Petro chemical
Sodium benzoate, also known as benzoic acid sodium salt, is an organic compound that is the sodium salt of benzoic acid. Its chemical formula is C7H5NaO2, molecular weight 144.10 g/mol, and CAS No. 532-32-1. At room temperature, sodium benzoate appears as white granules or crystalline powder, odorless or with a slight benzoin-like odor, and has a slightly sweet and astringent taste. It is readily soluble in water (about 53 g/100 ml at 20°C); its aqueous solution is weakly alkaline with a pH of about 7.0-8.5; slightly soluble in ethanol, soluble in glycerol and methanol, and it absorbs moisture when exposed to air.
As a multifunctional chemical, sodium benzoate is widely used in multiple fields, mainly including the food industry, pharmaceutical field, daily chemical industry, dye industry, chemical synthesis, and industrial applications. Different application fields have different requirements for the demand and quality of sodium benzoate, forming a diversified market structure.
In the food industry, sodium benzoate is mainly used as a preservative, and its preservative effect is best in acidic environments (pH 2.5-4.0). Within this pH range, it can effectively inhibit the growth of yeast, mold and some bacteria. Its mechanism of action is to penetrate the microbial cell membrane through lipophilicity, interfere with the permeability of the cell membrane, and inhibit the cell membrane's absorption of amino acids; after entering the cell, it ionizes and acidifies the alkali reserves inside the cell and inhibits the activity of the cell's respiratory enzyme system, thereby achieving a preservative effect. Sodium benzoate is widely used in acidic foods such as carbonated beverages, fruit juices, soy sauce, vinegar, jam, and preserved fruits.
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[Shipping Description]
Within two days after receipt of the order (excluding the holidays), the Commissioner will confirm the order with your Union or SMS.
This product is non-DIY goods, 4 floor below the floor fee, 5 floor above each additional 200 yuan, no recovery services.
Delivery area: Taiwan Island, the outer island does not receive a single. Due to special restrictions (mountain, township, town, village), the stairs are too small to move upstairs and other factors, leading to the delivery, the company has the right to ship.
large furniture distribution is not easy, delivery time to 7 to 14 working days, before delivery logistics company will confirm with you delivery time.
Hualien area (except Hualien City), Taitung area, Pingtung (except Pingtung City) and some remote areas (mountain) area, you need to receive additional freight, travel less delivery of about 10 to 20 Working days, remote areas determined by the logistics company. (You can order the order, follow up by the commissioner and your offer)
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because of the large furniture assembly, distribution problems, not the general arrival of goods quickly, can not specify a specific time delivery, the driver will be informed before the arrival of the day before you so that you do not have all day at home and other goods, so as not to waste you The precious time.
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If you do not return the status of this order, you purchase the goods invoice will receive the goods from seven to ten working days, please pay attention to the receipt box.
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If you have any questions after receiving the goods, please contact us within 4 working days from the date of receipt of the goods and return it within seven days from the date of receipt of the goods in order to enjoy the After service.
If you do not return the status of this order, you purchase the goods invoice will receive the goods from seven to ten working days, please pay attention to the receipt box.
If you have any questions after receiving the goods, please contact us within 4 working days from the date of receipt of the goods and return it within seven days from the date of receipt of the goods in order to enjoy the After service.
If you do not return the status of this order, you purchase the goods invoice will receive the goods from seven to ten working days, please pay attention to the receipt box.