甲酚红 [1733-12-6]
-
英文名:Cvesol red
- 别名:邻甲酚磺酰酞,邻甲磺酞
- CAS号:1733-12-6 分子式:C21H18O5S 分子量:382.42
P153608-500g 甲酚红 [1733-12-6] 93%+(HPLC) 500g 650.00 促销价:409.50
P153607-100g 甲酚红 [1733-12-6] 93%+(HPLC) 100g 241.00 促销价:151.83
P153606-500g 甲酚红 [1733-12-6] 97% 500g 691.00 促销价:435.33
P153605-25g 甲酚红 [1733-12-6] 97% 25g 263.00 促销价:165.69
P153606-5g 甲酚红 [1733-12-6] 97% 5g 108.00 促销价:68.04
P153606-500g 甲酚红 [1733-12-6] IND 500g 928.00 促销价:696.00
P153605-100g 甲酚红 [1733-12-6] IND 100g 257.00 促销价:192.75
P153604-25g 甲酚红 [1733-12-6] IND 25g 92.00 促销价:69.00
P153609-500ml 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 500ml 180.00 促销价:135.00
P153600-2.5L 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 2.5L 564.00 促销价:423.00
P153602-500g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 500g 821.00 促销价:615.75
P153601-100g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 100g 257.00 促销价:192.75
P153603-25g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 25g 121.00 促销价:90.75
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
P153605-25g | 甲酚红 [1733-12-6] | 93% (HPLC) | 25g | 91.00 | 57.33 | 登录可见 |
P153605-25g 甲酚红 [1733-12-6] 93% (HPLC) 25g 91.00 促销价:57.33
|
P153608-500g | 甲酚红 [1733-12-6] | 93%+(HPLC) | 500g | 650.00 | 409.50 | 登录可见 |
P153608-500g 甲酚红 [1733-12-6] 93%+(HPLC) 500g 650.00 促销价:409.50
|
P153607-100g | 甲酚红 [1733-12-6] | 93%+(HPLC) | 100g | 241.00 | 151.83 | 登录可见 |
P153607-100g 甲酚红 [1733-12-6] 93%+(HPLC) 100g 241.00 促销价:151.83
|
P153606-500g | 甲酚红 [1733-12-6] | 97% | 500g | 691.00 | 435.33 | 登录可见 |
P153606-500g 甲酚红 [1733-12-6] 97% 500g 691.00 促销价:435.33
|
P153605-25g | 甲酚红 [1733-12-6] | 97% | 25g | 263.00 | 165.69 | 登录可见 |
P153605-25g 甲酚红 [1733-12-6] 97% 25g 263.00 促销价:165.69
|
P153606-5g | 甲酚红 [1733-12-6] | 97% | 5g | 108.00 | 68.04 | 登录可见 |
P153606-5g 甲酚红 [1733-12-6] 97% 5g 108.00 促销价:68.04
|
P153606-500g | 甲酚红 [1733-12-6] | IND | 500g | 928.00 | 696.00 | 登录可见 |
P153606-500g 甲酚红 [1733-12-6] IND 500g 928.00 促销价:696.00
|
P153605-100g | 甲酚红 [1733-12-6] | IND | 100g | 257.00 | 192.75 | 登录可见 |
P153605-100g 甲酚红 [1733-12-6] IND 100g 257.00 促销价:192.75
|
P153604-25g | 甲酚红 [1733-12-6] | IND | 25g | 92.00 | 69.00 | 登录可见 |
P153604-25g 甲酚红 [1733-12-6] IND 25g 92.00 促销价:69.00
|
P153609-500ml | 甲酚红 [1733-12-6] | pH:7.2(YELLOW)--8.8(PURPLISH RED) | 500ml | 180.00 | 135.00 | 登录可见 |
P153609-500ml 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 500ml 180.00 促销价:135.00
|
P153600-2.5L | 甲酚红 [1733-12-6] | pH:7.2(YELLOW)--8.8(PURPLISH RED) | 2.5L | 564.00 | 423.00 | 登录可见 |
P153600-2.5L 甲酚红 [1733-12-6] pH:7.2(YELLOW)--8.8(PURPLISH RED) 2.5L 564.00 促销价:423.00
|
P153602-500g | 甲酚红 [1733-12-6] | powder, pH:7.2(yellow)--8.8(purplish red) | 500g | 821.00 | 615.75 | 登录可见 |
P153602-500g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 500g 821.00 促销价:615.75
|
P153601-100g | 甲酚红 [1733-12-6] | powder, pH:7.2(yellow)--8.8(purplish red) | 100g | 257.00 | 192.75 | 登录可见 |
P153601-100g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 100g 257.00 促销价:192.75
|
P153603-25g | 甲酚红 [1733-12-6] | powder, pH:7.2(yellow)--8.8(purplish red) | 25g | 121.00 | 90.75 | 登录可见 |
P153603-25g 甲酚红 [1733-12-6] powder, pH:7.2(yellow)--8.8(purplish red) 25g 121.00 促销价:90.75
|
化学性质
质量标准
GB/T 15348-94
项目Item 指示剂
(Ind)
pH变色域Visual transition interval 6.5(黄)~8.5(紫)
最大吸收波长Maximum absorption wave length
λ1 (pH6.5) 432~436
λ2 (pH8.5) 571~574
质量吸收系数mass absovptivity
α1 (λ1,pH6.5干样) 49~67
α2 (λ2,pH8.5干样) 100~132
乙醇溶解试验Solubility(in ethanol) 合格
干燥失重Drying loss,% ≤3.0
灼烧残渣(以硫酸盐计)Ignition residue,% ≤0.2
品级Grade 分析纯
(AR)
外观Appearance 绿色至暗红色或栗色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥85.0% (HPLC)
乙醇溶解试验Solubility in EtOH(50vol%) 合格
PH变色域Transition interval(pH) (黄)6.5 to 8.8(红)
吸光度Absorbance ≤0.630(5 mg/L, pH 9.2, 570.0 - 574.0 nm)
98%:
外观Appearance 绿色至暗红色或栗色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥98.0% (HPLC)
乙醇溶解试验Solubility in EtOH(50vol%) 合格
PH变色域Transition interval(pH) (黄)7.2 to 8.8(红)
吸光度Absorbance ≤0.630(5 mg/L, pH 9.2, 570.0 - 574.0 nm)
危险性质
用途及存储
酸碱指示剂。
密封干燥保存。