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沒(méi)食子酸甲酯 99-24-1

 
 
單價(jià) 面議對(duì)比
詢價(jià) 暫無(wú)
發(fā)貨 湖北宜昌市付款后3天內(nèi)
庫(kù)存 999999公斤起訂1公斤
過(guò)期 長(zhǎng)期有效
更新 2020-12-05 14:34
 

五峰赤誠(chéng)生物科技股份有限公司

企業(yè)會(huì)員第6年
資料未認(rèn)證
保證金未繳納
  • 湖北-宜昌市
  • 上次登錄 2020-12-04
  • 胡安迪 (先生)   經(jīng)理
詳細(xì)說(shuō)明

項(xiàng)目 指標(biāo)

外觀 乳白色粉末

含量(%) 98.0~102.0%

沒(méi)食子酸(%) ≤0.5%

水分(%) ≤0.5%

熔點(diǎn)(℃) 199~203℃

灼燒殘?jiān)?%) ≤0.1%

*(Pb ppm) <10ppm

砷(ppm) ≤3ppm

鋅(ppm) ≤25ppm

有機(jī)氯化物(ppm) ≤100ppm

溶劑殘余(ppm) ≤1ppm

***鹽灰分(%) ≤0.1%


異名:沒(méi)食子酸甲酯

形狀:本品為白色粉末,溶于熱水,乙醇,*。

用途/使用方法:用作聯(lián)苯雙酚和其他藥物的中間體,也用作橡膠防老劑。

貯藏:防潮避光,密封貯存。

包裝:25公斤/每袋/每桶

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