Technical Data LIST
Guanylthiourea
Ethoxymethylenecyanoacetic acid ethyl ester
Methyl paraben
p-Hydroxybenzoic acid
Phosphoric acid

Guanylthiourea
Synonym: Amidinothiourea,
2-Imino-4-Thiobiuret
CAS No.: 2114-02-5
Molecular formula: C
2H6N4S
Structure:

Specifications:
Appearance: White or off-white
crystalline powder
Assay: 99%min
Melting point: 158-164
Loss on drying: 0.3%max
Ash: 0.2%max
Usage: Pharmaceutical intermediate, etc.
Packing: 25kg net drums or bags.

Ethoxymethylenecyanoacetic acid ethyl ester
Synonym:
Ethyl ethoxymethylenecyanoacetate
Abbreviate: EMCAE, EEMC
CAS No.: 94-05-3
Molecular formula: C8H11O3N

Structure:
Specifications:
Appearance: Light yellow solid
Assay: 99%min
Melting point: 48-51
Usage: Pharmaceutical intermediate, Dye intermediate, etc.
Packing: 200kg net iron drums with plastic liner, or 50kg net plastic drums

Methyl paraben
Synonyms: Methyl 4-hydroxybenzoate, Nipagin
CAS No.: 99-76-3
Molecular formula: C8H8O3
Structure:
Standard: BP2007, USP30
Usage: An antiseptics in foodstuff, medicine, cosmetics and feedstuff.
Packing: 25kg net bags or cardboard drums.
Also supply:
Methyl paraben sodium Bp2007
Ethyl paraben & its sodium salt Bp2007
Propyl paraben & its sodium salt Bp2007
Butyl paraben & its sodium salt Bp2007
Benzyl paraben Bp2007

 

p-Hydroxybenzoic acid
Synonym: 4-Hydroxybenzoic acid
CAS No.: 99-96-7
Molecular formula: C7H6O3
Structure:
Specifications:
Polymer (Aggregate) grade:
Assay: 99.6%min
Color (APHA): 30 max
Technical (Industry) grade:
Assay: 99%min
Color (APHA): 40 max
Usage: Intermediates of pharmaceuticals, pesticide and dyestuff. Raw material of polymer and nipagin esters, etc.
Packing: 25kg net, or jumbo bags.


Phosphoric acid
Synonym: Orthophosphoric acid
CAS No.: 7664-38-2
Molecular formula: H3PO4
Specifications of 85% Food:
Appearance: Colorless, transparent, syrupy liquid
Color (Hazen): 20 max
Content (H3PO4): 85.0% min
Content of P2O5: 61.0%min
Chloride (Cl): 0.0005%max
F: 0.001% max
Sulfate (SO4 ): 0.005% max
As: 0.5ppm max
Heavy metals (as Pb): 5ppm max
Easy oxidizable matter: 0.012% max
Usage: Food Additive, inorganic raw material.
Packing: 35kg , 330kg plastic drums, 1650kg IBC.
Also 80%, 75%, 70% available.


 
Phosphorous acid
Imidazole
4-Cyano phenol 99.5% LCD, 99%Tech
Sodium ethylate
Benzoyl chloride

Phosphorous acid
Synonym: Phosphonic acid,
CAS No.: 13598-36-2
Molecular formula: H
3PO3
Process: PCl3 virgin hydrolyze, or Phosphite ester by-product, or acyl chloride by-product.
Specifications:
Appearance: White crystalline granules; Clear liquid
Content: 99%, 98.5%cryst; 75%liquid
Chloride(Cl): 0.005%, 0.01%max
Sulfate (SO
4): 0.006%max
Phosphate (PO
4): 0.2%max
Iron (Fe): 0.001%, 0.004%max
Heavy metals (as Pb): 0.001%max
Usage: Inorganic chemical raw material
Packing: Crystal:25kg,500kg,1000kg bags; Liquid:250kg drum,1250kg IBC
 

Imidazole
CAS No.: 288-32-4
Molecular formula: C3H4N2
Structure:

Specifications:
Appearance: White crystalline powder
Identification: Positive
Content: 99.5%min
Melting point: 88~91
Water: 0.3%max
Solution appearance in DI water: Clear, clean, no sediment
PH (25, 5% solution): 9.5~11
Residue on ignition: 0.1%max
Iron (Fe): 10ppm max
Usage: Pharmaceutical intermediate,
Photo, etc.
Packing: 25kg net drums or bags.

4-Cyano phenol
Synonym: p-Hydroxy benzonitrile
CAS No.: 767-00-0
Molecular formula: C7H5ON
Structure:
Specifications:
LCD grade:
Appearance: white crystalline powder
Assay: 99.5 %min
Technical (Industry) grade:
Appearance: off-white crystalline powder
Assay: 99%min
Usage: Intermediate of pesticide pharmaceuticals, perfumery and liquid crystal material, etc.
Packing: 25kg net drums or bags.

Sodium ethylate
Synonym: Sodium ethoxide
CAS No. 141-52-6
Molecular formula:NaOC2H5
Specifications:
Appearance: Light yellow powder; Sticky liquid
Total alkali: 98.5% min; 20~21%
Free alkali: 1.5% max; 0.5%max
Sodium carbonate: 0.5% max.
Usage: Pharmaceutical and pesticide intermediate, for organic synthetic, etc.
Packing: Powder: 70kg drums or 20kg cardboard drums; Liquid: 170kg drums
Sodium methylate also available

Benzoyl chloride
CAS No.: 98-88-4
Molecular formula: C7H5OCl
Structure:
Specifications:
Appearance: Colorless, clear liquid
Assay: 99.2%min
Usage: Pharmaceutical intermediate, Pesticide intermediate, etc.
Packing: 250kg net UV-approved plastic drums.
Acryloyl chloride also available

COPYRIGHT 2004 Nantong Kaixin Pharma Chemical Co.,Ltd.