High purity Ascorbic acid with high quality and best price cas:50-81-7 CAS NO.50-81-7
Keywords
high quality 50-81-7low price 50-81-7high purity 50-81-7
Quick Details
ProName: High purity Ascorbic acid with high qu...CasNo: 50-81-7Molecular Formula: C6H8O6Appearance: White or almost white crystalline powd...Application: intermediate for organic synthesisDeliveryTime: PromptPackAge: 25kg net/paper drumPort: Shanghai or Hangzhou as your requestProductionCapacity: 99999 Kilogram/YearPurity: 99%minStorage: Rom tep.Transportation: By courier, air or sea.LimitNum: 1 KilogramGrade: Other
Superiority
items
standard
result
appearance
white or almost white crystalline powder or colourless crystals
pass
identification
positive reaction
pass
specific rotation
+20.5°～+21.5°
+21.1°
ph
2.1～2.6
2.4
residue on ignition
≤0.1%
0.05%
assay
99.0%～100.5%
99.6%
heavy metals
≤10ppm
＜10ppm
clarity of solution
clear
pass
color of solution
≤by7
＜by7
impurity e
≤0.2%
＜0.2%
copper
≤5 ppm
＜5ppm
iron
≤2 ppm
＜2ppm
conclusion：this product conforms to usp34 standards.
high quality 50-81-7low price 50-81-7high purity 50-81-7
Quick Details
ProName: High purity Ascorbic acid with high qu...CasNo: 50-81-7Molecular Formula: C6H8O6Appearance: White or almost white crystalline powd...Application: intermediate for organic synthesisDeliveryTime: PromptPackAge: 25kg net/paper drumPort: Shanghai or Hangzhou as your requestProductionCapacity: 99999 Kilogram/YearPurity: 99%minStorage: Rom tep.Transportation: By courier, air or sea.LimitNum: 1 KilogramGrade: Other
Superiority
items
standard
result
appearance
white or almost white crystalline powder or colourless crystals
pass
identification
positive reaction
pass
specific rotation
+20.5°～+21.5°
+21.1°
ph
2.1～2.6
2.4
residue on ignition
≤0.1%
0.05%
assay
99.0%～100.5%
99.6%
heavy metals
≤10ppm
＜10ppm
clarity of solution
clear
pass
color of solution
≤by7
＜by7
impurity e
≤0.2%
＜0.2%
copper
≤5 ppm
＜5ppm
iron
≤2 ppm
＜2ppm
conclusion：this product conforms to usp34 standards.
L-Ascorbic acid
high quality 50-81-7
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