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Indole
2,3-Benzopyrrole
 Chemical
Name:2,3-Benzopyrrole,or benzazole
Commodity name:indole
Structural formula:
Molecular formula:C8H7N
Molecular weight:117.15
Characteristics:colorless plates crystal.With special smell
and turns into red-brower color with expose in the air or under
the sunlight. Dissolves in hot water,alcohol,ether,benzene and petroleum
ether. Melting point:51-53 .
Boiling point:253/101.58KPa
| Specification |
I(spice &
essence grade) |
II(industrial
synthetic class)
|
| Appearance |
Colorless
Plates Crystal |
Colorless
powder Crystal |
| Melting range |
52-53ºC |
51-53ºC |
| Pure |
≥99.5% |
≥99% |
| Residue of ignition |
0.05 |
0.1 |
| Iron(Fe) |
0.0005 |
0.0005 |
| Heavy metal(as Pb) |
0.0005 |
0.0005 |
Usage:Indole main use for manufacture perfuncry and falvouring
ingredient, the other medical industry. For example: manufacture
plant-growth regulator (indole-3-acctic acid) and production L-try
ptophan. Another to check gold and nitrite. Reagent for testing
potassium and nitrite.
Packing:25kg,50kg/galvanized iron drum
5-Bromoindole
Chemical name:5-Bromoindole
CAS No.:[10075-50-0]
Chemical structure:
Molecular formula:C8H6NBr
Molecular weight:196.05
Appearance:White and whitish cryst.
Physics and chemical numerical value
Melting Point:90-92
Content: 99%
Packing:25kg Packed in cardboard or iron drum and lined plastic
bag.
Indole-3-formaldehyde
Chemical structure:
CAS No.:[487-89-8]
Chemical structure:
Appearance:Yellow crystal
Melting Point:196-198
Usage:Pharmaceutical intermediate
SPEC
Content:98%
loss on dry: 0.3%
Packing:25kg Packed in cardboard or iron drum and lined plastic
bag.
ADD:Baidian village,shimenkan town,nanjing,china (210014)
Tel:+86-25-84233000 +86-25-84233118 Fax:+86-25-84233228
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