Methyl P-Hydroxybenzoate

INCI Adopted Name: Methyl Paraben CAS Registry No.: 99-76-3 EINECS No.: 202-785-7 Molecular Formula: C8H8O3 Molecular Weight: 152.15 Structural Formula: Synonyms: Methyl p-Hydroxybenzoate; Methyl 4-hydroxybenzoate 4-Hydroxybenzoic acid, methyl ester In food preservative effect: methyl paraben is internationally recognized as broad-spectrum efficient food preservatives,is widely used in soy sauce, vinegar and other spices, pickled products, baking food, sauce products, beverage, wine and fruit and vegetable preservation, etc, This product is widely used in the anti-corrosion of medicine, food, textile industry and other fields such as cosmetics, feed, and daily industrial products.

Wholesale O/p-toluene Sulfonic Acid Methyl Ester (optsm) Manufacturer, Cas No. 28804-47-9 Product Name: Methyl o/p-toluenesulfonate; Methyl O/P-Toluene Sulfonate; O/P-Toluene Sulfonic Acid Methyl Ester; Methyl O/P-Tosylate; OPTSME; OPTSM; MOPTS CAS No. 28804-47-9 Molecular Formula: C8H10O3S Molecular Weight: 186.23 EINECS No.: 249-237-3 Technical Specification: Appearance: Colorless or light yellow clear liquid Purity: ¥99% O-TSM: 40-70% P-TSM: 30-60% M-TSM: ¤5% Moisture: ¤0.5% Free acid: ¤0.2% OPTSC: ¤0.3% Ash: ¤0.1% Usage: Used as a methylation agent of organic synthesis, synthetic dyes, etc. Packing: 200kg plastic drum or 200kg plastic lined iron drum.

Product Name: Sodium Methylparaben Methyl 4-hydroxybenzoate INCI Name: SODIUM METHYLPARABEN Molecular Formula: C8H7NaO3 Molecular Weight: 174.13 Appearance: White powder Purity: 99% CAS NO.: 5026-62-0 EINECS No.: 225-714-1 Supplier: ZHENYIBIO Sodium Methylparaben has antimicrobial characteristics and is used as preservative in pharmaceutical formulations and cosmetics. It can be combined with other parabens like propyl 4-hydroxybenzoate or ethyl 4-hydroxybenzoate. The sodium salt provides improved solubility in water compared to standard methyl 4-hydroxybenzoate.

EthylParaben, E214, CAS number 120-47-8, food and cosmetic antioxidant/preservative, manufacturing process via chemical synthesis, 4-hydroxybenzoic acid (Paraben) and ethyl alcohol as raw materials. Butylparaben is in the paraben family (ButylParaben, Methylparaben Propylparaben) of preservatives used as an anti-fungal preservative in baked goods, creams and pastes, jams and jellies, syrups, processed vegetables, oils, seasonings, dairy products, beverages and skin care products. As an experienced EthylParaben manufacturer and supplier, we has been supplying and exporting EthylParaben for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. EthylParaben powder Specification ITEM SPECIFICATION Characters Colorless crystals or white crystalline powder Purity (on dry base) % 99.0-100.5% Melting Point 115-118 Acidity qualified Sulfate(SO42-) % / Heavy Metal (Pb) % / Heavy Metal(AS) % / Loss on Drying % 0.50 Residue % 0.10 p-Hydroxybenzoic Acid and Salicylic Acid / Appearance of Solution Clear Identification / Related Substances qualified Organic Volatile impurities /

Product Name: Methyl 4-hydroxybenzoate INCI Name: METHYLPARABEN Molecular Formula: C8H8O3 Molecular Weight: 152.15 Appearance: White to almost white Crystalline Powder Purity: 99% CAS NO.: 99-76-3 EINECS No.: 202-785-7 Supplier: ZHENYIBIO Methylparaben is a colourless crystalline powder that is odourless or has a faint characteristic odour and a slight burning taste. Slightly soluble in water, easily soluble in ethanol, ether, acetone and other organic solvents.

PropylParaben, also called propyl p-hydroxybenzoate, E216, CAS no.94-13-3, the manufacturing process via Paraben. Propylparaben is one of a family of preservatives known as parabens, the compounds of parahydroxybenzoic acid. Function: preventing the growth of fungi. It is used as a preservative in water-based cosmetics, such as creams, lotions, shampoos and bath products. PropylParaben often used as a preservative and anti-fungal agent to prevent molding and to provide a much longer shelf life to chips, jams, jellies in food application. As an experienced PropylParaben manufacturer and supplier, we has been supplying and exporting PropylParaben for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. PropylParaben powder food grade Specification ITEM SPECIFICATIONS Characters White crystalline powder Purity (on dry base) % 98.0-102.0 Acidity (PH) 4.0-7.0 Melting point (C) 96-99 Sulfate (SO42-) 300 ppm Residue on Ignition (%) 0.10 Completeness of solution Clear and transparent Organic volatile impurities 0.5 Loss on Drying (%) 0.5

What is Methylpyrrolidone? Methylpyrrolidone, also known as NMP or 1-methyl-2-pyrrolidone). NMP (N-Methylpyrrolidone) highly polar organic solvent used in a variety of industries and applications. Colorless transparent oily liquid with a slight amine odor. It is soluble with water, alcohols, ethers, esters, ketones, halogenated hydrocarbons, aromatic hydrocarbons and castor oil. Low volatility, thermal stability, chemical stability are good, can volatilize with water vapor. It has hygroscopic property. Sensitive to light. APPLICATION 1. Conductive pastes for lithium-ion battery and carbon nanotubes. 2. Acetylene concentration and extraction of butadiene, isoprene and aromatic hydrocarbons. 3. Lubricating oil refining. 4. Polymer solvents for insoluble engineering plastics (poly(p-phenylene sulfide) , polyimide) and aramid fibers. 5. High-grade paint, ink, pigment. 6. Cleaning agent: deoiling, degreasing, dewaxing, polishing, rust, paint, etc. 7. Artificial kidney function membrane fluid, desalination membrane fluid. 8. Polymer industry, pharmaceuticals, pesticides and other industries.