L-Ascorbic acid in Chinabuy L-Ascorbic acid50-81-7 in China

L-Ascorbic acid in Chinabuy L-Ascorbic acid50-81-7 in China

Min.Order / FOB Price:Get Latest Price

50 Gram	FOB Price:USD 245.0000 -280.0000

50 Gram

FOB Price:USD 245.0000 -280.0000

Min.Order :50 Gram
Purity: 99% min
Payment Terms : L/C,T/T

Keywords

L-Ascorbic acid in China buy L-Ascorbic acid 50-81-7 in China

Quick Details

Appearance:white powder
Application:for pharma
PackAge:as per client's requirement
ProductionCapacity:5000|Gram|Day
Storage:in cool, dry place
Transportation:Cool dry place, away from the light;

Superiority:

quality & price

1. factory price, reliable quality

2. years produce and exporting experience

3. strict quality control, free sample for test before order, keep sample after shipment for further issue

service

1. enough stock, fast shipment, professional team to deal with it

2. different packing can be customized, photos available before shipment

3. quick response for all inquiries or claims

wuhan xinru chemical has several stock-holding factories, based on strong r&d ability, advanced

production technology and experienced team; pluses international trade office in wuhan, we

can offer high and stable quality products with quick response and service.

please contact us freely for more details about products specification, packing method, price term,

lead time, payment term and any other information, we would try our best to satisfy you both on

quality and price as much as we can.

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.