性状：无气味。在381℃时分解同时氧。溶于2.5份水和1.1份沸水，不溶于乙醇，水溶液呈中性。有氧化性。与有机物、硫化物及易氧化物摩擦能引起燃烧或爆炸。半数致死量(小鼠，腹腔)140mg/kg。有刺激性。

备注: 以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。

质量标准：

Q/(HG)SJ 446-91
项目Item                                              分析纯(AR)           化学纯(CP)
含量(NaBrO₃)Assay,%                                ≥99                   98.5
pH(50g/L溶液，25℃)pH of water solution     5.0-7.0              5.0-7.0
水不溶物Insiluble matter in water,%            ≤0.005                0.02
氯化物及氯酸盐(以Cl计)Chloride
and Chlorate,%                                        ≤0.05                  0.1
溴化物(Br)Bromaide,%                              ≤0.02                  0.04
硫酸盐(SO₄)Sulfate ,%                              ≤0.005                0.01
铁(Fe)Iron,%                                          ≤0.0005               0.001
重金属(以Pb计)Heavy metals,%                 ≤0.001                0.001

项目                                                优级纯(GR)
含量Assay                                        ≥99.5%
砷As                                               ≤0.0002%
铁Fe                                               ≤0.001%
氯化物及氯酸Chloride and Chlorate    ≤0.02%
溴化物Bromaide                               ≤0.01%
硫酸盐Sulfate                                 ≤0.01%
重金属Heavy metals                          ≤0.0001%
干燥失重drying loss                         ≤0.1%
PH                                                 6.5±1

99.999% metals basis:

外观Appearance                                   white crystals and/or chunks
X-射线衍射X-Ray Diffraction                 conforms to standard
纯度Purity                                          ≥99.999% Based on Trace Metals Impurities
含量titration with sodium thiosulfate       99.0% - 101.0%
总痕量金属杂质total metallic impurities   ≤20ppm by ICP Atomic emission

贮存：密封避光保存。

用途：主要用于制备无机化学产品、酚类测定的化学试剂。也常用作氧化剂，实验室溴素发生剂，化妆品冷烫发药剂。工业上用作羊毛整理剂，也用于贵重金属的提取和纯化。

联合国编号 1494

Risk： R36/37- R9-

Safety : S17 - S26- S37/39 –

Hazard : O - Xi -