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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

Additional information

Apperance:

On the basis of physical observation the chemical 2-Methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)but-2-en-1-ol was found to be colourless liquid in appearance.

Melting Point:

The melting point of the test chemical was estimated using MPBPVP. The estimated melting point of 2-Methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)but-2-en-1-ol is 50.10°C

Boiling Point:

The boiling point determination of 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1- ol (CAS No. 28219-60-5) was done following OECD Guideline 103 and according to the method of Siwoloboff. The test was conducted in replicates and mean boiling point was found to be 262.8°C at 978.9 hPa.

Density:

The density of test item, 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol (CAS No. 28219-60-5) was determined following OECD Guideline 109 and according to the Indian standard method for determination of density of liquids [IS 4730:1994 (Reaffirmed 2010)]. The mean density of the test item was found to be 0.9151 g/cm3 at 20 deg C and 978.35 hPa.

Autoflammability:

2-methyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)but-2-en-1-ol did not catch fire on being exposed to air at room temperature of 27°Cpressure of 966 hPa. This indicates that 2-methyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)but-2-en-1-ol is not auto-flammable.

Flammability:

2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol does not indicate any ignition when the flame of bunsen burner having temperature of approximately 950°C is brought in contact with it. Thus it can be concluded that 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol was considered non-flammable for chemical safety assessment.

Particle Size Distribution:

This end point was considered for waiver since it is not technically feasible to determine the particle size distribution for a liquid chemical. 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol is a liquid chemical and hence its particle size distribution was not determined experimentally.

Vapor Pressure:

The vapor pressure of the test chemical was estimated using MPBPVP. The estimated vapour pressure of 2-Methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)but-2-en-1-ol  was 0.00317Pa at 25°C

Partition Coefficient:

The logPow of 2-Methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)but-2-en-1-ol was 4.65.

Based on this value,2-Methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)but-2-en-1 -ol can be considered to be hydrophobic in nature.

Water Solubility:

WSKOW v1.42 of EPISUITE was used to estimate the water solubility of the test chemical. The estimated water solubility of 2-Methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)but-2-en-1-ol was 16.29 mg/L. Based on the results, it can be concluded that 2-Methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)but-2-en-1-ol is slightly soluble in water.

Surface Tension:

In accordance with column 2 of Annex VII of the REACH regulation, the study need only be conducted if surface activity is a desired property of the chemical. The 2-Buten-1-ol, 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)- (CAS No.28219-60-5) is used as a fragrance agents. For this use, surface activity is not an important property. Hence this study was considered for waiver.

Flash point:

The flash point determination of 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol (CAS No. 28219-60-5) was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was found to be 99.3°C at 979.1hPa.

pH:

The pH determination of test item 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol (CAS No 28219-60-5) was done following OECD guideline 122. pH of 1% w/v emulsion was measured with the help of pH meter and it was observed to be 6.38 at 29 °C.

Viscosity:

Kinematic viscosity (experimental) of 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol ( CAS No.28219-60-5) at 20°C and 40°C is 185.99mm²/sec and 50.63mm²/s,respectively.

Dynamic viscosity (calculated) of 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol ( CAS No.28219-60-5) at 20°C and 40°C is 170.19mPa.S and 46.33mPa.S, respectively