 |
|
o-aminophenol
|
Colorless,maple or crystal,liable
to solute in aether,solvent in inorganic acid into salt,little
solvent in water and alcohol, difficult to solute in benzene.
Packaging:CP100g
|
|
Technological requirements
|
|
Items
|
Index
|
| Boiling point: |
172-174  |
| Maximum content
of impurity(based on weight) % |
| Dissolution experiment in alcohol |
Up to grade
|
| Dissolution experiment in chlorhydric acid
|
Up to grade
|
| Residue after burning |
0.1
|
|
p-aminophenol
|
Colorless,maple or crystal powder,little
solvent in water and alcohol,not solvent in benzene or chloroform,liable
to turn into purple in light or open air.
Packaging:CP100g
|
|
Technological requirements
|
|
Items
|
Index
|
| Boiling point: |
187-190 |
| Maximum content
of impurity(based on weight) % |
| Dissolution experiment in chlorhydric acid |
Up to grade
|
| Residue after burning |
0.1
|
|
p-nitrophenol
|
Yellow powder,liable to solute in
alcohol,aether and alkaline solution,little solvent in cold
water.Sublimation.Toxic and flammable.
Packaging:CP100g
|
|
Technological requirements
|
|
Items
|
Index(chemical pure)
|
Index(analytical pure)
|
| Content |
99
|
99.5%
|
| Melting point |
113-115 |
113-115 |
| Maximum content
of impurity(based on weight) % |
| Dissolution experiment in alcohol |
Up to grade
|
Up to grade
|
Residue after
burning  |
0.1%
|
0.05%
|
|
o-nitrophenol
|
Canary crystal,special smell,solvent
in hot water,alcohol,aether benzene, carbonyl disulfide and
alkaline solvent solution. Little solvent in cold water.
Packaging:CP100g
|
|
Technological requirements
|
|
Items
|
Index
|
| Colors changing in different
pH: |
Tiny yellow 5-yellow 7
|
| Melting point: |
45-50(2) |
| Maximum content of impurity(based
on weight) % |
| Dissolution experiment in alcohol |
Up to grade
|
| Residue after burning |
0.1
|
|
Phosphorus
oxychloride
|
Colorless transparent liquid,irritating
smell.Decomposed and giving out heat when touching water or
alcohol.
Packaging:CP100ml
|
|
Technological requirements
|
|
Items
|
Index
|
| Boiling point |
104-109 |
104-109 |
| Maximum content
of impurity(based on weight) % |
| Dissolution experiment in water |
Up to grade |
Up to grade |
| Residue after burning |
0.15 |
0.30 |
| Sulfide |
0.02 |
0.05 |
| Heavy metal(based on Pb) |
0.002 |
0.005 |
| Iron(Based on Fe) |
0.001 |
0.002 |
|
p-fluorotoluene
|
Colorless transparent liquid, irritating
smell,volatilization. Solvent in alcohol and aether,not in
water.
Packaging:CP100ml
|
|
Technological requirements
|
|
Items
|
Index
|
| Boiling point: |
115.5-116.5 |
| Maximum content
of impurity(based on weight) % |
| Dissolution experiment in
alcohol: |
Up to grade
|
| Nonvolatile: |
0.12
|
| Acid-alkali value: |
Up to grade
|
| Sulfide: |
Up to grade
|
| Water: |
Up to grade
|
| Residue after treatment by
Sulfuric acid: |
Up to grade
|
|
Acetonitrile
|
Colorless transparent liquid,special
scent,solvent in water and alcohol.
Packaging: 500ml
|
|
Technological requirements
|
|
Items
|
Index(chemical pure)
|
Index(analytical pure)
|
| Boiling point: |
81-82 |
80-82 |
| Maximum content
of impurity(based on weight) % |
| Dissolution experiment in water |
Up to grade
|
Up to grade
|
| PH value |
4.0-8.0
|
4.0-8.0
|
| Hydrogen cyanide |
Up to grade
|
Up to grade
|
| Potassium permanganate |
Up to grade
|
Up to grade
|
| Nonvolatile |
0.01
|
0.02
|
|
BACK PRODUCT
|
|
