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Phthalide
3-Bromophthalide
2-Carboxybenzaldehyde
Potassium 2,5-dihydroxybenzenesulfonate
p-Phenolsulfonic Acid Sodium Salt
Tetramethylammonium bromide
FERROUS FUMARATE
Tetramethylammonium Hydroxide

Nantong Huanyu Chemicals Co., Ltd.
Add: Yangkou Township Chemical Park, Rudong County, Jiangsu, China.
Zip code: 226407
Contact: Shi Taibing
Tel: +86-13951425530
Fax: +86-0513-84813318
Email: sales@nthuanyuchem.com
URL: www.xbox-kopen.com

 

Potassium 2,5-dihydroxybenzenesulfonate

 

[Molecular formula]: C6H5KO5S

[Molecular weight]: 228.25

[Structural formula]:

             

[Properties]: white crystalline powder, easily soluble in water, soluble in alcohols, Melting point249 - 251℃.

[Quality index]:

Index name Index
Assay %  ≥98.0
Melting point ℃ 249 ~ 251
Sulfate (as SO4) % ≤0.5
Iron (Fe) ppm ≤0.001
Heavy Metals (as Pb) % ≤0.001
Loss on drying   %  ≤0.2

[Uses]:  Widely used in pharmaceutical and organic synthesis industry.

[Packaging, storage & transportation]: 25KG composite bag, lined with double-layer plastic bag or cardboard drum. It is non-toxic, harmless, treated as common chemicals.

 
 
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