Concord Technology (Tianjin) Co.,Ltd
We are professional supplier of HPLC Methanol,HPLC Acetonitrile,Karl Fischer Reagents,HPLC Solvents.
Business Type:Manufacturer
Country/Region:China
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HPLC Gradient Grade Acetonitrile
CAS.No: 75-05-8
Molecular formula: CH3CN
Molecular weight: 41.05.
Density(20): 0.783g/ml.
Characters: mp:(-43±2); bp:81.6; Density(20):0.783g/cm3.
Quality indicators: main content:≥99.9%; moisture:≤0.03%.
TEST ITEMS | SPECIFICATION | ||
1 | Assay (GC) , ω / % | ≥99.9 | |
2 | Density (20℃) , ρ / (g/mL) | 0.782~0.785 | |
3 | Residue on evaporation，ω / % | ≤0.0005 | |
4 | Water (H2O)，ω / % | ≤0.02 | |
5 | Solubility with H2O | Pass test | |
6 | Titrable Acid(H+) / (mmol/g) | ≤0.0004 | |
7 | Titrable Base(OH-) / (mmol/g) | ≤0.0002 | |
8 | UV Absorbance (1cm cell vs. water) | 190 nm | ≤1.00 |
200 nm | ≤0.05 | ||
210 nm | ≤0.04 | ||
220 nm | ≤0.03 | ||
230 nm | ≤0.01 | ||
240 nm | ≤0.01 | ||
250 nm | ≤0.005 | ||
254 nm | ≤0.005 | ||
9 | Gradient Elution Test at 254nm(AU) | ≤0.002 | |
