N-Acetyl L-Cysteine 99.5% Powder - Antioxidant Supplement for Health
1. Product Features
Ultra-high purity quality: N-acetylcysteine (NAC) has a purity of up to 99.5%, with an almost extreme content of active ingredients and very few impurities, ensuring that each product can accurately exert its antioxidant and health maintenance effects.
Food-grade safety guarantee: Strictly follow food production standards, pass a number of authoritative quality inspections and safety certifications, and can be safely used in food processing and nutritional supplement production, and safely integrated into daily diet.
Fine white powder: It is a uniform and fine white powder with a light texture and is easily soluble in water or other beverages. It is convenient to add to juice, sports drinks, nutritious soups, etc., and easily achieves healthy supplementation.
Natural derivative process: It is extracted and refined from natural raw materials using advanced technology, retaining the biological activity of NAC, without chemical synthetic ingredients, in line with the concept of natural health, and meeting the pursuit of pure nutrition.
2. Product advantages
Strong antioxidant: NAC is a highly effective antioxidant that can directly remove free radicals in the body, while promoting the synthesis of glutathione (an important antioxidant in the human body), helping to resist oxidative stress damage, delay cell aging, and reduce the risk of disease.
Respiratory health support: It has mucolytic properties, can dilute respiratory mucus, promote sputum discharge, and relieve respiratory discomfort symptoms such as coughing and asthma. It is especially suitable for patients with chronic respiratory diseases and people who are often exposed to polluted environments.
Liver protection: By enhancing glutathione levels, it helps the liver resist toxins, promotes liver cell repair and regeneration, and plays an important liver protection function in scenarios such as alcoholic liver damage and drug-induced liver damage.
Immune regulation assistance: Regulate the function of the immune system, enhance the activity of immune cells, improve the body's resistance, help the body better cope with viral and bacterial infections, and provide health support during the flu season or physical weakness.
Widely applicable scenarios: Applicable to multiple fields such as food, health products, and medicines. Whether it is daily nutritional supplements, post-exercise recovery, or conditioning of specific health problems, it can play a positive role.
3. Precautions
Storage conditions: The product should be stored in a cool, dry, dark place, sealed and kept away from high temperature, humidity or direct sunlight; use as soon as possible after opening to prevent oxidation, moisture and deterioration of ingredients, which will affect the efficacy of the product.
Appearance | White Solid |
Density | 1.3±0.1 g/cm3 |
Melting Point | 109.5°C |
Boiling Point | 407.7°C at 760 mmHg |
Flash Point | 200.4±27.3°C |
Refractive Index | 1.519 |
Water Solubility | soluble in water, ethanol, methanol, dimethyl sulfoxide, hot isopropyl alcohol, methyl acetate and ethyl acetate. Insoluble in chloroform and ether.H2O: 100 mg/mL with heating |
Storage Conditions | 2-8°C |
Vapor Pressure | 1.1X10-5 mm Hg at 25 deg C /Estimated/ |
Toxicity | Oral-rat LD50:5050 mg/kg; Oral-Mouse LD50:7888 mg/kg |
Flammability characteristics | Decomposes smoke in humid air; burning releases toxic nitrogen oxide and sulfur oxide smoke |
Specific rotation | -35.1ºC (c=2,H2O) |
Odor | SLIGHT ACETIC ODOR |
Taste | CHARACTERISTIC SOUR TASTE |
PH | 2 TO 2.75 (1 IN 100 ML) |
PKA | 9.52(at 25 °C) |
Use:
An antioxidant mucolytic acetylated amino acid.It is used as a phlegm dissolving medicine in medicine. It is used in biochemical research, as an antidote for phlegm dissolving medicine and acetaminophen poisoning in medicine.



TDD-Global.com is a professional China chemical B2B marketplace operated by IBI Company, dedicated to promoting global communication, business negotiation, and market expansion in the chemical industry. With a strong network of China chemical product suppliers and international buyers, TDD-Global creates a dynamic and efficient platform for sourcing, trading, and cooperation.
Under the brand name TUDUODUO, TDD-Global has built a trusted reputation among suppliers and buyers in sectors such as fine chemicals, raw materials, industrial additives, and advanced chemical solutions. We offer a wide range of services including product listing, online promotion, supply chain solutions, and international marketing support.
Our platform connects hundreds of verified China chemical suppliers with buyers worldwide, fostering transparent transactions, better business opportunities, and high-value partnerships. Whether you are looking for bulk commodities, specialty chemicals, or customized procurement services, TDD-Global is your go-to platform.
Driven by the innovative spirit of IBI Company, we are committed to building a smarter, faster, and more reliable global chemical trade ecosystem.
If you are interested in cooperation, strategic partnerships, or customized chemical sourcing, please feel free to contact us. Let's shape the future of the chemical industry together!
Company Name | Beijing TDD E-commerce Co., Ltd | Country/Region | China |
Business Type | Online Store | Company Size | 2000 |
Established | December 18, 2014 | ||
Address | Building No.3, Area 6, No.188, West of South Forth Ring Rd, Beijing, China | ||
Main Products | PVC Resin , PP , PE , Pet , Titanium Dioxide , Pigment , Car Tire | ||
International Commercial Terms(Incoterms): | FOB, CFR, CIF, FCA | ||
Terms of Payment: | LC, T/T, D/P | ||
Average Lead Time: | Peak Season Lead Time: one month, Off Season Lead Time: within 15 workdays | ||
Number of Foreign Trading Staff: | 20~40 People | ||
Main Markets: | Southeast Asia, Africa, Mid East | ||
Nearest Port: | Tianjin,Qingdao,Shanghai | ||
Import & Export Mode: | Have Own Export License |
About Beijing United Information Technology Co., Ltd.
Beijing United Information Technology Co., Ltd. (Stock Code: 603613. SH), founded in 2002 and listed on the Main Board in July 2019, is mainly engaged in industrial e-commerce and industrial Internet platforms. Based on industrial e-commerce and supported by industrial big data and industrial digitalization, the company provides online commodity trading, business information services and digital technology services of industrial products and raw materials for related industries. In terms of business model, it is called "the industrial version of Pinduoduo" and "the industrial version of JD.com".
About Beijing TDD E-commerce Co., Ltd.
Beijing TDD E-commerce Co., Ltd. (shortly named TDD Global) is the core subsidiary of Guolian Corporation (Stock Code: 603613.SH) and the first industrial Internetplatform of Duoduo Series Platforms. The company mainly engages in B28 e-commerce transaction serices of raw material and industrial products, digital supply chain serices, industrial digitalization serices and industrial big data serices, and is committed to promoting the deep integration of traditional industries and new technologies such as the Internet, Internet of Things, big data, intelligent manufacturing and block chain, etc.
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of quot&quality first, customer first and credit-based"Since the establishment of the company and always do our best to satisfy potential needs of our customers.
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 an irresistible force. |
![]() |
Our Advantages:
Rich Experience-over 20 years in industry field
Ranges of products categories with quality guarantee
Competitive&Favourable price
7*24hours thoughtful pre-sale, on-sale, after-sale service
Overseas warehouse with all time delivery
Our services:
In order to better satisfy our customers worldwide and maintain regular customers. Our company takes raw material&industrial product B2B e-commerce transaction service, digital supply chain service, industry digitization service and industry data service as it′s primary business, focusing on promoting the deep integration between new technology and traditional industry, such as Internet, Internet of things, big data, intelligent manufacturing and blockchain.