1.PRODUCT DESCRIPTION :DIETHYL OXALATE
Commodity: Diethyl Oxalate
CAS No.: 95-92-1
Formula: C6H10O4
Specifications:
|
DIETHYL OXALATE |
|
ITEM |
HG/T3272-2002 Standard |
Analysis result |
|
First Grade |
Qualified Grade |
First grade |
|
Apperance |
Colorless and transparent, no visible impurities |
Colorless and transparent, no visible impurities |
|
Ester % ≥ |
98.5 |
97 |
99.9 |
|
Distillation 180-188℃ fraction，ml ≥ |
95 |
93 |
96.0 |
|
Acidity（C2H2O4），% ≤ |
0.2 |
0.3 |
0.048 |
|
Moisture % ≤ |
0.1 |
0.2 |
0.018 |
|
Evaporation residue，% ≤ |
0.005 |
0.01 |
0.0025 |
Packing: 200kg drum
Application：Mainly used in the pharmaceutical industry, It is an intermediate of Phenobarbital, Azathioprine, Sulfadimoxine, Sulfamethoxazole, Carboxyphenyl Penicillin, Eepoxicillin, Chloroquine lactate, Thiabendazole and so on. Also used as a solvent for Cellulose esters and Spices; as acetylene extractant and raw materials for dyes, medicines, perfumes, etc.
2.Melamine (C3H6N6)
Specifications: Purity ≥99.8 percent (high class); purity ≥99.0 percent (first-class)
Applications: An organic chemical intermediate with many applications and homogeneous structure; main applications are raw material for producing melamine-formaldehyde resin, which has greater hardness than urea resin: fire-, water-, heat-, aging-, arc- and chemical corrosion-resistant; good insulating properties, glossiness and mechanical strength; widely used in wood, plastic, paint, paper-making, textile, leather, electrical and medicine industries.
Implemented standard: GB/T9567-1997GB/T9567-1997
Quality standard: GB/T9567-1997GB/T9567-1997
|
Characteristic |
Superior products |
First-class products |
|
Appearance |
|
White powder with no dirt |
|
Purity |
% ≥ |
99.8 |
99.0 |
|
Moisture content |
% ≤ |
0.1 |
0.2 |
|
pH value |
|
7.5－9.5 |
|
Ash content |
% ≤ |
0.03 |
0.05 |
|
Formaldehyde solubility in water |
|
|
|
|
Turbidity (Kaolin turbidity) |
≤ |
20 |
30 |
|
Color (Hazen) |
|
|
|
|
Platinum-cobalt scale |
≤ |
20 |
30 |
Packaging and transport: Plastic woven bag lined with plastic film, net wt 25 kg. Avoid sunlight, heat, and moisture exposure.
3.Resin
Specifications: Three categories, 20 varieties
Applications: Important basic chemical, widely used in production of fiber glass products, synthetic furniture, artificial marble, and art ware; and new materials to replace steel and cut air pollution, protect the environment, and save energy.
Production capacity: 5,000 t/yr
Uses: Mainly for furniture, plates, winding, corrosion prevention, flame retardant agate, and flame retardant plants.
4.Thiourea
Molecular formula: (NH2)2CS
Specifications: 99.0 percent (NH2)2CS (high class), 98.5 percent (NH2)2CS (first class), 98.0 percent (NH2)2CS (qualified)
Applications: Used mainly as medicine intermediate and raw material in paint and resin industries.
Implemented standard: HG／T3266－2002
Quality standard: HG／T3266－2002
|
Characteristics |
Index |
|
Superior products |
First-class products |
Qualified products |
|
Thiourea content |
% ≥ |
99.0 |
98.5 |
98 |
|
Heat loss |
% ≤ |
0.40 |
0.50 |
1.0 |
|
Water insoluble content |
% ≤ |
0.02 |
0.05 |
0.10 |
|
Sulfhydrate content (CHS) |
% ≤ |
0.02 |
0.05 |
0.10 |
|
Melting point C |
≥ |
171 |
170 |
－ |
|
Ash content |
% ≤ |
0.10 |
0.15 |
0.30 |
Packaging and transport: Plastic woven bag with polyethylene lining, net wt 25±0.2 kg or according to customer request. Avoid exposure to moisture.