4-Amino-3-hydroxybenzoic acid
Cas No:2374-03-0
Purity:98%+
Molecular Formula:C7H7NO3
Molecular Weight:153.14
Melting point:211-215 �°C(lit.)
Boiling point:385.7�±37.0 �°C(Predicted)
Hazard Class:Non-dangerous
Usage:Pharmaceutical Intermediates
Package:1kg,25kg,1t or on request
Storage condition:Store in a cool ,dry area away from heat sources and protected from light
Appearance:Brown solid
Melting point: 211-215 C (lit.) Boiling point: 385.7 + / - 37.0 C (Predicted) Density: 1.028 Storage conditions: Keepindarkplace, Sealedindry RTemperature Acidity coefficient (pKa) : 4.74±0.10(Predicted) Characteristics: CrystallinePowder Color: Yellow - browntobrown
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Buyer: Zinc ash, copper concentrate, lead ore, tin ore, nickel sludge
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 /
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Services: Distrubution and logistics
Supplier: Medical, surgical, industrial and paper products & chemicals
Product name: Silk Amino Acids INCI Name: SILK AMINO ACIDS Average molecular weight: 90-100 Total nitrogen: 15 PH: 4.5.0-6.5 Total Amino acid: 83 Appearance: White powder or Light yellow transparent liquid Supplier: ZHENYIBIO Silk amino acids are used in skin and hair care products to enhance skin and hair strength,help increase moisture content and prevent damage.Using products containing silk amino acids may help support the health of keratin in the skin and hair.Maintaining skin health and strength can help reduce the visible appearance of fine lines and wrinkles.The main benefit of silk amino acid powder is the strength and moisturizing of hair and skin.The moisture content of the skin and hair help improve the appearance of the hair and can reduce the visible fine lines and wrinkles on the skin.
Product name: Silkworm Chrysalis Amino Acids INCI Name: SILKWORM CHRYSALIS EXTRACT Total nitrogen: 12.8 PH: 5.0-7.0 Total Amino acid: â?¥60 Appearance: Light yellow to brownish yellow powder Supplier: ZHENYIBIO In cosmetic formulations,silkworm chrysalis amino acids acid are used in creams and shampoos to increase hydration,elasticity,cleanliness(have less irritation),anti-aging and anti-wrinkle effects,and can also prevent nails from cracking and brittle.These applications are especially due to the function of silkworm chrysalis amino acids with hydrophilic that has large capacity to absorb water.Silkworm chrysalis amino acids function: forming a soft and smooth film on the skin surface to prevent moisture loss;Used for wound healing,stimulating cell proliferation;Preventing ultraviolet radiation,and formulating creams and shampoos
Content of Choline Chloride - 60% min Loss on drying - 4.0 max Particle size (20 mesh sieves) - 95% min Heavy metal (Pb) - 0.002 max TMA - 1000 ppm max Description of Choline Chloride Specification: Feed grade. Contents:50%,60%,70%,75%,98% Choline Chloride has the formula C5H14CINO.the carrier of the powder product is Corn cob or Silica. Corn cob base Choline Chloride is yellow brownish dry powder and Silica base Choline Chloride is white dry powder. Function and Usage: Uses [1] Choline Chloride is one kind of vitamins,it is the essential component of lecithin. And it is very important for the nutrition and growth of the animals. [2] To prevent the accumulation of fat in livers and kidneys and avoid its pathological changes. [3] To enhance the health of animals and to improve its ability to anti-illness. [4]To increase the growth rate and laying rate to increase the survival rate Of baby pig. [5]to increase the growth and survival rate of fishes promote its propagation [6] to ensure the proper functioning of the nervous system of animals .
