| English Name: | Propylene Glycol (PG) |
| CAS NO. |
[57-55-6] |
| Molecular formula: |
C3H8O2 |
| Specifications: |
USP grade |
|
Appearance: |
Colorless, transparent and sticky liquid |
|
Purity: |
99.8% min. |
|
|
Water: |
0.2% max. |
|
|
Initial boiling point: |
182C |
|
|
Drying point: |
189C |
|
|
Distillation Range: |
184-189C |
|
|
Color(Pt-Co): |
10 |
|
|
Ash: |
0.01% max. |
|
|
Heavy Metal(Measured withPb): |
6ppm max. |
|
|
Arsenic: |
5ppm max. |
|
|
chlorides(Cl): |
10ppm max. |
|
|
Sulphates(SO4): |
10ppm max. |
|
|
Density: |
(25?)g/cm3: 1.037-1.039 |
|
|
|
|
| English name: |
3,5-Difluoro-4-Cyanophenol |
| CAS NO. |
[123843-57-2] |
| Abbreviation: |
3,5-DFCP |
| Molecular Formula: |
C7H 3F 2O |
| Usage: |
Mainly used as Intermediates of Liquid Crystal materials and Medicine. |
| Specification |
Apperance White crystal |
|
Purity: 99.5% min(GC) |
|
Melting point: 125 -135C |
|
|
| English Name: |
4,4'-Dihydroxydiphenyl Ether; 4,4'-Oxydiphenol; |
|
p,p'-Oxydiphenol; |
| CAS NO. |
[ 1965-09-9 ] |
| Molecular formula: |
C12H10O3 |
| Molecular weight: |
202.21 |
| Application: |
It is important intermediate. |
| Specification: |
Appearance White powder |
|
Purity: 99% MIN |
|
Melting Point: 165-168 D.C |
|
Loss on drying: 0.2% MAX |
|
|
| English Name: |
4,4'- Biphenyldicarboxylic Acid; Biphenyl-4,4'-dicarboxylic acid |
| CAS NO. |
[787-70-2] |
| Application: |
It is important intermediate. |
| Specification: |
Appearance White powder |
|
Purity 99% MIN |
|
Melting point 301 D.C |
|
|
| English Name: |
4-(Trans-4-propylcyclohexyl) phenylacetylene |
| Molecular formula: |
C17H22 |
| Molecular weight: |
226 |
| Property: |
Light yellow solid or liquid |
| Application: |
Used for liquid crystal intermediate |
| Specification: |
Appearance Light yellow solid |
|
Purity 98.0% min(GC) |
|
Water Content 500ppm max |
|
|
| English Name: |
4-(trans-4-n-pentylcyclohexyl)benzoic acid |
| CAS NO. |
[65355-30-8] |
| Specification: |
Appearance: White crystals. |
|
Purity: 99.0% min. (G.C.) |
|
|
| English Name: |
ANTHRACENE |
| CAS NO. |
[120-12-7] |
| Packing: |
25KG kraft paper drum. |
| Specification: |
Appearance: |
Off-white crystalline powder |
|
Assay: |
99% min. (GC) 95% min.(GC) 90% min. (G.C.) |
|
Melting point: |
215-216C 214C min. 212C min. |
| Application: |
It is mainly used in the production of Anthraquinone,dyestuff, pigment, tannic acid. It also can be used in pesticide, bactericide. |
|
|
| English Name: |
Calcium Fluoride (optical grade / Fluorescent grade) |
| CAS NO. |
[7789-75-5] |
| H.S. CODE: |
2826190090 |
| Specifications: |
Fluorescent grade optical grade |
|
(crystal growing) |
|
CaF2: |
99.0% MIN. |
99.8% min. |
|
LOSS ON DRYING: |
0.5% MAX. |
0.05% max. |
|
Cl: |
0.05% MAX. |
0.01% max. |
|
SO4: |
0.01% MAX. |
0.01% max. |
|
Fe: |
0.0015% MAX. |
0.0015% max. |
|
Pb: |
0.0015% MAX. |
0.0015% max. |
|
N: |
|
0.005% max. |
|
Si: |
|
0.01% max. |
| Application: |
Optical grade: It is the crystal materials, it is used to make crytal growing and coating film. |
|
Fluorescent grade: It is a high-tech chemical product. It is the raw materials of manufacture of Fluoride artificial crystal. It is widely used in analysis instrument, Optical glass material, as fusing agent for the production of the metal, fluorescent material, achromatic lens, light filter base board and etc. It also can be used in the production of Fluorescent Powder and other usual fined chemical products. |
|
|
| English Name: |
Lithium Bromide Solution 55% |
| CAS No. |
7550-35-8 |
| M.F. |
LiBr |
| M.W. |
86.85 |
| Packing: |
300kgs(200L) Plastic drum. |
| Specification: |
Appearance: Clear yellow liquid. |
|
Content: |
55% min. |
|
|
Ca: |
0.001% max. |
|
|
Mg: |
0.0002% max. |
|
|
Fe: |
0.0001% max. |
|
|
Cl: |
0.05% max. |
|
|
PH value: |
9-10.5 |
|
|
NH3: |
0.0001% max. |
|
|
SO4: |
0.02% max. |
|
|
Inhibitor (as your need) |
|
-- |
Li2CrO4: |
0.2-0.25% |
|
-- |
Li2MoO4: |
0.02-0.03% |
| Application: |
Mainly used as absorbent, refrigerant, dehydrochlorinating agent, organic fibre sweller and catalyst & sedative in medical line |
|
|
| English Name: |
Lithium Bromide Anhydrous 99% |
| CAS NO. |
[7550-35-8] |
|
| Specifications: |
Conent: |
99.0% min. |
|
|
Ca: |
0.005% max. |
|
|
Mg: |
0.001% max. |
|
|
Fe: |
0.0005% max. |
|
|
Cl: |
0.1% max. |
|
|
Alkalinity: |
0.04% max. |
|
|
SO4: |
0.02% max. |
|
|
H2O: |
0.5% max. |
|
|
Insolubles in water: |
0.04% max. |
|
|
|
| English Name: |
Magnesium Fluoride 99.99% / coating film grade |
| Use: |
It used for coating film. |
| Specifications: |
Appearance: White crystals |
| |
| Purity: |
99.99% min |
| Al: |
41ppm max |
Ba: |
0.85ppm max |
| Ca: |
23ppm max |
Fe: |
6.9ppm max |
| Mn: |
19ppm max |
Sr: |
0.05ppm max |
| Ti: |
2.1ppm max |
Zn: |
2.0ppm max |
| Cu,Co,Cr,Ni,V,P,Pb(each): |
1.0ppm max |
|