|
Trimesic
acid
Molecular Formula: C9H6O6
Molecular Weight:210
Constitutional£º
Description£ºA White Crystalline Powder
Quality Index
| Item |
Quality Standard |
| Assay |
¡Ý99 |
| acidity£¨mgKOH/g£© |
780¡«800 |
| Loss on drying |
<0.5% |
Package: Paper board barrel.
Net weight: 25kg

White Petrolatum PS 8000wt/y
Brief Introduction:
Colorless, odorless and transparent liquid with special lubricating
property, plasticizing property and moisture-keeping property. Its
chemical and light stability is better than same ones made in foreign
countries. It is mainly used for lubricating the inner part ofpolystyrene
and as the raw material of cosmetics, food, medicine, etc..
Quality Standards:
|
Item
|
Index
|
|
Density£¨15.5¡æ)g/cm3
|
0.850-0.880
|
|
Kinetic Viscosity£¨38¡æ£©mm2/s
|
30-85
|
|
Flow Point ¡æ<
|
-9.4
|
| Refractive Index |
 |
|
1.470-1.480
|
|
Distillation Range 1.333¡Á10-3MPa
Distillate Quantity at 240¡æ %<
|
2.5
|
2-Vinyl
Pyridine 300wt/y
Brief Introduction:
It is used form synthesizing butadiene-styrenevinylpyridine latex,
making poly-2-vinylpyridine-N-oxide, ion-exchange resin, chemical
film, etc..
Quality Index
|
Item
|
Quality Standard
|
Test Procedure
|
|
Content¡Ý
|
98%
|
Gas Chromatography
|
|
Autopolymer
|
Up to standard
|
Light petroleum titrimetry
|
|
Moisture (w/vol)
|
¡Ü0.5%
|
Karl Fischer Method
|
|
Retarder %
|
0.08-0.12
|
|
|
Specific Gravity
|
0.974-0.976
|
|
|
Appearance
|
Colorless transparent liquid
|
Visual observation
|
Phloroglucin
60wt/y
Brief Introduction:
It is used for synthesizing health-care products, as the raw material
for dyes, stablizer and corrosion resistant agent for textiles and
leather, as the substitute for silver iodide in rain making, the
raw materials of plastic capsule, etc.. It is also used to make
intermediates, photosensitive duplicating paper medicament, general
reagent, etc..
Quality Index
|
Item
|
Quality Standard
|
Test Procedure
|
|
Content¡Ý(%)
|
99
|
liquid phase chromatography
|
|
Melting Point(¡æ)
|
215-219 (2¡æ spacer)
|
|
|
Moisture (%)wt
|
¡Ü0.5
|
Karl Fischer Method
|
|
Appearance
|
White to primrose
|
Visual observation
|
2-Chloride-4-Aminopyridine
30wt/y
Brief Introduction:
2-chloride-4-aminopyridine is a chemical intermediate for pharmacy
and agriculture.
Quality Index
|
Item
|
Quality Standard
|
Test Procedure
|
|
Content>(%)
|
98
|
liquid phase chromatography
|
|
Melting point(¡æ)
|
90-94¡æ(2¡æ spacer)
|
|
|
Moisture(%)wt¡Ü
|
0.5
|
Karl Fischer Method
|
|
Appearance
|
White or primrose needle crystal
|
Visual observation
|
2-Chloride-4-Cyanpyridine
30wt/y
Brief Introduction:
2-chloride-4-cyanpyridine is a chemical intermediates for pharmacy
and pesticides.
Quality Index
|
Item
|
Quality Standard
|
Test Procedure
|
|
Content>(%)
|
98
|
liquid phase chromatography
|
|
Melting point(¡æ)
|
66-69¡æ(2¡æ spacer)
|
|
|
Moisture(%)wt¡Ü
|
0.5
|
Karl Fischer Method
|
|
Appearance
|
White or primrose needle crystal
|
Visual observation
|
VPL 5000wt/y
Brief Introduction:
VPL is a tribasic polymer emulsion of butadiene, phenylethylene
and 2-vinylpyridine. It is an indespensable adhesive for textile
or the curtain framework and rubber, widely applied to rubber products.
Quality Index
|
Item
|
Products of this project
|
|
Total solids %£¨wt)
|
¡Ý40
|
|
»úÎÈ%£¨wz)
|
0.35
|
|
Viscosity Mpa.s
|
20-30
|
|
Surface Tension mN/m
|
50¡À5
|
|
Foam height Cm
|
85
|
|
Adhesive PowerN/cm
|
176
|
|