Basic Info.
Transport Machine
Ordinary Goods Truck
Grade Standard
Industrial Grade, Food Grade
Appearance
White or Almost White, Crystalline Powder or Colou
Transport Package
25kg/Carton
Specification
99.0%~100.5%
Product Description
Company Profile
NINGBO HI-TECH ZONE YEFENG NEW MATERIALS TECHNOLOGY CO.,LTD. was established in 2012 and located in Ningbo city Zhejiang province, We focus on cosmetic rawmateirls, pharmaceutical raw mateirls and food additive chemicals export more than 20 years. We also can provide some products formula in these field. And also can service for client do some special chemical test in china mian lab, Like ingredint Analysis, UV test. We trust you will satisfy our quality and enjoly our service. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.
Product Description
Ascorbic acid CAS 50-81-7 It is a water-soluble vitamin that is abundant in fruits and vegetables.
Packaging & Shipping
25kg/carton
COA
Item | Standard |
Appearance | White or almost white, crystalline powder or colourless crystals. |
Identification | Positive reaction. |
Specific optical rotation | +20.5°~+21.5° |
pH(with 5% water solution) | 2.1~2.6 |
pH(with 2% water solution) | 2.4~2.8 |
Impurity E | ≤0.20% |
Clarity of solution | Clear |
Colour of solution | ≤BY7 |
Assay(C6H8O6) | 99.0%~100.5% |
Melting point | 190~192ºC |
Impurities C, D | ≤0.15% |
Unspecified impurities (each impurity) | ≤0.10% |
Sum of impurities other than C and D | ≤0.20% |
Particle size distribution | ≥95.0% through #20 mesh |
Particle size distribution | ≤30.0%through #100 mesh |
Residue on ignition | ≤0.1% |
Loss of Drying | ≤0.4% |
Heavy metal | ≤10.0 mg/kg |
Iron | ≤2.0 mg/kg |
Copper | ≤5.0 mg/kg |
Lead | ≤0.5 mg/kg |
As | ≤1.0 mg/kg |
Cd | ≤0.5 mg/kg |
Hg | ≤0.1 mg/kg |
Residual Solvents(as methanol-) | ≤3000 mg/kg |
Total Plate Counts | ≤1000 cfu/g |
Yeasts and Moulds | ≤100 cfu/g |
Escherichia coli | Negative in 10g |
Salmonella | Negative in 25g |
Staphylococcus Aureus | Negative in 25g |
Address:
Room 1807, 95 business Mansion No. 598 Jiangnan Road, 315041 Ningbo, zhejiang, China.
Business Type:
Trading Company
Business Range:
Chemicals
Company Introduction:
NINGBO HI-TECH ZONE YEFENG NEW MATERIALS TECHNOLOGY Co., Ltd. Located in Ningbo ZHEJIANG. Our company is engaged in exporting chemical raw materials, mianly in the cosmetics raw materials field. Our company start from 2012, we focus on the cosmetics raw materials field from 2013.