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EC number: 943-552-6 | CAS number: 91844-92-7
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 25/09/2012
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Non-GLP study according to international guideline (OECD guideline 103).
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Deviations:
- no
- Principles of method if other than guideline:
- Not relevant
- GLP compliance:
- no
- Type of method:
- distillation method
Test material
- Reference substance name:
- Lemongrass flexuosus
- IUPAC Name:
- Lemongrass flexuosus
- Reference substance name:
- Cymbopogon flexuosus, ext.
- EC Number:
- 295-161-9
- EC Name:
- Cymbopogon flexuosus, ext.
- IUPAC Name:
- 295-161-9
- Reference substance name:
- Cymbopogon flexuosus, ext.
- IUPAC Name:
- Cymbopogon flexuosus, ext.
- Reference substance name:
- 91844-92-7
- IUPAC Name:
- 91844-92-7
- Test material form:
- other: liquid
- Details on test material:
- - Name of test material (as cited in study report): Lemongrass flexuosus
- Physical state: liquid
Constituent 1
Constituent 2
Constituent 3
Constituent 4
Results and discussion
Boiling point
- Boiling pt.:
- 94 °C
- Atm. press.:
- 1 013 hPa
- Remarks on result:
- other: Standard deviation: +/- 10ºC
Any other information on results incl. tables
Time (Mins) |
Bottom Temperature ('C) |
Head Temperature ('C) |
Amount of Distillate (g) |
Amount of Distillate (%) |
Comments |
0 |
20 |
23.0 |
0.00 |
0.00 |
|
4 |
40 |
23.0 |
0.00 |
0.00 |
|
9 |
68 |
23.0 |
0.00 |
0.00 |
|
14 |
100 |
23.0 |
0.00 |
0.00 |
|
20 |
134 |
23.0 |
0.00 |
0.00 |
|
21 |
139 |
23.0 |
0.00 |
0.00 |
|
22 |
146 |
23.0 |
0.00 |
0.00 |
Start boiling |
23 |
151 |
23.0 |
0.00 |
0.00 |
|
24 |
156 |
23.0 |
0.00 |
0.00 |
|
25 |
160 |
23.0 |
0.00 |
0.00 |
|
26 |
165 |
23.0 |
0.00 |
0.00 |
|
27 |
169 |
23.0 |
0.00 |
0.00 |
|
28 |
173 |
23.0 |
0.00 |
0.00 |
|
29 |
176 |
23.0 |
0.00 |
0.00 |
|
30 |
180 |
23.0 |
0.00 |
0.00 |
|
31 |
183 |
23.0 |
0.00 |
0.00 |
|
32 |
185 |
23.0 |
0.00 |
0.00 |
|
33 |
187 |
23.0 |
0.00 |
0.00 |
|
34 |
187 |
23.0 |
0.00 |
0.00 |
|
35 |
195 |
23.0 |
0.00 |
0.00 |
|
36 |
200 |
93.0 |
0.00 |
0.00 |
|
37 |
205 |
93.0 |
0.00 |
0.00 |
|
38 |
221 |
94.0 |
0.00 |
0.00 |
|
39 |
225 |
94.0 |
0.27 |
0.15 |
First distillate |
40 |
227 |
110.0 |
0.63 |
0.35 |
|
41 |
230 |
195.0 |
9.01 |
5.05 |
|
42 |
231 |
200.0 |
31.51 |
17.64 |
|
43 |
231 |
200.0 |
35.26 |
19.74 |
|
44 |
232 |
205.0 |
37.28 |
20.88 |
|
45 |
234 |
206.0 |
45.33 |
25.38 |
|
46 |
234 |
206.0 |
48.68 |
27.25 |
|
47 |
235 |
207.0 |
52.85 |
29.59 |
|
48 |
235 |
211.0 |
59.54 |
33.33 |
|
49 |
236 |
211.0 |
63.77 |
35.71 |
|
50 |
237 |
215.0 |
74.46 |
41.69 |
|
51 |
237 |
216.0 |
84.51 |
47.32 |
|
52 |
238 |
217.0 |
92.32 |
51.69 |
|
53 |
239 |
218.0 |
98.20 |
54.99 |
|
54 |
240 |
219.0 |
105.51 |
59.07 |
End distillation |
Observations:
· The sample started to boil at a bottom temperature of 146°c
· First distillate was obtained at (head temperature) 94°c
· Head temperature reached a plateau around 220°c
· Bottom temperature continued to rise due to composition change.
Applicant's summary and conclusion
- Conclusions:
- The boiling point of Cymbopogon flexuosus is 94ºC at 1013 hPa.
- Executive summary:
The boiling point of Cymbopogon flexuosus was determined according to methodology comparable to OECD guideline 103 using the destillation method. The boiling point (first distillate) was found to be 94 +/- 10ºC at 1013 hPa.
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