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500 Kilogram |
FOB Price:USD 4.0000 -4.5000 |
Vitamin C Vinamin Ascorbic Acid
Chemical name:
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Vitamin C (also known as ascorbic acid)
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English name:
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L(+)-Ascorbic acid
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CAS No.:
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50-81-7
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Molecular formula:
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C6H8O6
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Molecular weight:
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176.12
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Appearance and properties:
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White crystal. easy Soluble in water, slightly soluble in ethanol, insoluble in ether, chloroform, benzene, petroleum ether, oils and fats. Aqueous solution is acidic. Can rapidly oxidized to dehydroascorbate in the air. Odorless, sour like citric acid. Strong reducing agent. After long-term storage, it will gradient turn into different degrees of light yellow color.
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Assay:
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≥99%
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Melting point:
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190-192℃
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Specific rotation:
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+20.5°~+21.5°
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Residue on ignition:
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≤0.1%
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Heavy metal:
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≤0.001%
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Arsenic:
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≤0.0003%
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Use:
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Nutritional supplement; antioxidant; color fixative. Prevention of scurvy, alveolar pyorrhea, anemia, loss of appetite, etc. Can enhance resistance to infectious diseases.
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Specification:
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USP/BP/CP
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Packing specification:
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25KG/barrel, bag
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Storage and transportation:
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Stored in a cool, ventilated and dry warehouse. Avoid heat or sun exposure. Mixed storage with hazardous materials is strictly prohibited. Prevent from damp.
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Tianjin YR Chemspec Technology Co.,Ltd(Y & R) is registrated in Tianjin Free Trade Zone(FTZ),the company is re-organized from Kingchem International Ltd which firstly set up in 2012.We are engaged in the production and distribution a broad range portfolio of specialty,raw materials,additives,intermediates and solvents for the global cosmetic,personal care,pharmaceutical,food,H&I and other Hi-Tech industries.
Y&R is one of the reliable sources in the world for high quality performance raw materials,additives,lab/reaserch and other fine chemicals,we are foucsed on DL-Panthenol,D-Panthenol,Gamma-Polyglutamic Acid,Polyquaternium,PVP Polymers and Pyrrolidone based solvents/intermediates,PVM/MA Copolymers,Amino Acid Series.We are offering 24hours after-sales service,technical support,our current market network is expanding to N/S America,EU,South East Asia,Middle East and worldwide.
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