Gallic acid monohydrate
Molecular Structure:
MDL:
MFCD00002510
Molecular Formula:
C7H6O5.xH2O;(HO)3C6H2COOH.xH2O
Molecular Weight:
170.12
Alias:
3,4,5-三羟基苯甲酸,五倍子酸,倍酸,棓酸
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Gallic acid monohydrate |
分析标准品,>99%(HPLC) |
250mg |
RMB 308 |
Consulting service |
Gallic acid monohydrate |
分析标准品,≥98% |
10mg |
RMB 173.8 |
Consulting service |
Gallic acid monohydrate |
AR |
500g |
RMB 206.8 |
Consulting service |
Character:
白色或灰白色结晶性粉末。无气味,微有酸味,遇光变成棕褐色。热至100-120℃失去结晶水。有收敛性。能溶于热水、醇甘油和丙酮,微溶于醚,不溶于苯、氯仿和石油醚。1g溶于87ml水、3ml沸水、6ml乙醇、100ml乙醚、10ml甘油、5ml丙酮。半数致死量(兔,经口)5g/kg。有刺激性。
Quality Standard:
项目 分析纯
(AR)
干燥失重Drying loss ≤10.0%
含量Assay(以干品计) ≥98.5%(中和滴定)
硫酸盐Sulfate ≤0.01%
乙醇溶解试验Solubility in alcohol 合格
灼烧残渣Ignition residue ≤0.05%
Storage:
密封避光保存。贮于密闭的容器内。
用途 试验游离矿酸、二羟基丙酮和生物碱等,电化分析中的去极剂,还原磷钼酸,检定锑、钡、铋、钙、铈和铜等。测定磷、亚硝酸盐、银、钍和钛等。
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