Chemical Indicators

2-METHYL-4-OXOPENTANE-2-THIOL >=99% FG

2-METHYL-4-OXOPENTANE-2-THIOL >=99% FG

2-METHYL-4-OXOPENTANE-2-THIOL >=99% FG

3-((2-Chloro-4-(4,6-diamino-2,2-dimethyl-1,3,5-triazin-1(2H)-yl)phenoxy)methyl)-N,N-dimethylbenzamide.

3-((2-Chloro-4-(4,6-diamino-2,2-dimethyl-1,3,5-triazin-1(2H)-yl)phenoxy)methyl)-N,N-dimethylbenzamide.

General description 3-(2-Pyridyl)-5,6-di(2-furyl)-1,2,4-triazine-5&#8242:,5&#8242:&#8242:-disulfonic acid disodium salt, also known as Ferene, is commonly used to measure the concentration of iron ions in aqueous solutions. The reagent is

Analysis Note Assay (GC, area%): &#8805 98.0 % (a/a) Melting range (lower value): &#8805 153 &#176C Melting range (upper value): &#8804 156 &#176C Identity (IR): passes test

Analysis Note Assay (GC, area%): &#8805 98.0 % (a/a) Melting range (lower value): &#8805 153 &#176C Melting range (upper value): &#8804 156 &#176C Identity (IR): passes test

4-NITROPHENOL INDICATOR 100 G

4-NITROPHENOL INDICATOR 100 G

4-NITROPHENOL INDICATOR 100 G

Benzenesulfonyl chloride is prepared by reaction of benzene and chlorosulfonic acid or from the sodium salt of benzenesulfonic acid and PCl5 or POCl3. It reacts with Grignard reagent from N-unsubstituted indoles to form oxindoles or substituted