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EC number: 600-734-7 | CAS number: 106276-78-2
Nanomaterial specific surface area
Administrative data
- Endpoint:
- nanomaterial specific surface area
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2013
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
- Principles of method if other than guideline:
- The test method allow the determination of the specific surface area of substances in powder or in granulate form according to the Brunauer, Emmet and Teller (BET) principle.
- GLP compliance:
- no
- Type of method:
- BET
- Details on methods and data evaluation:
- 4.1 Preparing the Instruments
Rinsing: valves 1, 2, 3, and 4 are open (pin has been removed), the blocking valve 5 is locked. Both the adsorption vessels are still on the AREA-Meter. The nitrogen stream is on (20%).
5. Evaluation
The nomographic evaluation is the most simplified way of calculating specific surface areas.
The specific surface area is calculated using four different parameters.
Test material
- Reference substance name:
- (3Z)-4,5,6,7-tetrachloro-3-({3-methyl-4-[(1E)-2-(3-methylphenyl)diazen-1-yl]phenyl}imino)-2,3-dihydro-1H-isoindol-1-one; 4,5,6,7-tetrachloro-3-({3-methyl-4-[(1E)-2-{4-[(4,5,6,7-tetrachloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]phenyl}amino)-1H-isoindol-1-one; 6-acetyl-3-({4-[(1E)-2-{4-[(6-acetyl-4,5,7-trichloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]-3-methylphenyl}amino)-4,5,7-trichloro-1H-isoindol-1-one; 6-acetyl-3-({4-[(1E)-2-{4-[(7-acetyl-4,5,6-trichloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]-3-methylphenyl}amino)-4,5,7-trichloro-1H-isoindol-1-one; 7-acetyl-3-({4-[(1E)-2-{4-[(6-acetyl-4,5,7-trichloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]-3-methylphenyl}amino)-4,5,6-trichloro-1H-isoindol-1-one; 7-acetyl-3-({4-[(1E)-2-{4-[(7-acetyl-4,5,6-trichloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]-3-methylphenyl}amino)-4,5,6-trichloro-1H-isoindol-1-one; N-{4-[(1E)-2-(2-methyl-4-{[(1Z)-4,5,6,7-tetrachloro-3-oxo-2,3-dihydro-1H-isoindol-1-ylidene]amino}phenyl)diazen-1-yl]phenyl}acetamide
- EC Number:
- 600-734-7
- Cas Number:
- 106276-78-2
- Molecular formula:
- C13H14N.C9H3Cl4NO2.CH4O.Na
- IUPAC Name:
- (3Z)-4,5,6,7-tetrachloro-3-({3-methyl-4-[(1E)-2-(3-methylphenyl)diazen-1-yl]phenyl}imino)-2,3-dihydro-1H-isoindol-1-one; 4,5,6,7-tetrachloro-3-({3-methyl-4-[(1E)-2-{4-[(4,5,6,7-tetrachloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]phenyl}amino)-1H-isoindol-1-one; 6-acetyl-3-({4-[(1E)-2-{4-[(6-acetyl-4,5,7-trichloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]-3-methylphenyl}amino)-4,5,7-trichloro-1H-isoindol-1-one; 6-acetyl-3-({4-[(1E)-2-{4-[(7-acetyl-4,5,6-trichloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]-3-methylphenyl}amino)-4,5,7-trichloro-1H-isoindol-1-one; 7-acetyl-3-({4-[(1E)-2-{4-[(6-acetyl-4,5,7-trichloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]-3-methylphenyl}amino)-4,5,6-trichloro-1H-isoindol-1-one; 7-acetyl-3-({4-[(1E)-2-{4-[(7-acetyl-4,5,6-trichloro-1-oxo-1H-isoindol-3-yl)amino]phenyl}diazen-1-yl]-3-methylphenyl}amino)-4,5,6-trichloro-1H-isoindol-1-one; N-{4-[(1E)-2-(2-methyl-4-{[(1Z)-4,5,6,7-tetrachloro-3-oxo-2,3-dihydro-1H-isoindol-1-ylidene]amino}phenyl)diazen-1-yl]phenyl}acetamide
- Test material form:
- solid: nanoform
- Details on test material:
- - Physical state: solid/ orange
- Storage condition of test material: The test substance was stored at ambient temperature.
- BET: 57.0 m2/g
- TEM available
Constituent 1
Data gathering
- Instruments:
- AREA-Meter II from STRÖHLEIN INSTRUMENTS
Thermostat (300-600K) for 8 Adsorption vessels with rinsing capillaries - Calibration:
- Calibration: Carbon (coal) Calibration standard 76 m2/g (± 2)
Results and discussion
Specific surface area
- Key result
- Specific Surface Area:
- 57 m²/g
- Remarks on result:
- other: no data on St. dev.
Applicant's summary and conclusion
- Conclusions:
- The SSA of test substance was determined to be 57 m²/g.
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