-12 Pa at 25 deg C.
Executive summary:

Based on available data from various reliable resources such as authoritative database, the vapour pressure of chemical  N-(4-{bis[4-(dimethylamino) phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride was estimated to be 2.57E-12 Pa at 25 deg C.

Description of key information

Based on available data from various reliable resources such as authoritative database, the vapour pressure of chemical  N-(4-{bis[4-(dimethylamino) phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride was estimated to be 2.57E-12 Pa at 25 deg C.

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
25 °C

Additional information

Based on available data from various reliable resources such as authoritative database, the vapour pressure of chemical  N-(4-{bis[4-(dimethylamino) phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride was estimated to be 2.57E-12 Pa at 25 deg C.

Other supporting study also estimated the vapour pressure of chemical  N-(4-{bis[4-(dimethylamino) phenyl]methylene}cyclohexa- 2,5-dien-1-ylidene)-N-methylmethanaminium chloride by using MPBPVP v1.43 of EPI SUITE of Modified Grain method (Mean of Antoine and Modified Grain methods).

The estimated vapour pressure of the test substance N-(4-{bis[4-(dimethylamino)phenyl]methylene} cyclohexa-2,5-dien-1-ylidene) -N-methylmethanaminium chloride at 25deg C was 1.36E-011 Pa.