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(gòu)電話:4001650900

3,5-Dinitrobenzoic acid

Cas:
99-34-3
Molecular Structure:
MDL:
MFCD00007253
Molecular Formula:
C7H4N2O6
Molecular Weight:
212.12
Alias:
3,5-二硝基安息香酸
Product order:
Name Specifications Packing Price Delivery
3,5-Dinitrobenzoic acid CP 25g RMB 27.5 Consulting service
3,5-Dinitrobenzoic acid CP 100g RMB 55 Consulting service
3,5-Dinitrobenzoic acid AR 25g RMB 55 Consulting service
3,5-Dinitrobenzoic acid AR 100g RMB 121 Consulting service
3,5-Dinitrobenzoic acid AR 500g RMB 517 Consulting service
3,5-Dinitrobenzoic acid CP 500g RMB 286 Consulting service
Character:
白至淡黃色單斜棱柱形結(jié)晶。能升華。能隨水蒸氣揮發(fā)。易溶于醇和冰乙酸,1g溶于53份沸水,微溶于冷水、乙醚、二硫化碳和苯。有刺激性。
熔點(diǎn):205-207℃
沸點(diǎn):300-303℃
密度:1.683 
Quality Standard:
項(xiàng)目Item                      化學(xué)純
                                         (CP)
含量(C7H4N2O6)Assay,%              98.0~100.5
灼燒殘?jiān)?以硫酸鹽計(jì))Ignition residue,%  ≤ 0.1
熔點(diǎn)范圍Melting point,℃                204~207
乙醇溶解試驗(yàn)Solubility in ethanol       合格
干燥失重                                ≤0.5%


項(xiàng)目                                    分析純    
                                         (AR)
外觀Appearance                          白色至淺黃色結(jié)晶或結(jié)晶粉末
紅外光譜鑒別Infrared spectrometry       和對(duì)照品匹配
熔點(diǎn)Melting point                       205°C - 209°C
純度Purity                              ≥99.0% (HPLC)
水分Water                               <0.4 %

Storage:
密封保存。
Related Products
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號(hào):滬ICP備19037119號(hào)-1     
網(wǎng)站地圖:
試劑CAS試劑分類試劑產(chǎn)品實(shí)驗(yàn)儀器耗材分類實(shí)驗(yàn)儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號(hào)