COLORCOM LTD.
Assessed supplier:
cooperative member
cooperative member
4Years
This supplier has been in lookchem for 4 years
Business Type:Manufacturers
Country: 
China (Mainland)
Business Type:Manufacturers
Tel: +86-571-89009396
Mobile: 008613958816817
Tel: +86-571-89009396
Fax: +89-571-89007002
URL: https://www.colorkem.com/
Province/state: Zhejiang
City: Hangzhou
Street: ROOM 707, BUILDING 19, HUAXIA CENTER, CANGQIAN SUBDISTRICT, YUHANG DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE, CHINA.
Contact SuppliersCAS NO.50-81-7
CAS NO.50-81-7
Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards.
Colorcom prides itself on superior customer and technical focus, while focusing on support, developing and manufacturing superior colorants and specialty chemicals. All of our industrial chemical manufacturing is executed to enhance the performance, appeal and processing of a broad range of products used in various industries and consumer - based applications.
The competitive advantages of Colorcom international as your business partner or supplier:
1.Established manufacturer.
2.Current ISO certified; REACH registered.
3.Track record of quality, Lot to lot consistency.
4.Zero defect, Return policy.
5.Sufficient inventory.
6.Wide product portfolio, A great choice of shades.
7.Joint product development.
8.Total innovative solutions for every industry of the specific requirements.
9.Open dialogue and communication channels.
10.Long term commitment to meet or exceed the expectations of customers.
11.Competitive pricing, Optimistic margin.
12.Providing efficient service which is second to none.
13.Constantly changing industry requirements for innovative, fully customized products and solutions.
14.Consistent color performance, adaptability, flexibility and customization.
15.26 years of chemical industry knowledge and experience.
16.Colorcom makes every effort to better serve the global customers,We create and bring the best values to you.
Ascorbic Acid is a white or slightly yellow crystals or powder, a little acid.m.p.190℃-192℃，easily soluble in water, a little soluble in alcohol and uneasily soluble in ether and chloroform and another organic solvent. In solid-state it is stable in air. Its water solution is easily mutated when it meets with air.
Usage: In the pharmaceutical industry, can be used to treat scurvy and various acute and chronic infectious diseases, are applicable to the lack of VC.
In the food industry, it can both use as nutritional supplements, supplementary VC in food processing, and also is good Antioxidants in food preservation, widely used in meat products, fermented flour products, beer, tea drinks, fruit juice, canned fruit, canned meat and so on;also commonly used in cosmetics,feed additives and other industrial areas.
|
ITEM |
STANDARD |
|
Appearance |
White or almost white crystal or crystalline powder |
|
Identification |
Positive |
|
Melting point |
191 ℃ ~ 192℃ |
|
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 |