Customization: | Available |
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Sample: | Available |
Storage: | Cool |
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Audited by an independent third-party inspection agency
Item | Standard | Result | ||||
Characters | A white, or almost white, crystalline powder or white or colourless, acicular crystals, slightly soluble in water, freely soluble in ethanol (96 percent), sparingly soluble in methylene chloride | Complies | ||||
Indentification | A. Melting point 158ºC-161ºC | 158.5ºC-160.3ºC | ||||
B. The IR spectrum of samples complies with Salicylic acid CRS | Complies | |||||
Appearance of solution | Solution is clear and colourless | Clear | ||||
Chlorides | NMT100ppm | <100PPM | ||||
Sulfates | NMT200ppm | <200PPM | ||||
Heavy metals | NMT20ppm | <20PPM | ||||
Loss on drying | NMT0.5% | 0.02% | ||||
Residue on drying | NMT0.05% | 0.02% | ||||
Related substances | 4-hydroxybenzoic acid ≤0.1% | 0.004% | ||||
4-hydroxyisophthalic acid≤0.05% | 0.002% | |||||
Phenol≤0.02% | N.D. | |||||
Any other impurities≤0.05% | N.D. | |||||
Total impurities≤0.2% | 0.005% | |||||
Assay (on dried basis) | Contains C7H6O3 99.0%-100.5% | 99.60% | ||||
Conclusion | The Product Complies with the standard of BP2020/EP10.0/USP NF2021. |
Professional supplier of Chinese source since 1998
ISO, CE, GMP, FDA certified Exporting to 60+ Countries Pre-shipment sample. Over25+ Years' Import and Export Experience
TNN was founded in 1998 in Dalian China with headquarter in Dalian, overseas branch offices in the USA, Australia, and Dubai. TNN has three domestic branches in Jilin, Shanghai, and Shenyang. Mix container and professional loading with taking photos off every step. Our own laboratory, pre-shipment sample before shipment, and keep batch samples.
Our Mission: In order to seek wealthy and spiritual life for all TNN members, constantly improving foreign trade services. Striving to promote people's life around the world!
Our Products: Specialize in chemicals, Health & Medicine, Food Additive, fashion accessories, lotion pumps & sprayers, gloves & other epidemic prevention products, and bottle caps supplied to all over the world. TNN will make your life better.
ISO9001: 2015 Company with Perfect Loading: Certified by ISO9001, CE, GMP, FDA, specializing in food, feed additives, APIS, Cosmetics, Medical instruments, chemical raw materials, and more.
Exporting to 60+ Countries: Our products have been sold to clients all over the world, such as Japan, Korea, Mideast, Middle Asia, Europe, Africa, India, South America, keeping a cooperative relationship with 60+ countries. We are firmly committed to our mission of creating a global trade network on supply, sales, and service.