4,4'-Dibromobiphenyl belongs to a group of compounds called polybrominated biphenyls (PBB), which are commonly used as fire retardants and plasticizers. 4,4'-Dibromobiphenyl is also a suspected allergen in cosmetic products such as fragrances.

CAS：92-86-4
中文别名：4,4\'-二溴联苯;4,4\'-二溴代联苯;4,4\'-二苯溴苯;4,4\'-二溴基联苯;4,4’-二溴联苯;
英文别名：1,1‘-Biphenyl, 4,4‘-dibromo-;1-bromo-4-(4-bromophenyl)benzene;
分子式：C12H8Br2
分子量：312.0
精确质量：309.899
Psa：0.0
Logp：4.8786

EINECS号：202-198-6
MDL号：MFCD00000101

外观与性状：白色粉末
密度：1.667 g/cm3
沸点：355-360°C(lit.)
熔点：163-165°C(lit.)
闪点：355-360°C
折射率：1.625
水溶解性：INSOLUBLE
稳定性：Stable at room temperature in closed containers under normal storage and handling conditions.
储存条件：Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

安全说明：S37/39-S26-S37-S36/37-S61-S60-S39
WGK Germany：1
危险类别码：R36/37/38
危险品运输编码：3152
海关编码：29036990
危险类别：9
包装等级：II
危险品标志：Xi

生产方法
由联苯经溴化而得:使联苯与溴蒸气接触8h,生成橙色固体,在通风橱中放置4h以上,得粗品。熔点约152℃。将其用苯重结晶,即得成品。产率75%~77%。 用作染料及有机颜料中间体
用途
用作染料及有机颜料中间体