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Sodium benzoate

Cas:
532-32-1
Molecular Structure:
MDL:
--MFCD00012463
Molecular Formula:
C7H5NaO2; C6H5COONa
Molecular Weight:
144.10
Alias:
安息香酸鈉,苯甲酸鈉鹽 Benzoic acid sodium salt
Product order:
Name Specifications Packing Price Delivery
Sodium benzoate 藥用級(jí) 500g RMB 93.5 Consulting service
Sodium benzoate 分析標(biāo)準(zhǔn)品 250mg RMB 528 Consulting service
Sodium benzoate ACS 500g RMB 93.5 Consulting service
Sodium benzoate AR 500g RMB 63.8 Consulting service
Character:
白色顆?;蚪Y(jié)晶性粉末。易燃,低毒。無(wú)臭,味微甜而有甜澀味。有能溶于水,稍溶于醇,1g溶于1.8ml水、1.4ml沸水、約75ml乙醇、50ml混合液(47.5ml乙醇和3.7ml水)。水溶液對(duì)石蕊呈微堿性,pH約為8。半數(shù)致死量(大鼠,經(jīng)口)4.07mg/kg。
熔點(diǎn):300℃
Quality Standard:
   
   Q/(HG)SJ 026-91
項(xiàng)目Item                                 分析純    化學(xué)純
                                          (AR)     (CP)
含量(C6H5COONa)Assay,%                   ≥99.5    99.0
干燥失重Dring loss,%                     ≤0.3      0.5
游離酸(以CH5COOH)Free acid,%             ≤0.1      0.25
游離堿(以Na2CO3) Free alkali             ≤0.1      0.1
硫酸鹽(SO4)Sulfate ,%                    ≤0.01     0.01
氯化物(Cl)Chloride,%                     ≤0.01     0.02
砷(As)Arsenic,%                          ≤0.0002   0.0004
重金屬(以Pb計(jì))Heavy metals,%             ≤0.001    0.004


品級(jí)Grade                                藥用級(jí)                              
                                    (符合Ph. Eur., BP,USP, FCC, E211 )
含量assay                                99.0-100.5% (calc. to the dried substance)
總雜質(zhì)total impurities
酸度或堿度acidity or alkalinity,         complies
可氧化雜質(zhì)oxidizable impurities,         complies
多聚核酸polynuclear acid,                complies
溶劑殘?jiān)黵esidual solvents,               complies
重金屬heavy metals (as Pb)               ≤0.001%  
含鹵化合物halogenated compounds (as Cl)  ≤0.03%  
干燥損失loss on drying                   ≤1% , 105 °C
氯chloride (Cl-):                        ≤100 ppm
硫酸鹽sulfate (SO42-):                   ≤100 ppm
砷As:                                    ≤2  ppm
銅Cu:                                    ≤10  ppm
汞Hg:                                    ≤1  ppm
鉛Pb:                                    ≤2  ppm
鋅Zn:                                    ≤10  ppm
溶解性試驗(yàn)suitability for appearance of solution complies

Storage:
密封保存。
用途  用作血清膽紅素試驗(yàn)的助溶劑、食品添加劑(防腐劑)、醫(yī)藥工業(yè)的殺菌劑、染料工業(yè)的媒染劑、塑料工業(yè)的增塑劑,也用作香料等有機(jī)合成的中間體。
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