4-Hydroxybenzoic acid Chemical Name:4-Hydroxybenzoic acid Trade Name:p-oxybenzoic acid Molecular Formula:C7H6O3 Molecular Weight:138.12 CAS No.:99-96-7 Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone, slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46 Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate Specification Item Specification Polymer Grade Technical Grade Appearance white crystal powder white crystal powder Purity(on dry base) % 99.6 99.0 Melting Point 214-217 212-216 Odor odorless odorless Solubility Clear and transparent clear and transparent Loss on Drying % 0.20 0.50 Color(Pt-Co) 10 40 Ash % 0.02 0.15 Sulfate(SO42-) 0.01 0.05 Chloride(Cl-) % 0.005 0.02 Phe% 0.01 0.10 Salicylic Acid % 0.02 0.10 4-Hydroxyisophthalic Acid(HIPA) ppm 500 / Insolubles in Metha ppm 50 / Potassium(K+) ppm 5 / Sodium (Na+) ppm 5 / Iron (Fe) ppm 5 / Ca2++Mg2+ppm 5 /
[Technical Indicators] 1. Industrial grade Indicator Name/Indicator Value Powdered Products (F) Needle Products (Z) Level 92 Level 93 Level 95 Level 92 Level 95 Appearance White or light yellow powder, without caking White or yellowish needle-like, without lumps Active matter,% 92.0 93.0 95.0 92.0 95.0 Free oil,% 1.2 1.2 1.2 2.0 1.5 Inorganic salt,% Sodium sulfate 5.8 4.8 2.5 4.8 2.5 Sodium chloride 0.15 0.15 0.15 0.15 0.15 Moisture,% 2.0 2.0 2.0 4.0 3.0 PH value (1% aqueous solution) 7.5-9.5 7.5-10 Whiteness (WB), 90 2. Toothpaste grade Indicator Name/Indicator Value Toothpaste Grade (Y) (I) Level (II) Level (III) Level Appearance White or yellowish powdery or needle-like, without caking Active matter,% 95.0 93.0 93.0 Free oil,% 1.2 1.2 1.2 Inorganic salt,% Sodium sulfate 2.5 3.2 4.0 Sodium chloride 0.15 0.15 0.15 Moisture,% 2.0 2.0 3.0 PH value (1% aqueous solution) 8-9.3 8-9.3 8-10 Whiteness (WB), 90 Foaming capacity/mm 180 Heavy metal (as Pb)/ (mg/Kg), 15 Arsenic content (as As)/ (mg/Kg), 3 Total bacterial count/ (CFU/G), 100 Total number of molds and yeasts/ (CFU/G), 100 Fecal coliforms/G Not to be detected Pseudomonas aeruginosa/G Not to be detected Staphylococcus aureus/G Not to be detected  3. Latex grade Indicator Name/Indicator Value Latex grade (powder, needle, liquid) Aggregate grade Seed level Liquid K12 Appearance White or yellowish powdery or needle-like, without caking Light yellow transparent liquid Active matter,% 94.0 92 28.5-30.5 Free oil,% 0.8-1.0 1.5-2.0 1.5 Inorganic salt,% Sodium sulfate 3.0 3.0 1.5 Sodium chloride 0.15 0.15 0.05 Moisture,% 3.5 3.5 - PH value (1% aqueous solution) 8-10 7.5-9.5 Whiteness (WB), 90 - Color Klett (30% active), - 60 4. Reagent grade Indicator Name/Indicator Value Reagent grade Level 99% Level 97% Appearance White flaky crystals White powder Solubility (1%, alcohol) Completely dissolved Solubility (10%, aqueous solution) Completely dissolved Chroma APHA (20%, deionized water), 15  - Active matter (%), â?¥ 99 (on dry basis) 97 Petroleum ether soluble matter (%), 0.2 1.0 Sodium sulfate (%), 0.5 1.5 Sodium chloride (%), Moisture (%), 1.0 2.0 PH value (1% aqueous solution) 6.0-8.0 6.0-11 Phosphate, 1ppm - Lead (Pb), 2ppm Iron (Fe), 1ppm Nitrogen, 5ppm - Arsenic (As), 0.1ppm Fraction content (%), 99.0 Absorbance (3%, deionized water) 230nm 0.4 260nm 0.1 280nm 0.1 - 410nm 0.01
Chemical name:Magnesium nitrate Molecular formula:Mg(NO3)2.6H2O Molecular weight:256.40 Property:soluble in water,liquid ammonia, methanol and ethanol.Stable at room temperature, the relative density of 1.461, higher than the melting point of 95�°C off the water to generate alkaline magnesium nitrate, heated to 300�°C begins to decompose above 400�°C to completely decompose into magnesium oxide and Nitrogen oxide gas. Quality standard: Item Indicator Industrial grade Agriculture grade Magnesium nitrate (Mg(NO3)2.6H2O) â?¥98.0% â?¥98.0% PH value â?¥4 --- Heavy metal â?¤0.002 --- Water insoluble â?¤0.05% â?¤0.1% Iron â?¤0.001% --- Magnesium oxide content(CaO) --- â?¥15% Nitrogen content(N) --- â?¥10.7% Use:Concentrated nitric acid for industrial de-water agent, manufacture of explosives, catalysts and other magnesium salts and nitrates catalyst raw materials, wheat ashing agent.Used in agriculture, magnesium soluble fertilizer for soilless culture. Packing:25/50KGlined with plastic bag and exterior is woven bagPacking or according to customers requirements. 1.Purity 98% white granule 2.Used for fertilizer or industrial material 3.Export Asia/Europe 4.ISO9001
Name: 2-hydroxy-6-naphthoic acid Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid CAS NOï¼?16712-64-4 Molecular formula: c11h7o3 Molecular weight: 187.172 Product quality standard: Appearance characte Light yellow powder Content 99% 2-naphtholâ?¤0.10% 2,3-acidâ?¤0.10% melting point243-245�°C Loss on dryingâ?¤0.30% heavy metalâ?¤20ppm Application: used in medicine, liquid crystal, paint, etc. Packing: 25kg / cardboard barrel, or according to customer requirements
1. Product name: Ammonium bisulfite solution 2. Molecular formula: NH4HSO3 3. Molecular weight: 99.10 4. Physical and chemical properties: light yellow liquid, with a little sulfur dioxide odor. Relative density (70%) : 1.4. 5. Technical index: Item Photographic grade Appearance clear light yellow liquid Content w/w % 68-72 pH value (stock solution 20C) 4.0-6.0 Iron (Fe) w/w % 0.001 6. Packing: 270kg plastic drum, 1.25MTS/IBC 7. Uses: in synthesizing dye intermediate, surfactant, herbicide, reducing agent in pharmaceutical industry, etc.
1. Product Functions and Features Sodium Selenite is a supplement of selenite for animal nutrition. The product has stable quality and good liquidity and is easy to mix process. 2.  Introduction Mixed feed additives and sodium selenite. The additive of microelement selenite in feed. Usage & Dosage:The recommended amount in the compound feed(calculated by Selenite mg/kg)0.1-0.3mg for livestock,0.1-0.3mg for fishes. 3. Appearance Light Grey Powder 4. Product quality standard 1%selenite 5%  selenite Sodium selenite (counted by Se)% 1 ±0.05 5 ±0.10 Moisture % 5 Pass 450 m test sieve% 95 Total arsenic content (counted by As)% 0.0005 Lead content (counted by Pb)% 0.002 Cadmium content (counted by Cd)% 0.001 5.Packing:25kg/bag 6. Storage conditions, methods and precautions: stored in cool and dry places, and used up as soon as possible once unpacked.
Commodity: Calcium carbide Molecular formula:CaC2 Molecule Weight: 64.10 H.S code:28491000 CAS: 75-20-7 UN NO.1402 HAZARD CLASS: 4.3 Application: It is a kind of basic material for organic synthesis, and can produce acetylene gas for cutting and welding, also be material for calcium cyanamide. Appearance: Grey, black solid, purple when its purity is more than 90%. Granule:4-25mm / 15-25mm / 25-50mm / 50-80mm /25-80/ 80-120mm Package: Net in 100kg or 50kg new iron drums with nitrogen. Specification: GB10665-2004 Specification Superfine Grade First Grade Second Grade Gas yield(L/kg)L/kg 305 295-305 285-295 PH3 content in acetylene (PH3%) 0.06 0.08 0.08 H2S content in acetylene (H2S%) 0.1 0.1 0.1 Loading weight in 1 x 20fcl:22.5mt
Potassium Monopersulfate compound, a white, free flowing crystalline granule, is non-toxic, odorless, and easily soluble in water. It is an efficient, environmentally friendly, and multifunctional acidic oxidant. General Information Product Name Potassium Monopersulfate compound CAS 70693-62-8 Chemical formula 2KHSO5 KHSO4 K2SO4 Molecular weight 614.7 Specification Appearance White, free flowing granule Available Oxygen, % 4.5 KHSO5,  % 42.8 Loss on Drying  % 0.15 Bulk Density, g/L 0.80 pH (10g/L,25 C) 2.0 .4 Sieve Residue on 75 m test sieve, % 90.0 Packaging Product is packaged in plastic woven bags lined with polyethylene film, with a net weight of 20kg/bag or 50kg, or the packaging form and net content can be determined through negotiation according to customer requirements. Storage Store in a cool and well ventilated warehouse to prevent exposure to sunlight, rain, and moisture. Prohibit mixing with reducing substances for storage.
Monocalcium Phosphate (MCP) Feed grade Product Features The purity of the product, calcium and phosphorus ratio appropriate to ensure a higher degree of its biological effects. Phosphorus content greater than 22% of the products, their biological effects better. This unique high-tech companies use technology to make our products crystallization, high purity and its harmful impurities significantly below standards:HG28611997 Drying process advanced products, products with low free water under the premise that the product does not lose crystallization of water, avoid the product in the drying process for the loss of water caused by crystallization of biological effects of the reduction. Specifications Appearance white powder or granule Total P 22%min Ca 13-18% F 0.18% max As 10 ppm max Pb 10ppm max Moisture 4%max Source of OriginRock Packing and Storage Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg. Transportation-and harsh rain. Stored in a cool, ventilated, dry place
