Registration Dossier
Registration Dossier
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EC number: 287-090-7 | CAS number: 85409-23-0
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From November 2001 to January 2002
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 1883, Method B
- Deviations:
- not specified
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Specific details on test material used for the study:
- Lot no: MRT-2518-038
Identity: C12-14 ADEBAC
Purity: 68 % C12-alkyl compound, 32 % C14-alkyl compound
Appearance: White solid
Storage: Room temperature, desiccated - Key result
- Type:
- relative density
- Density:
- ca. 0.82 other: dimensionless
- Temp.:
- 20 °C
- Conclusions:
- Under study conditions, the relative density of the test substance was determined to be 0.82 at 20ºC.
- Executive summary:
A study was conducted to determine the relative density of the test substance, C12 -14 ADEBAC, using a pycnometer method, according to OECD Guideline 109, EU Method A.3 and procedure described in ISO 1183, method B, in compliance with GLP. Two tests were performed concurrently using separate pyknometers at 20ºC. Under study conditions, the relative density of the test substance was determined to be 0.82 at 20ºC (Sydney 2002).
Reference
Results:
Parameter |
Determination 1 |
Determination 2 |
w1 |
19.10924 |
18.99953 |
w2 |
43.45495 |
44.69703 |
w3 |
38.61990 |
39.59177 |
w4 |
20.09683 |
20.00359 |
w5 |
38.64310 |
39.61538 |
w1 |
24.34571 |
25.69750 |
w2 |
19.51066 |
20.59224 |
w3 |
0.98759 |
1.00406 |
w4 |
18.54627 |
19.61179 |
w5 |
0.96439 |
0.98045 |
The density of the immersion liquid at the temperature of determination (g/mL) |
0.79980 |
0.79973 |
Mean density of the immersion liquid |
0.79976 |
|
Volume of test substance (mL) |
1.20584 |
1.22592 |
The relative density of the test substance at the test temperature compared to water at 4ºC |
0.82 |
0.82 |
Mean relative density |
0.82 |
|
The method was estimated to be accurate to 2 decimal places, as the mean determined density of displacement liquid was in close agreement with the manufacturer's specified value (0.80).
Description of key information
Relative density of the test substance was determined using a pycnometer method, according to OECD Guideline 109 and procedure described in ISO 1183, Method B (Sydney, 2002).
Key value for chemical safety assessment
- Relative density at 20C:
- 0.82
Additional information
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