Registration Dossier
Registration Dossier
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1-ol, [[4-[(3-aminophenyl)amino]-6-chloro-1,3,5-triazin-2-yl]amino]-2-[(E)-2-ylazo]-, polysulfonate, polynaphthen, sodium salt (1:?), diazotized, reaction products with 2-[(aminophenyl)sulfonyl]ethyl hydrogen sulfate, 1-naphthalenol, 8-amino- (1:1), polysulfonates, sodium salts and 2,4,6-trihalogeno-1,3,5-triazine
EC number: - | CAS number: -
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2008-04-08 till 2008-05-22
- Reliability:
- 1 (reliable without restriction)
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: The log Pow-value for the test item was estimated from its solubility in n-octanol and in water, respectively.
- Principles of method if other than guideline:
- In the preliminary test, a good solubility in water and a poor solubility in n-octanol were found indicating a partition coefficient below -2. Hence, neither the HPLC-method according to OECD Guideline No. 117 nor the flask-shaking method according to OECD Guideline No. 107 were applicable for the determination of the partition coefficient of FAT 40840/A TE. Therefore the partition coefficient was estimated using the solubility data in n-octanol from the pre-test and the water from the main test.
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: see description below
- Partition coefficient type:
- octanol-water
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
- Details on test material:
- - Name of test material (as cited in study report): FAT 40840/A TE
- Substance type: colouring dye
- Physical state: solid, dark red powder
- Analytical purity: approx. 78.9% org. part (NA-salt), MC: 37.7%, Oligomers: 19.2%
- Purity test date:
- Lot/batch No.: ROE 358 BOP 01/07
- Expiration date of the lot/batch: June 30, 2012
- Storage condition of test material: At room temperature at about 20°C
Study design
- Analytical method:
- high-performance liquid chromatography
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- -4.32
- Temp.:
- 21 °C
- pH:
- 6.4
- Details on results:
- Based on the results of the preliminary test, the partition coefficient, log Pow, of FAT 40840/A TE was found to be below -2. Estimated from the individual solubilities in n-octanol and in water, respectively, the log Pow was estimated to be -4.32 .
Any other information on results incl. tables
During this study the water solubility and the partition coefficient n-octanol / water of FAT 40840/A TE was determined.
Due to the results in the preliminary test, the water solubility of FAT 40840/A TE was found to be 74.098 g/L at room temperature, the n-octanol solubility of FAT 40840/A TE was determined to be 3.577 μg/mL.
The partition coefficient log POW of FAT 40840/A TE was calculated from the individual solubilities in n-octanol and in water to be: log Pow = - 4.32
Applicant's summary and conclusion
- Conclusions:
- Based on the results of the preliminary test, the partition coefficient, log POW, of FAT 40840/A TE was found to be below -2. Estimated from the individual solubilities in n-octanol and in water, respectively, the log POW was estimated to be: log Pow = - 4.32
- Executive summary:
In the preliminary test, a good solubility in water and a poor solubility in n-octanol were found indicating a partition coefficient below -2. Hence, neither the HPLC-method according to OECD Guideline No. 117 nor the flask-shaking method according to OECD Guideline No. 107 were applicable for the determination of the partition coefficient of FAT 40840/A TE. Therefore the partition coefficient was estimated using the solubility data in n-octanol from the pre-test and the water from the main test.
Due to the results in the preliminary test, the water solubility of FAT 40840/A TE was found to be 74.098 g/L at room temperature, the n-octanol solubility of FAT 40840/A TE was determined to be 3.577 μg/mL at room temperature..
The partition coefficient log POW of FAT 40840/A TE was calculated from the individual solubilities in n-octanol and in water to be: log Pow = - 4.32
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