Chemical Name: 2-Amino-1,4-benzenedisulfonic acid Structural Formula: Chemical Formula: C6H5NO6S2 Molecular Weight: 251.2381 CAS NO.: 98-44-2 Quality Index: Item Index 1. Appearance Pink White Powder 2. Purity 98% 3. Water Insolubles 0.1%. Main Use: For dyes intermediates for the manufacturing of direct resistance to question the blue RGL, reactive turquoise bluse KGL, reactive brilliant yellow and reactive orange etc. 25KG plastic woven bag.
Chemical name: p-nitrotoluene-o-sulfonic acid Structural formula: Chemical formula: C7H11NO7S Molecular weight: 253 CAS NO.:121-03-9 Quality index: Item Index (1)Appearance milk white crystal (2)Assay (Gross sample)% 80.0 (3)Moisture (Gross sample)% 5.0 (4)Free acid (Gross sample)% 1.0 (5)Insolubles(Gross sample% 0.1 Main use: it is an intermediate of dyes, can be used to manufacture Yellow R. 25kg plastic woven bag or upon clients' request.
Chemical name: 4,4-Diaminostilbene-2,2-disulfonic acid Chemical formula: C14H14N2O6S2 Molecular weight: 370.4 CAS NO.:81-11-8 Property: 1)Light yellow cream or powder, soluble in ethanol and ether; insoluble in water, easily soluble in alkaline solution. 2)Can be easily oxidized into red; has the property of aromatic acid or aromatic amine Quality index: Item Index (1)Appearance dry/wet light yellow powder/light yellow cream (2)Dry product total amino value(gross dry sample)% 95.0 (3)Degree of pigmentation(EOD) 0.12 (4)Content of alkali insolubles (gross cream )% 0.08 (5)Benzyl compound(gross sample)% 0.25 (6)Ash content% 2.2. Dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven bag or upon clients' request.
Chemical name: 4,4-Dinitrostilbene-2,2-disulfonic acid Structural formula: Chemical formula: C14H10N2O10S2 Molecular weight: 430 CAS NO.:128-42-7 Quality index: Item Index (1)Appearanceorange powder (2)Binitro acid content(gross dry product)% 66.0 (3)binitrobenzyl compound (gross dry product )% 0.5 (4)Other organic impurities(gross dry product )% 2.0 (5)Inorganic salt(gross dry product )% 2.0 (6)Water insolubles(gross dry product)% 1.0 Main use: it is an intermediate of dyes. 25kg plastic woven bag.
Chemical Name: Sulfanilic acid Structural Formula: Chemical Formula: C6H7NO3S Molecular Weight: 173.18648 CAS NO.: 121-57-3 Product Index: Item Index 1. Appearance White to grey white powder 2. Purity (total amino value) 99.0% 3. Density 1.485g/cm3 4. Fusion Point 285C 5. Water-solubility 0.1 g/100 mL. Main use: for azo dyes manufacturing, also for agricultural chemicals to prevent wheat rust. 25KG plastic woven bag.
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 /
We can supply Acetic Acid Industrial Grade and Food Grade. Commodity:Acetic acid. Other name: Glacial acetic acid Molecular formula CH3COOH CAS:64-19-7 EC No.200-580-7 Introduction: Annual capacity of our glacial acetic acid is 350,000.the raw material is methanol.we use a new technical process to produce: Methanol decomposition. the most important characteristic of this way are as following: mild oder; high quality--can reach 99.99%min; low cost--30% lower than oil decomposition and ethanol decomposition way. Specifications: Apha color:
Product Name Citric acid monohydrate Product Charactersï White Crystalline Powders, Colorless Crystals or Granules Executive Standards BP/USP/FCC/E330/GB1886.235-2016 Packaging plastic woven bag, 25kg net composite paper-plastic bags or 3-ply kraft paper bags with PE liner, 500kg or 1000kg net PP woven Jumbo bags Storage Kept in a light-proof, well-closed, dry and cool place Main Usage Citric Acid is mainly used as acidulant, flavoring agent, preservative and antistaling agent in food and beverage industry.it is also used as antioxidant, plasticizer and detergent in chemical, cosmetics and cleaning industries.
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
