少妇被猛男粗大的猛进出,亚洲 欧美 动漫 少妇 自拍,日韩免费视频,青春草在线视频免费观看

訂購電話:4001650900

TMPD

Cas:
637-01-4
Molecular Structure:
MDL:
MFCD00012482
Molecular Formula:
C10H16N2·2HCl; C6H4[N(CH3)2]2·2HCl
Molecular Weight:
237.17
Alias:
N,N,N',N'-四甲基-1,4-苯二胺二鹽酸鹽 N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride Wurster’s reagent N,N,N',N'-Tetramethyl-p-phenylene-diamine dihydrochloride NNN'N'-Tetramethyl-p-phenylene-diamine dihydrochloride N,N,N',N'-Tetramethyl-1,4-phenylenediamine Dihydrochloride TMPDN,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride
Product order:
Name Specifications Packing Price Delivery
TMPD 98% 5g RMB 424.6 促銷
TMPD 98% 25g RMB 1751.2 Consulting service
Character:
熔點: 220-224 °C 
Quality Standard:
外觀Appearance                          淺灰色至米色結(jié)晶粉末
紅外光譜鑒別Infrared spectrometry       符合
熔點Melting point                       220°C - 224°C
純度Purity                              ≥98.0-102.0% (中和滴定)
水溶解試驗solubility in water           合格
Storage:
產(chǎn)品在儲存過程中顏色會變暗
微生物測試試劑,用于需氧微生物細(xì)胞色素氧化酶陽性反應(yīng)的分類。通常用1%的N,N,N',N'-四甲基-1,4-苯二胺二鹽酸鹽水溶液。
Related Products
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號:滬ICP備19037119號-1     
網(wǎng)站地圖:
試劑CAS試劑分類試劑產(chǎn)品實驗儀器耗材分類實驗儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號