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SZSE：002741
Chemical Reagents
n-Butanol?COA Report
  • CAS No.： 71-36-3
  • Molecular weight：74.12
  • Molecular formula：C4H10O
  • UN Code：1120
  • EC No.：200-751-6
  • HS-No：29051300
Information
Specification category：
Product No. Product name specifications
1.17030.023 n-Butanol AR500ml
1.17030.033 n-Butanol CP500ml
1.17030.053 n-Butanol AR2.5L
1.17030.093 n-Butanol AR20kg
1.17030.103 n-Butanol CP20kg
1.17030.123 n-Butanol AR200L
Characteristic： Appearance and properties:Colorless transparent liquid with special smell.
Relative density(water=1): 0.81
Relative vapor density(air=1): 2.55
Melting point: -88.9
Boiling Point: 117.5
Concentration: Pure
Saturated vapor Pressure: 0.82 (25 ℃)
Solubility: soluble in water, soluble in alcohol, ether, most organic solvents.
Heat of combustion (kJ / mol): 2673.2
Critical temperature (℃): 287
Critical pressure (MPa): 4.90
Technical indicators：
Item AR CP
Assay ≥99.5% ≥98.0%
Chroma, Hazen ≤10 ≤15
Density(20℃),g/ml 0.808～0.811 0.808～0.811
Evaporation residue ≤0.001% ≤0.005%
Water (H2O) ≤0.2% --
Acidity(as H+),mmol/g ≤0.0005 ≤0.0015
Carbonyl compounds(as CO) ≤0.02% ≤0.04%
Ester(as CH3COOC4H9) ≤0.1% ≤0.3%
Unsaturated compounds(as Br) ≤0.005% ≤0.05%
Iron(Fe) ≤0.00005% ≤0.0001%
Readily carbonizable substances Qualified Qualified
Hazard characteristics：

IATA-DGR UN 1120 BUTANOLS,3,Ⅲ

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