性状  无色液体。微有戊醇气味。具折光性。能与乙醇及乙醚混溶。溶于约20份水。易燃，蒸气能与空气形成爆炸性混合物，爆炸极限(下限)1.68%(体积)。低毒，半数致死量（大鼠，经口）2.46g/kg，能中度刺激皮肤、黏膜。蒸气高浓度时有麻醉性。有微弱的戊醇气味。
熔点：-108℃
沸点：108℃
密度：0.803
闪点：28℃
折光率n20/D：1.396

质量标准  
Q/(HG)SJ 473-91
项目Item　　　　　　　　　　                     分析纯　　 　   化学纯
                                                 (AR)            (CP)
密度(20℃)Density,g/ml                       0.8016～0.8021  0.8010～0.8030
不挥发物Novolative,%                           ≤0.001          0.005   
沸程Boiling range,℃                          107.3～108.3   106.7～108.7
游离酸(以CH3COOH计)Free acids,%                ≤0.01           0.02
折光率Refractive index,nD20                  1.3955～1.3960   1.3955～1.3960
醛(以CH3CHO计)Aldehydes                        ≤0.01           0.05
酯(以CH3COOC4H9计)Esters,%                     ≤0.05           0.20
丙酮(CH3COCH3)Acetone,%                        ≤0.003          0.01     
不饱和化合物(以Br计)Unbsaturated compounds     ≤0.01           0.10
硫酸试验Substances darkened by sulfuric acid     合格           合格

品级Grade                               色谱纯 
                                     (for HPLC, 99.5%)
外观Appearance                         Colorless Liquid
红外光谱Infrared spectrum              Conforms to Structure
λ                                 H2O reference
纯度Purity(GC)                         ≥99.5% 
UV Absorbance 400nm                    ≤0.01
UV Absorbance 330nm                    ≤0.01
UV Absorbance 260nm                    ≤0.03
UV Absorbance 250nm                    ≤0.05
UV Absorbance 245nm                    ≤0.10
UV Absorbance 230nm                    ≤0.50
UV Absorbance 219nm                    ≤1.0
水分Water (by Karl Fischer)            ≤0.05 %
蒸发残渣Residue on Evaporation         ≤0.0005 %

ACS级
项目名称Item                                    ACS Grade
含量Assay                                      ≥99.0%
水溶解试验Clarity of aqueous solution           Passes test
色度Color(APHA)                                 ≤10
蒸发残渣Residue after evaporation               ≤0.001%
可滴定酸Titrable acid                           ≤0.0005meq/g
水分(H2O)Water                       ≤0.1%
羰基化合物Carbonly compounds(as acetone)       ≤0.01%(丁醛和丁酮)butyraldehyde and 0.02% z-butanone

品级Grade                               ACS光谱纯
                              （ACS spectrophotometric grade, ≥99.0%）
外观Appearance                         Colorless Liquid
红外光谱Infrared spectrum              Conforms to Structure
Color Test                             10 APHA
λ                                 H2O reference
纯度Purity(GC)                         ≥99.0% 
UV Absorbance 400nm                    ≤0.01
UV Absorbance 330nm                    ≤0.01
UV Absorbance 260nm                    ≤0.03
UV Absorbance 250nm                    ≤0.05
UV Absorbance 245nm                    ≤0.10
UV Absorbance 230nm                    ≤0.50
UV Absorbance 219nm                    ≤1.0
GC Identified Peak (Butyraldeh         0.01 %
Butyraldehyde
GC Identified Peak (2-Butanone         0.02 %
2-Butanone
贮存  密封保存。
用途  溶剂。萃取剂。从氯化锂与氯化钠或钾的混合物中提取氯化锂，分离溴化锶、溴化钡。钙、锶、钡、钠、钾、锂、银、氯和亚磷酸盐的测定。有机合成。
联合国编号  1212
Risk：  R10- R37/38- R41- R67-
Safety :  S13 - S26- S37/39 - S46- S7/9-