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DBE Dibasic Esters |
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| North American Technical Datasheet |
|
| Specification |
DBE
 |
DBE-2
|
DBE-3
|
DBE-4
|
DBE-5
|
DBE-6
|
DBE-9
|
DBE-IB
|
| Ester content, wt.%, min. |
99.0 |
99.0 |
99.0 |
98,5 |
99.0 |
99.0 |
99.0 |
98.5 |
| Water content, wt.%, max. |
0.10 |
0.10 |
0.20 |
0.04 |
0.10 |
0.05 |
0.10 |
0.1 |
| Acid number, mg KOH/g, max. |
0.30 |
1.00 |
1.00 |
0.50 |
0.50 |
1.00 |
0.50 |
1.00 |
| Dimethyl adipate,wt% |
10-25 |
20-28 |
85-95 |
0,1 max. |
0,2 max. |
98,5 min |
0,3 max. |
10-20f |
| Dimethyl glutarate,wt% |
55-65 |
72-78 |
5-15 |
0,4 max. |
98,0 min. |
1.0 max. |
65-69 |
55-70f |
| Dimethyl succinate,wt% |
15-25 |
1,0 max. |
1,0 max. |
98,0 min. |
1.0 max. |
0,15 max. |
31-35 |
20-30f |
| Color, APHA, max. |
15 max. |
15 max. |
15 max. |
15 max. |
15 max. |
15 max. |
15 max. |
15 max. |
| Turbidity, max. |
5 max. |
5 max. |
5 max. |
5 max. |
5 max. |
5 max. |
5 max. |
5 max. |
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| Typical Composition |
DBE
|
DBE-2
|
DBE-3
|
DBE-4
|
DBE-5
|
DBE-6
|
DBE-9
|
DBE-IB
|
| Ester content, wt.%, min. |
99.5 |
99.5 |
99.5 |
98,5 |
99.5 |
99.0 |
99.0 |
99.5 |
| Dimethyl adipate,wt% |
21 |
24 |
89 |
- |
0,1 |
99 |
0,2 |
21f |
| Dimethyl glutarate,wt% |
59 |
75 |
10 |
0,3 |
99 |
<0,5 |
66 |
59f |
| Dimethyl succinate,wt% |
20 |
0.3 |
0.2 |
98 |
0.4 |
<0.1 |
33 |
20f |
| Methanol, wt % |
0.20 |
<0.1 |
<0.1 |
<0.1 |
<0.1 |
<0.1 |
<0.1 |
N/A |
| Isobutanol, wt % |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
0.2 |
| Water, wt% |
0.05 |
0.02 |
0.04 |
0.02 |
0.03 |
0.03 |
0.04 |
0.05 |
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Physical Properties
(typical values) |
DBE
|
DBE-2
|
DBE-3
|
DBE-4
|
DBE-5
|
DBE-6
|
DBE-9
|
DBE-IB
|
| Molecular Weight |
159a |
163a |
173a |
146 |
160 |
174 |
156a |
242 |
| Specific gravity at 20/20c |
1.092c |
1.081c |
1.068c |
1.121 |
1.091 |
1.064 |
1.099c |
0.958-0.960 |
| Density at 20°C (lb/gal) |
9.09c |
9.00c |
8.89c |
9,33 |
9,08 |
8,86 |
9.18c |
7.97c |
| Destillation Range,°C |
196-225 |
210-225 |
215-225 |
196 |
210-215 |
227-230 |
196-215 |
275-295 |
| Vapor Pressure at 20°C (mm Hg) |
0.20c |
0.04c |
0.02c |
0.13 |
0.05 |
0.01 |
0.07c |
<0,01c |
| Solubility in water, wt% at 20°C |
5.3 |
4.2 |
2.5 |
7.5 |
4.3 |
2.1 |
ca.5 |
<0,1 |
| Water Solubility in DBE, wt% at20°C |
3.1 |
2.9 |
2.5 |
3.8 |
3.2 |
2.4 |
ca. 3.5 |
0.6 |
| Freezing Point, ° C |
-20c |
-13c |
8c |
19 |
-37 |
10 |
-10c |
-55 |
| Flashpoint, Tag closed cup °C |
100 |
104 |
102 |
94 |
107 |
113 |
94 |
133 |
| Auto ignition temp., °C |
370 |
375 |
360 |
365 |
365 |
360 |
365 |
>370 |
| Latent heat of vaporization, cal/g |
81 |
80 |
79 |
85 |
81 |
79 |
82 |
N/A |
| Viscosity at 25°C, cst |
2.4 |
2.5 |
2.5 |
2.5 |
2.5 |
2.5 |
2.4 |
5.1 |
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| Solvent Properties |
DBE
|
DBE-2
|
DBE-3
|
DBE-4
|
DBE-5
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DBE-6
|
DBE-9
|
DBE-IB
|
| non-polard |
8.3 |
8.3 |
8.3 |
8.3 |
8.3 |
8.3 |
8.3 |
7.9 |
| polard |
2.3 |
2.2 |
2.1 |
2.5 |
2.3 |
2.1 |
2.3 |
1.3 |
| hydrogen bondingd |
4.8 |
4.7 |
4.5 |
5.0 |
4.8 |
4.5 |
4.8 |
3.6 |
Surface tension
at 20°C,dynes/cm |
35.6 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
27.2 |
Electrical Resistancee
at 24°C, Meg Ohms |
0,5 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
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a Average for mixture
b Äsp. Gr./ÄT = -0.0007 per °C over the range 20-50°C
c Approximate, based on composition
d Hansen Solubility Theory
e Ransberg Paint Resistance Tester Model 219CB
f Di-Isobutylester |
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