4-Chloroformylphthalic anhydride
P-Phthaloyl Chloride
Phthaloyl dichloride
DNP
3-nitrobenzaldehyde
2,4,5-Trimethoxybenzaldehyde
2,4,5-Trimethoxybenzoic acid
1,1,1,3,3,3-hexafluoropropane(HFC-236fa)
Poly(Vinylidene Fluoride)(PVDF)
5-sulphosalicylic acid
INDOLE

INDOLE

Chemical name: 2,3-Benzopyrrole, or Benzole
Commodity name: Indole
Molecular formula: C8H7N
Molecular weight: 117.15
Structural formula:

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 ehter.
Melting point: 51-53°C
Boiling point: 253°C/101.58Kpa

Specifications: I II III
Appearance Colorless plates crystal
Melying range 52-53 51-53 51-53
Pure >99% ~99% 98-99%
Residue of ingnition 0.05 0.1 0.2
Iron(Fe) 0.0005 0.0005 0.0005
Heavy metal(as Pb) 0.0005 0.0005 0.0005

Usage: indole indole main manufacture perfumery and flavouring in Ingredient, the other medical industry. For example: manufacture plant-growth regulator (indole-3-acetic acid) and production L-tryptophan. Another to check gold and nitrite. Reagent for testing potassium and nitrite.
Package: 25kg, 50kg/galvanized iron drum

 

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