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shanghai holdenchem co.,ltd

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1. 2-Methylimidazole

2-Methylimidazole
Cas no:693-98-1 UN 3259 8/PG 2
Appearance:white to offwhite crystalline powder Assay: 99.0% Packing:25kg carton drum(38*54) lined with two plastic bags

2. Tannic Acid

Tannic Acid 81% Min. ( Industry Grade )
Synonyms: Gallotannin; Gallotannic acid; Digallic Acid, Glycerite, Tannin H.S. Code: 32019090
CAS No.:1401-55-4
Propertics : Light yellow to light brown powder Tannin Acid :81% min. loss on drying: ...

3. Pyrogallol

Pyrogallic Acid 98.5%
cas no: 87-66-1
MP:132-135'C
HS CODE: 29181990.90
UN NO: 2811
Hazard Code:6.1
PACKING GROUP:III
Package: 25Kg/Drum
pplication: Pyrogallol is the oldest photographic developer. Pyrogallol can be used in gas ...

4. N,N-carbonyldiimidazole

N,N-carbonyldiimidazole Properties:Appearance white crystal powder Cas no:530-62-1 UN 3263 8/PG 2 Assay:99% Melting Point 116.0~122.0℃ Use:Important condensation agent to synthesize nucleoside triphosphates, peptide-triphosphate and triphosphate; ...

5. 1-Methylimidazole

Cas No: 616-47-7 Un 3267, CL.8 Pkg III Appearance Colorless to faint yellow transparent liquid Assay 99.0% USE:intermediate of organic synthesis, resin curing agent and cohesive, etc Packing: plastic drum; net weight: 25kg or 200kg

Packing: ...