Complaint
Fumaric acid, also known as fumaric acid, fumaric acid, corydalic acid, chemical formula C4H4O4, is a carboxylic acid derived from butene, which is a colorless, flammable crystal.
Fumaric acid is used in the production of unsaturated polyester resins. This type of resin is characterized by good chemical resistance and heat resistance; the copolymer of fumaric acid and vinyl acetate is a good adhesive. Copolymer with styrene is the raw material for manufacturing FRP. The plasticizer made by fumaric acid is non-toxic and can be used for vinyl acetate latex in contact with food. This product is a fine chemical intermediate such as medicine and optical bleaching agent. It is used in the production of antidote dimercaptosuccinic acid in the pharmaceutical industry. The fumaric acid is neutralized with sodium carbonate to obtain sodium fumarate ( [17013-01-3]), and then replaced with ferrous sulfate to obtain iron fumarate, which is used to treat small red blood cell anemia with iron-rich drugs. This product is used as a food additive-sour agent, used in refreshing drinks, fruit candy, jelly, ice cream, etc., most of which are used in combination with the sour agent citric acid. The monosodium salt made by the reaction of fumaric acid and sodium hydroxide, It is also used as a sour seasoning and as an intermediate for synthetic resin and mordant.
TESTS | SPECIFICATIONS |
Appearance | White crystalline powder |
Assay by NaOH(%) | Min 98.5 |
Loss on drying(%) | Max 0.5 |
Resudue on ignition(%) | Max 0.1 |
Melting point(ºC) | 282-302 |
As(ppm) | Max 2 |
Heavy metal(Pb,ppm) | Max 2 |
In food mainly used in meat products, fish products processing and so on. Fumaric acid can be used as acidity regulator, acidifier, antioxidant, salting promoter and spice. This product has a strong buffer effect to keep the aqueous solution at about pH3.0, and has an important role in antibacterial and mildew prevention, at the same time, it has astringent taste, is one of the most acidic solid acids, low absorption rate, and helps to extend the shelf life of powder products. When fumaric acid is changed into sodium fumarate, the water solubility and flavor are better .
1. Delivery time
a) For the stock items, we can arrange the shippment within 5~10 days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.
2. MOQ&Shipping
a) Full containers by sea
b) Small quantity(25kg), by air or by LCL or by Express as your requirement
3. Payment term
a) Small quantity recommend West Union
b) Full containers recommend T/T or L/C
4. How is the charge for sample?
Free samples available, shipping cost to be borne by the buyer.
5. What's your package?
Basically our packing is 25 kg per bag.
6. Can you give warranty of your products?
Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with our Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail.
