Best Quality L(+)-Ascorbic 50-81-7

  • CAS No.: 50-81-7
  • Type.: Vitamins, Nutritional Supplements
  • Appearance: White powder
  • Molecular Formula: C6H8O6
  • Shelf Life: 3 years
  • Min Order Quantity: As requirements
  • Specification
  • Application
  • Packing&Shipping
  • Contact US
Inspection Item Standard Results
Appearance White crystalline powder White crystalline powder
Identification Positive Positive
Clarity of solution Clear Clear
Color of solution £≤BY7 <BY7
Assay 99.0~100.5% 99.6%
Loss on Drying ≤0.4% 0.04%
*Residue on ignition 0.1% 0.04%
Specific rotation +20.5°~ +21.5° +20.95°
PH(with 2% water solution) 2.4-2.8 2.64
PH(with 5% water solution) 2.1-2.6 2.32
Melting range About 190℃ 191℃
Heavy metals ≤3ppm <3ppm
*Iron ≤2ppm <2pp
*Copper ≤2ppm <2ppm
*Impurity E ≤0.2% <0.2%
*Arsenic ≤1ppm <1ppm
*Lead ≤2ppm <2ppm
*Cadmium ≤1ppm <1ppm
*Mercury ≤1ppm <1ppm
*Organic volatile impurities (As Methanol) ≤3000ppm <3000ppm
*Total Plate Count ≤1,000cfu/g <1,000cfu/g
*Yeast & Moulds ≤500cfu/g <500cfu/g
*Coliforms Absent in 1g Absent in 1g
*E. Coli Absent in 1g Absent in 1g
*Salmonella Absent in 25g Absent in 25g
*Staph Aureus Absent in 25g Absent in 25g
According to BP2016, E300, USP39, FCC 10, EP 8.
(1) L(+)-Ascorbic acid is used as nutritional element in feed additives.

(2) L(+)-Ascorbic acid can enhance resistance to infectious diseases.

(3) L(+)-Ascorbic acid Palmitat can prevent formation of nitrous amine from nitrous acid in meat products.

(4) L(+)-Ascorbic acid has the function of improving dough quality and making baked food expand to its maximum.

(5) Compensate the Vitamin C losses of beverage, fruits and vegetables during processing rocedures.
  • Address:

    No 999,Jiangyue Rd, Minhang Dist ,201114,Shanghai ,China

  • E-mail

    [email protected]
    Skype: richestgroup

  • Tel

    +86 13472638548
    WhatsApp: +86 13472638548

Hot Products

Potassium Bicarbonate Best Price 298-14-6

CAS No:298-14-6
Appearance:White powder

Acidulants Adipic Acid 124-04-9

CAS No:124-04-9
Appearance:White Powder

Acidulants--Succinic Acid 110-15-6

CAS No:110-15-6
Appearance:White Powder

Pure Acidulants L-Tartaric acid 87-69-4

CAS No:87-69-4
Appearance:White crystalline powder

D-tartaric Acid Supplier 147-71-7

CAS No:147-71-7
Appearance:White crystal or crystalline powder

Food Grade Phosphoric Acid Supply 7664-38-2

CAS No:7664-38-2
Appearance:Colorless liquid