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Hebei yanxi chemical co.,LTD.L(+)-Ascorbic acid/Antioxidant High quality Vitamin C 50-81-7//file1.lookchem.com/cas/reactions/2021/05/25/84272.png
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L(+)-Ascorbic acid/Antioxidant High quality Vitamin C 50-81-7 CAS NO.50-81-7

MSDS/COA Download

FOB Price:
USD 1.00-3.00 /Kilogram Get Latest Price
Min.Order Quantity:
1 Kilogram
Purity:
99%
Port:
Qingdao port
Payment Terms:
T/T,MoneyGram,Other

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Product Details

Keywords

  • L(+)-Ascorbic acid
  • 50-81-7
  • Antioxidant

Quick Details

  • ProName: L(+)-Ascorbic acid/Antioxidant High qu...
  • CasNo: 50-81-7
  • Molecular Formula: C6H8O6
  • Appearance: crystal, powder
  • Application: Pharmaceutical intermediates
  • DeliveryTime: 1-2 days
  • PackAge: as your request
  • Port: Qingdao port
  • ProductionCapacity: 10 Kilogram/Day
  • Purity: 99%
  • Storage: stay in dry, cool and well-sealed
  • Transportation: EMS,HK EMS,FEDEX,DHL,TNT
  • LimitNum: 1 Kilogram
  • Moisture Content: 0.01%
  • Impurity: 0.001%
  • Loss On Drying: 0.2%
  • Melting Point: 177℃ ~ 181℃
  • Specific Rotation: +27°
  • Assay: 99.2%

Superiority

hebei yanxi chemical co., ltd who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and development production of reagent tens of thousands of species. our aim is quality strives for the survival. seek development by credit reputation. our products have big price advantage in europe south america and so on .and our company also has the advantage of high quality in africa. in the past two years our products has reached more than 30 countries in the world, europe. south america. north america, southeast asia, africa, etc. we welcome all over the world with the best quality and lowest price friend common cooperation and common development!

Details

escription of foodchem antioxidant vitamin c 50-81-7

usp2010/bp33/fccvii/ep7.0

halal.kosher,iso,haccp
appearance white crystals/powder
shelf life:2 years
25/20 kg/ctn/bag

antioxidant vitamin c 50-81-7 is a white or slightly yellow crystals or powder,a little acid.m.p.190°c-192°c,easily soluble in water,a little soluble in alcohol and uneasily soluble in ether and chlorofom and other organic solvent.in solid state it is stable in air.its water solution is easliy mutated when it meets with air.

coa of antioxidant vitamin c 50-81-7

item standard
appearance white or almost white crystal or crystalline powder
identification positive
melting point 191 °c ~ 192°c
ph (5%, w/v) 2.2 ~ 2.5
ph (2%,w/v) 2.4 ~ 2.8
specific optical rotation +20.5° ~ +21.5°
clarity of solution clear
heavy metals ≤0.0003%
assay (as c 6h 8o6, %) 99.0 ~ 100.5
copper ≤3 mg/kg
iron ≤2 mg/kg
mercury ≤1 mg/kg
arsenic ≤2 mg/kg
lead ≤2 mg/kg
oxalic acid ≤0.2%
loss on drying ≤0.1%
sulphated ash ≤ 0.1%
residual solvents (as methanol) ≤ 500 mg/kg
total plate count (cfu/g) ≤ 1000
yeasts & molds (cfu/g) ≤ 100
escherichia. coli/g absence
salmonella/ 25g absence
staphylococcus aureus/ 25g absence

application of bp/usp/fccvii ascorbic acid
1.keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2.prevent formation of nitrous amine from nitrous acid in meat products.
3.improve dough quality and make baked food expand to its maximum.
4.compensate the vitamin c losses of beverage ,fruits and vegetables during processing rocedures.
5.used as nutritional element in additives,feed additives.

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