Sigma-Aldrich 34885 Methanol suitable for HPLC, gradient grade, ≥99.9% 2.5 L
Kategori
Marka
Stok Kodu
LB.SA.34885-2.5L-R
Kısa Bilgi
Synonym(s): Methyl alcohol Linear Formula: CH3OH CAS Number: 67-56-1 Molecular Weight: 32.04 Beilstein: 1098229 EC Number: 200-659-6 MDL number: MFCD00004595 PubChem Substance ID: 329755085 NACRES: NA.05
939,87 TL + KDV
1.127,84 TL
| Sigma-Aldrich 34885 Methanol suitable for HPLC, gradient grade, ≥99.9% 2.5 L |
| Teknik Özellikler | |
| Catalog No |
: 34885 |
| Cas Number | : 67-56-1 |
| Linear Formula |
: CH3OH |
| Molecular Weight | : 32.04 |
| MDL Number | : MFCD00004595 |
| Vapor density |
: 1.11 (vs air) |
| Vapor pressure |
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)
|
| Grade |
: for HPLC, gradient grade |
| Assay |
: ≥ 99.9 % |
|
Autoignition temp.
|
: 725 °F
|
| Expl. lim. |
: 36 % |
| İmpurities |
KMnO4 red. matter (as O), in accordance
≤0.0005% free alkali (as NH3)
≤0.0005% non-volatile matter
≤0.001% acetaldehyde
≤0.001% acetone (GC)
≤0.001% formaldehyde
≤0.02% water (Karl Fischer)
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365nm
|
| Evapn. residue |
: < 0.0003 % |
| Color |
: APHA: ≤10 |
| Refractive index |
: n20/D 1.329(lit.) |
| bp |
: 64.7 °C (lit.) |
| mp |
: -98 °C (lit.) |
| Density |
: 0.791-0.793 g/mL at 20 °C
|
|
Absorption
|
HPLC-gradient/230 nm ≤2 mAU
HPLC-gradient/254 nm ≤5 mAU
absorption/ in accordance
|
| UV absorption |
λ: 210 nm Amax: 0.50
λ: 220 nm Amax: 0.30
λ: 230 nm Amax: 0.15
λ: 235 nm Amax: 0.10
λ: 240 nm Amax: 0.05
λ: 260 nm Amax: 0.01
λ: 400 nm Amax: 0.01
|
