无色立方晶体。无臭，味咸而微苦。 溶于水（100℃时溶解度为102g/100ml）和甘油，微溶于乙醇和乙醚。
熔点  734 °C(lit.) 
沸点  58.8 °C(lit.) 
密度  3.119 g/mL at 25 °C(lit.) 
蒸气密度 7.14 (vs air) 
蒸气压 175 mm Hg ( 20 °C) 
折射率  1.559 
闪点  1435°C 
  	

 
GBT649-77
项目ltem                                          　分析纯        化学纯
含量(KBr)Assay,%                               ≥99.0          98.0
水溶液反应Water solution reaction       合格          合格
澄清度试验Clarity                                  合格          合格
水不溶物lnsoluble matter in water,%   ≤0.005         0.01
氯化物(Cl)Chloride,%                      ≤0.2           0.5
溴酸盐(BrO3)Bromate,%                 ≤0.001         0.003
碘化物(I)lodide,%                           ≤0.005         0.01
硫酸盐(SO4)Sulfate,%                    ≤0.002         0.005
氮化合物(N)Nitrogen compounds,%       ≤0.001         0.002
钠(Na)Sodium,%                            ≤0.02          0.05
镁(Mg)Magnesium,%                     ≤0.0005        0.002
钙(Ca)Calcium,%                           ≤0.002         0.005
钡(Ba)Barium,%                             ≤0.002         0.005
铁(Fe)lron,%                                   ≤0.0002        0.0005
重金属(以Pb计)Heavy metals,%          ≤0.0002        0.0005


项目名称　                                           ACS Grade
含量(KBr)Assay                                       ≥99.0%
pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃        5.0-8.8
水不溶物Insoluble matter                             ≤0.005%
溴酸盐(BrO3)Bromate                                  ≤0.001%
碘酸盐(IO3)Iodate                                    ≤0.001%
氯化物(Cl)Chloride(Cl)                               ≤0.2%
碘化物(I)Iodide                                      ≤0.001%
硫酸盐(SO4)Sulfate                                   ≤0.005%
钡(Ba)Barium                                         ≤0.002%
重金属(以Pb计)Heavy metals                           ≤5ppm
铁(Fe)Iron                                           ≤5ppm
钙(Ca)Calcium                                        ≤0.002%
镁(Mg)Magnesium                                      ≤0.001%
钠(Na)Sodium                                         ≤0.02%


品级Grade                              光谱纯SP   
                                     (optical grade, ≥99.9%) 
外观Appearance                         白色粉末或结晶
纯度Purity                             ≥99.9% Based On Trace Metals Analysis(ICP and AA Combined) 
ICP: Confirms Potassium Component 
溴Br                                   66.5 - 67.8 % (Titration by AgNO3 )
痕量金属分析Trace Metal Analysis       ≤1000.0 ppm by ICP Atomic emission
(Ba，Ca,Mn,Pb )
痕量金属分析Trace Metal Analysis       ≤1000.0 ppm Atomic Absorption
(Na,Ru) 
红外光谱Infrared spectrometry          红外谱图为直线，在中红外区几乎没有吸收


99.997% metals basis：


外观Appearance                         白色粉末或结晶 
ICP:                                   Confirms Potassium Component 
纯度Purity                             99.997% Based On Trace Metals Analysis 
溴Br                                   66.1 - 68.1 % （Titration by AgNO3 )
痕量金属分析Trace Metal Analysis       ≤30.0 ppm by ICP 


99.99% metals basis：


外观Appearance                         白色粉末或结晶 
ICP:                                   Confirms Potassium Component 
纯度Purity                             99.99% Based On Trace Metals Analysis 
溴Br                                   66.1 - 68.1 % （Titration by AgNO3 )
痕量金属分析Trace Metal Analysis       ≤200.0 ppm by ICP and AA 
(Na、Rb、Cs、Zn、B、Al、Pb、Mn) 


99.95% metals basis，无水级，粉末：


外观Appearance                         白色粉末 
ICP:                                   Confirms Potassium Component 
纯度Purity                             99.95% Based On Trace Metals Analysis 
溴Br                                   66.1 - 68.1 % （Titration by AgNO3 )
痕量金属分析Trace Metal Analysis       ≤600.0 ppm by ICP and AA 
(Na、Rb、Cs、Zn、B、Al、Pb、Mn) 


品级Grade                              FT-IR级   
                                     (FT-IR grade, ≥99.5%) 
外观Appearance                         白色粉末或结晶 
红外光谱Infrared spectrum              Pass 
纯度Purity                             99.5% Based On Trace Metals Analysis
痕量金属分析Trace Metal Analysis       ≤10000 ppm by ICP and AA 
(Na、Rb、Ca、Al、Tl、Mn)  
红外光谱Infrared spectrometry          红外谱图为直线，在中红外区几乎没有吸收

	
		 		
			危险品标志                  Xi 
危险类别码                 36/37/38-36 
安全说明                     26-45-61-7/9-39-36 
危险品运输编号         UN 1744 8/PG 1
WGK Germany           2
RTECS                        TS7650000
F                                   3-10 
			

	
		感光材料工业用于制造感光胶片、显影药、底片加厚剂、调色剂和彩色照片漂白剂等。医药上用作神经镇静剂（三溴片）。此外还用于化学分析试剂，分光和红处线的传递，制特种肥皂，以及雕刻、石印等方面。	
	
		点滴分析测定铜及银。极谱分析铟、镉和砷。显影剂。农药分析。	
 应贮存在通风、干燥的库房中。包装应完整，注意防潮避光。运输时要防雨淋和日晒。装卸时要轻拿轻放，防止包装破损。 失火时，可用砂土和各种灭火器扑救。