Sigma-Aldrich's offers a full range of high-purity solvents with extremely low water levels specifically manufactured for moisture sensitive Organic and BioTech applications.
The BioTech line of solvents is characterized by not only low water content, but also minimal residue and clean UV spectra.
| Anhydrous |
Biotech |
| Acetonitrile |
Purity
Water
100 mL
Residue |
27,100-4
99.8%
< 10 ppm
< 50 ppm
< 0.0005% |
|
49,444-5
≥99.93%
< 10 ppm
<0.0002% |
UV nm
190
210
220
235-400
<0.008 meq/g
<0.0006 meq/g |
Max Abs.
1.000
0.030
0.010
0.005
Titr. Acid
Titr. Base |
| Buytl acetate |
Purity
Water
Residue |
28,772-5
≥99%
< 50 ppm
< 0.0005% |
|
49,616-2
99.7%
< 10 ppm
<0.0005% |
UV nm
<0.0016 meq/g |
Max Abs.
Titr. Acid |
| Carbon tetrachloride |
Purity
Water
100 mL
Residue |
28,911-6
≥99.5%
< 20 ppm
<50 ppm
< 0.0003% |
|
|
|
|
| 1-Chlorobutane |
Purity
Water
100 mL
Residue |
41,425-5
99.5%
< 30 ppm
< 50 ppm
< 0.0005% |
|
49,617-0
≥99.5%
< 10 ppm
<0.0003% |
UV nm
<0.0016 meq/g |
Max Abs.
Titr. Acid |
Chloroform
0.5-1.0% ethanol as stabilizer |
Purity
Water
100 mL
Residue |
40,176-5
99.7%
< 10 ppm
< 50 ppm
< 0.0005% |
|
49,618-9
≥99.9%
< 10 ppm
<0.0003% |
|
|
Dichloromethane
50-150 ppm hydrocarbon as stabilizer |
Purity
Water
100 mL
Residue |
27,099-7
99.0%
< 10 ppm
< 50 ppm
< 0.0005% |
|
49,445-3
99.9%
< 20 ppm
<0.0003% |
UV nm
235
240
250
260
340-400 |
Max Abs.
1.000
0.200
0.050
0.020
0.010 |
| N,N-Diisopropylethylamine |
Purity
Water
Residue |
27,101-2
99.8%
< 50 ppm
< 0.0001% |
|
49,621-9
99.5%
< 20 ppm |
|
|
| N,N-Dimethylformamide |
Purity
Water
Residue |
22,705-6
99.8%
< 50 ppm
< 0.0005% |
|
49,448-8
≥99.9%
< 50 ppm
<0.0005% |
UV nm
275
295
310
340-400
<0.0005 meq/g
<0.0003 meq/g |
Max Abs.
0.30
0.10
0.05
0.07
Titr. Acid
Titr. Base |
| Dimethyl sulfoxide |
Purity
Water
Residue |
27,685-5
≥99.9%
< 50 ppm
< 0.0005% |
|
49,442-9
99.8%
< 50 ppm
<0.0005% |
UV nm
270
280
295
350-400 |
Max Abs.
1.00
0.30
0.10
0.01 |
| 1,4-Dioxane |
Purity
Water
100 mL
Residue |
29,630-9
99.8%
< 30 ppm
< 50 ppm
< 0.0003% |
|
|
|
|
Ether
1 ppm BHT as stabilzer |
Purity
Water
100 mL
Residue |
29,608-2
≥ 99.7%
< 30 ppm
< 50 ppm
< 0.0003% |
|
|
|
|
| Ethyl actate |
Purity
Water
Residue |
27,098-9
99.8%
< 50 ppm
< 0.0005% |
|
49,451-8
≥99.8%
< 10 ppm
<0.0003% |
UV nm
254
263
275-400
<0.0009 meq/g |
Max Abs.
1.00
0.05
0.01
Titr. Acid |
| Heptane |
Purity
Water
100 mL
Residue |
24,665-4
99%
< 10 ppm
< 50 ppm
< 0.0005% |
|
49,452-6
≥99%
< 50 ppm
<0.0002% |
UV nm
197
210
220
230
260-400 |
Max Abs.
1.00
0.40
0.15
0.05
0.01 |
| Methanol |
Purity
Water
100 mL
Residue |
32,241-5
99.8%
< 20 ppm
< 50 ppm
< 0.0003% |
|
49,443-7
99.93%
< 20 ppm
<0.0003% |
UV nm
203
220
230
240
260-400
<0.0003 meq/g
<0.0002 meq/g |
Max Abs.
1.00
0.60
0.15
0.05
0.01
Titr. Acid
Titr. Base |
| 3-Methyl-1-butanol |
Purity
Water
100 mL
Residue |
30,943-5
≥99%
< 30 ppm
< 50 ppm
< 0.0005% |
|
49,620-0
≥99%
< 50 ppm
<0.0005% |
UV nm
<0.002 meq/g
<0.1% |
Max Abs.
Titr. Acid
Carbonyl |
| 1-Methyl-2-pyrrolidinone |
Purity
Water |
32,863-4
99.5%
< 50 ppm |
|
49,449-6
≥99.5%
< 50 ppm |
UV nm
285
300
325
350-400
<0.01% meq/g |
Max Abs.
1.00
0.50
0.10
0.01
Free amines |
| 1-Propanol |
Purity
Water
Residue |
27,954-4
99.7%
< 50 ppm
< 0.0003% |
|
49,619-7
99.7%
<0.0003% |
UV nm
<0.0004 meq/g |
Max Abs.
Titr. Acid |
| Pyridine |
Purity
Water
100 mL
Residue |
27,097-0
99.8%
< 30 ppm
< 50 ppm
< 0.0005% |
|
49,441-0
≥99.9%
< 30 ppm
<0.0003% |
UV nm
<0.001%
<0.0005%
<0.002%
<0.0001% |
Max Abs.
Cl
Cu
NH3
SO4 |
Tetrahydrofuran
Inhibitor-free |
Purity
Water
100 mL
Residue |
401757
99.9%
< 20 ppm
< 50 ppm
< 0.0005% |
|
49,446-1
≥99.9%
< 50 ppm
<0.0005% |
UV nm
<0.005% |
Max Abs.
Peroxides |
Tetrahydrofuran
250 ppm BHT as stabilizer |
Purity
Water
100 mL |
186562
99.9%
< 20 ppm
< 50 ppm |
|
|
|
|
| Toluene |
Purity
Water
100 mL
Residue |
24,451-1
99.8%
< 10 ppm
< 50 ppm
<0.0005% |
|
|
|
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