Business Type:
Trading Company
Business Range:
N Methyl Formamide, Methyl Thioglycolate, Iron Powder, Aluminium Sulphate, Calcium ..
Establishment:
2012
R&D Capacity:
ODM, OEM, Other
Terms of Payment:
LC, T/T, D/P, PayPal, WesternUnion, Small-amountpayment
Main Markets:
North America, South America, Europe, Southeast Asia, Middle East, Africa, East Asia(Japan, South Korea), Australia
OEM/ODM Service
Sample Available

L (+) - Tartaric Acid, Dl+ Tartaric Acid Price, Tartaric Acid/CAS: 87-69-4 manufacturer / supplier in China, offering Food Grade L (+) - Tartaric Acid / Dl+Tartaric Acid /CAS: 87-69-4, 2-Ethylhexanol CAS 104-76-7, Gold Supplier of Hydroxyethyl Cellulose HEC and Best Price and so on.

1
    YRS
General Supplier
Supplier Homepage Agriculture & Food Food Additive Food Antioxidants High Purity 99% White Crystalline Powder L (+) -Ascorbic Acid CAS No 50-81-7

High Purity 99% White Crystalline Powder L (+) -Ascorbic Acid CAS No 50-81-7

Get Latest Price
Min. Order / Reference FOB Price
1 kg Contact Supplier
Local Area: Taian, Shandong, China
R&D Capacity: OEM, ODM, Other
Payment Terms: LC, T/T, D/P, PayPal, WesternUnion, Small-amountpayment
Packaging Material: Paper
Storage Method: Normal
Shelf Life: >12 Months
High purity 99% white crystalline powder L(+)-Ascorbic acid CAS NO 50-81-7L(+)-Ascorbic acid
CAS No.:50-81-7
Molecular formula: C6H8O6
Molecular weight:176.13
Certification of Analysis
Certification of Analysis
Item
SpecificationsResults
Characteristics
White or almost white crystalline powder
Pass
Identification
Positive reaction
Pass
Melting Point
about 190°C
191°C
PH
2.1-2.6
2.3
Clarity of solution
Clear
Pass
Color of solution
≤BY7
<BY7
Copper
≤5ppm
<5ppm
Heavy metals
≤10ppm
<10ppm
Iron
≤2ppm
<2ppm
Lead
≤2ppm
<2ppm
Arsenic
≤3ppm
<3ppm
Oxalic acid
≤0.2%
<0.2%
Sulphated Ashes
≤0.1%
0.03%
Specific optical Rotation
+20.5°~ +21.5°
+21.1°
Assay
99.0%-100.5%
99.9%
Organic volatile impurities
Pass
Pass
Residual solvents
Methanol: NMT 3000ppm
<3000ppmPacking: 25kg net weight carton box or drum with two plastic inner linings and vacuum-sealed bag ,1 FCL=20MT
Features:
1) It contains over 99.5% of ascorbic acid
2) Mainly used in producing various medicines, it is an important medicine for
clinical supplementary treatment
3) It can be used in food additive. It is a good and safe nutritional agent as well
as an antiseptic and baking age
Product Show