L-Cysteine, E920, CAS No.52-90-4, a non-essential amino acid manufactured through fermentation. Cysteine is extracted from raw materials of animal and human origins. Cysteine has the same structure as serine, but with one of its oxygen atoms replaced by sulfur.
As an experienced L-Cysteine manufacturer and supplier, we has been supplying and exporting L-Cysteine 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.
Categories Amino Acids
Qty in 20â??FCL 12000kg
Min Order 500kg
Origin China
Packaging Factory Packaging or Neutral
Certificate ISO, Kosher, Halal, BRC
E No. E920
CAS No. 52-90-4
HS Code 293090
Specification FCC/USP
L-Cysteine Specification
Item Specifications (AJI97 )
Appearance White crystal or crystalline powder; tasteless
Assay, % 98.5~101.0
Specific rotation -218~ -224
Loss on drying, % 0.2
Transmittance, % 98.0
Chloride (as Cl), % 0.02
Sulfate (as SO4), % 0.02
Ammonium as (as NH4), % 0.02
Iron (as Fe), % .001
Heavy Metals (as Pb), % 0.001
Arsenic (as As), % 0.0001
pH Value 5.0~6.5
Residue on ignition, % 0.1
Other amino acid Conforms
L-Cysteine(CAS:52-90-4)
L-Leucine powder, E641, CAS No.61-90-5, essential amino acid manufactured via fermentation from carbohydrate sources. Function and uses:L-leucine supplement used in combination with the other branched chain amino acids( L-isoleucine and L-valine) for patients with hepatic diseases to improve nutritional status. BCAAs uses as fuel sources for skeletal muscle. BCAAs are an important component of sports nutrition and health foods, as they increase energy, enhance endurance and aid in muscle recovery. As an experienced L-Leucine manufacturer and supplier, we has been supplying and exporting L-Leucine 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. Product Description Categories Amino Acids Qty in 20 FCL 20000kg Min Order 500kg Origin China Packaging Factory Packaging or Neutral Certificate ISO, Kosher, Halal, BRC E Number E641 CAS No. 61-90-5 HS Code 292249 Specification Feed/Food Grade L-Leucine Specification Specific rotation +27.6-+29.0 Heavy metals 10ppm Water content 0.20% Residue on ignition 0.10% assay 99.0-100.5% PH 5.0~6.5
L-Tyrosine powder, CAS No.60-18-4, non-essential amino acid manufactured by extraction from vegetable protein. Do not use materials of animal origin in L-Tyrosine manufacturing process. L-tyrosine is an important factor in regulating mood. L-tyrosine deficiency can lead to poor mood, low blood pressure and low body temperature and associates with Restless Leg Syndrome. Tyrosine can be used in sports nutrition drink, skin care cosmetics and health foods. As an experienced L-Tyrosine manufacturer and supplier, we has been supplying and exporting L-Tyrosine 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. L-Tyrosine Food grade Specification Name L-Tyrosine Chemical Formula C9H11NO3 Appearance Cristal blanco o polvo cristalino Assay 99.0 100.5% Transmittance Clear, colorless, 95% min Loss on drying 0.20% max Residue on ignition 0.10% max Other ammoniated Meet with the requirements Chloride 0.020% max Sulfate 0.020% max Ammonium 0.020% max PH 5.0 â?? 6.5 Specific rotation -11.3 -12.1 Heavy metals 0.0010% max Arsenic 0.0001% max Iron(Fe) 0.0010% max
L-Valine powder, CAS No.72-18-4, essential amino acid manufactured by fermentation from carbohydrate sources. No materials of animal origin are used in the production of L-valine. Along with L-leucine and L-isoleucine, is part of the branched chain of amino acids (BCAAs). L-valine is a branched chain amino acid (as are L-isoleucine and L-leucine), which is important for supplying energy to muscles. The branched chain amino acids enhance energy, increase endurance and aid in muscle tissue recovery and repair. Branched chain preparations are used in sports nutrition and health foods. As an experienced L-Valine manufacturer and supplier, we has been supplying and exporting L-Valine 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. Product Description Categories Amino Acids Qty in 20' FCL 20000kg Min Order 500kg Origin China Packaging Factory Packaging or Neutral Certificate ISO, Kosher, Halal, BRC CAS No. 72-18-4 HS Code 292249 Specification Feed/Food Grade L-Valine Specification Specific rotation +27.6-+29.0 Heavy metals 10ppm Water content 0.20% Residue on ignition 0.10% assay 99.0-100.5% PH 5.0~6.5
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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 /
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
Commodity: Ammonium nitrate porous prills Molecular formula: NH4NO3 Molecule Weight: 80 CAS: 6484-52-2 UN:1942 Hazardous class:5.1 Commodity: Ammonium nitrate porous prills 1.Production of granular porous ammonium nitrate for industrial use and agricultural granular ammonium nitrate. Products with low moisture content, not easy to cake; high compressive strength, not easy to break; high oil absorption rate. Ammonium nitrate content is more than 99%, the appearance is white granular crystals, no impurities visible to the naked eye. 2. Purpose: Explosive material: granular ammonium oil explosive is made by mixing porous ammonium nitrate with raw oil. Its speed can reach more than 3 200 m/s. This explosive has strong explosive power, safe and reliable use, low price, cost saving, and can usually reduce the cost by 20%-40%. At present, this kind of explosive has been widely used in mining, construction, railway and highway construction, agricultural and water conservancy construction and national defense and other fields. 3. Product specifications: Specifications: Appearance white granule Particle size 0.5-2.5mm NH4NO3 >99.5% N >34% Oil absorption > 8% Moisture < 0.2% PH >4