hplc pesticide analysis grade chemical reagents
| post date: | oct 20,2021 |
| expiry date: | oct 20,2022 |
| detailed description: |
cas no. :67-56-1;170082-17-4 quantity: 1fcl specs:4l price:26 usd metric tons payment method: t/t,l/c pesticide analysis grade methanol cas.no: 67-56-1 molecular formula: ch3oh molecular weight: 32.04. density(20): 0.792g/ml. refractive index: 1.3288 test items specification 1 assay (gc) , ω / % ≥99.9 2 density(20℃) , ρ / (g/ml) 0.791~0.793 3 residue on evaporation,ω / % ≤0.0005 4 water (h2o),ω / % ≤0.05 5 solubility with h2o pass test 6 titrable acid(h+) / (mmol/g) ≤0.0004 7 titrable base(oh-) / (mmol/g) ≤0.00008 8 pesticide detection (gc): peak / (ng/l) ≤10 9 uv absorbance (1cm cell vs. water) 205 nm ≤1.00 210 nm ≤0.60 220 nm ≤0.30 230 nm ≤0.15 240 nm ≤0.05 260 nm ≤0.01 |
| cas registry number: |
67-56-1;170082-17-4 |
| synonyms: | ;carbinol;colonial spirit;columbian spirit;columbian spirits;methanol;methyl hydroxide;methylol;monohydroxymethane;pyroxylic spirit;wood alcohol;wood naphtha;wood spirit;methanol,refined;methyl alcohol,refined;methanol,anhydrous;methanol hydrate (1:1); |
| molecular formula: | ch4o |
| molecular weight: | 32.04 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r11:; r23/24/25:; r39/23/24/25:; |
| safety description: | s16:; s36/37:; s45:; s7:; |