EXCLUSIVE OFFER: if you buy a case and for some reason it doesn't work out, we'll take ALL the bottles back, and pay for return shipping!
DOES NOT SHIP TO RESIDENTIAL ADDRESSES.
FREE Ground shipping (cannot ship via rush-shipping), no hazmat fees, EVER!
Features:
- ISO-certified
- No LC-MS TIC signals higher than 100ppb Reserpine
- No LC-MS TIC signals higher than
50PPB RESERPINE (ESI + mode)
50PPB 4-Nitrophenol (ESI – mode) - Very low metal concentration (<100ppb)
- Low Particles
- Packaged in glass bottles with Actual Lot Analysis printed on each label!
Trust Birch Biotech LC-MS Grade Methanol for unmatched purity, consistency, and performance—optimized for researchers who demand the highest analytical accuracy in their workflows!
Product Specifications:
| PRISTINE® Methanol, LC-MS Grade | |
| Product Name | Methanol |
| Product Number | 1935-5 |
| Formula | CH3OH |
| Molecular Weight | 32.04 |
| Grade | LC-MS |
| CAS Number | 67-56-1 |
| Beilstein/REAXYS Number | 1098229 |
| EC Number | 200-659-6 |
| MDL number | MFCD00004595 |
| UNSPSC Code | 12191502 |
| Exp. Date after Mfg. Date | 3 years |
| Test Method | ACS 11th Edition |
| Specifications | |
| Meets ACS Specification | Yes |
| Appearance (color) | Colorless |
| Form | Liquid |
| Purity (GC area %) | Min 99.9% |
| Assay (by GC) | Min 99.9 % |
| Color (APHA) | Max 10 - |
| Water | Max 0.03 % |
| Residue after evaporation | Max 1 ppm |
| Ultraviolet Spectrophotometry | |
| UV Absorbance 220 nm | Max 0.25 |
| UV Absorbance 230 nm | Max 0.15 |
| UV Absorbance 233 nm | Max 0.02 |
| UV Absorbance 235 nm | Max 0.01 |
| Gradient Elution Test | |
| Largest eluted peak (254nm) | Max 2 mAU |
| Fluroescence Trace Impurities | |
| at 450nm Emission | Max 0.3 ppb |
| at Emission Max for impurities | Max 0.5 ppb |
| Properties | |
| vapor pressure | 128 hPa (20 °C) |
| vapor density | 1.11 (vs air) |
| boiling point |
|
| melting point | −98 °C (lit.) |
| density | 0.791 g/mL at 25 °C (lit.) |
| autoignition temp. | 725 °F |
| expl. lim. | 36 % |
| refractive index | n20/D 1.329 (lit.) |
