Fatty acids, C16-18 (even numbered) and C18-unsatd., branched and linear, di- and triesters with trimethylolpropane

Vapour pressure

Link to relevant study record(s)

Reference

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Study period:

1997-07-22 - 1997-07-25

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

GLP compliance:

yes

Type of method:

static method

Temp.:

20 °C

Vapour pressure:

0.001 Pa

Remarks on result:

other: 6,3 (+/- 1,0) x 10-4 Pa at 20 °C

6,3 (+/- 1,0) x 10-4 Pa at 20 °C

Table of the vapour pressures calculated from the raw data:

Nr.	p/Pa	ln (p/Pa)	Nr.	p/Pa	ln (p/Pa)	Nr.	p/Pa	ln (p/Pa)
5	0.25	-1.39*	60	0.160	-1.83*	105	0.0848	-2.47
10	0.23	-1.47*	65	0.128	-2.06*	107	0.0816	-2.51
15	0.19	-1.66*	70	0.114	-2.17	108	0.0848	-2.47
20	0.189	-1.67*	75	0.122	-2.10*	110	0.0839	-2.48
25	0.173	-1.75*	80	0.108	-2.23	112	0.0823	-2.50
30	0.165	-1.80*	82	0.111	-2.20	114	0.0837	-2.48
35	0.160	-1.83	83	0.111	-2.20	115	0.0848	-2.47
37	0.161	-1.83	85	0.110	-2.21	117	0.0830	-2.47
40	0.159	-1.84	87	0.106	-2.24	118	0.0808	-2.49
41	0.159	-1.84	89	0.108	-2.23	120	0.0804	-2.52
42	0.159	-1.84	90	0.110	-2.21	121	0.0841	-2.48
43	0.159	-1.84	92	0.111	-2.20	122	0.0803	-2.52
44	0.158	-1.85	93	0.106	-2.24	123	0.0830	-2.49
45	0.160	-1.83	95	0.113	-2.18	124	0.0829	-2.49
46	0.156	-1.86	97	0.110	-2.21
47	0.160	-1.83	98	0.105	-2.25
48	0.158	-1.85	100	0.111	-2.20
49	0.156	-1.86	101	0.106	-2.24
50	0.157	-1.85
51	0.159	-1.84
52	0.157	-1.85
53	0.155	-1.86
54	0.158	-1.85

* = not used for calculation

Description of key information

0.00063 Pa at 20 °C

Additional information

The vapour pressure of the substance fatty acids, C16-18 (even numbered) and C18-unsatd., branched and linear, di- and triesters with trimethylolpropane (former CAS 85005 -23 -8) was determined according to OECD guideline 104 / EU method A.4 (static method).