Gallic acid monohydrate
Molecular Structure:
MDL:
MFCD00002510
Molecular Formula:
C7H6O5.xH2O;(HO)3C6H2COOH.xH2O
Molecular Weight:
170.12
Alias:
3,4,5-三羥基苯甲酸,五倍子酸,倍酸,棓酸
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Gallic acid monohydrate |
分析標準品,>99%(HPLC) |
250mg |
RMB 308 |
Consulting service |
Gallic acid monohydrate |
分析標準品,≥98% |
10mg |
RMB 173.8 |
Consulting service |
Gallic acid monohydrate |
AR |
500g |
RMB 206.8 |
Consulting service |
Character:
白色或灰白色結(jié)晶性粉末。無氣味,微有酸味,遇光變成棕褐色。熱至100-120℃失去結(jié)晶水。有收斂性。能溶于熱水、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。半數(shù)致死量(兔,經(jīng)口)5g/kg。有刺激性。
Quality Standard:
項目 分析純
(AR)
干燥失重Drying loss ≤10.0%
含量Assay(以干品計) ≥98.5%(中和滴定)
硫酸鹽Sulfate ≤0.01%
乙醇溶解試驗Solubility in alcohol 合格
灼燒殘渣Ignition residue ≤0.05%
Storage:
密封避光保存。貯于密閉的容器內(nèi)。
用途 試驗游離礦酸、二羥基丙酮和生物堿等,電化分析中的去極劑,還原磷鉬酸,檢定銻、鋇、鉍、鈣、鈰和銅等。測定磷、亞硝酸鹽、銀、釷和鈦等。
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