potassium 7-hydroxynaphthalenesulphonate
Potassium 2-Naphthol-8-sulfonate
CAS: 30252-40-5
Molecular Formula: C10H7KO4S
potassium 7-hydroxynaphthalenesulphonate - Names and Identifiers
| Name | Potassium 2-Naphthol-8-sulfonate |
| Synonyms | BAYER'S ACID CROCEIC ACID CROCETIN, trans-(RG) POTASSIUM 2-NAPHTHOL-8-SULFONATE Potassium 2-Naphthol-8-sulfonate potassium 7-hydroxynaphthalenesulphonate 2-NAPHTHOL-8-SULFONIC ACID POTASSIUM SALT POTASSIUM 7-HYDROXY-1-NAPHTHALENESULFONATE 7-HYDROXY-1-NAPHTHALENESULFONIC ACID POTASSIUM SALT |
| CAS | 30252-40-5 |
| EINECS | 250-101-0 |
| InChIKey | UZBFJXMJCARTGH-UHFFFAOYSA-M |
potassium 7-hydroxynaphthalenesulphonate - Physico-chemical Properties
| Molecular Formula | C10H7KO4S |
| Molar Mass | 262.32 |
| Solubility | It is extremely difficult to dissolve in water and commonly used organic solvents except pyridine and organic bases similar to pyridine. |
| Appearance | Crystalline powder |
| Color | White to Gray to Brown |
| Storage Condition | Inert atmosphere,Room Temperature |
| MDL | MFCD00065327 |
potassium 7-hydroxynaphthalenesulphonate - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
potassium 7-hydroxynaphthalenesulphonate - Reference Information
| Overview | crocetin scientific name 2-naphthol-8-sulfonic acid. Colorless crystals. For the manufacture of acidic and direct azo dyes. From 2-naphthol with 98% sulfuric acid sulfonation at low temperature, adding soda ash to precipitate a small amount of Schiff's acid, filtered off from the mother liquor. |
| saffron | saffron, also known as Crocus sativus, Crocus sativus, and Uygur drug name Renfa. It is the upper part of the style and stigma of Crocus sativus L. China's Beijing, Shanghai, Shandong, Zhejiang, Sichuan, Xinjiang, there are a small number of experimental cultivation, abroad in Spain, Iran, Italy, Germany, France, Greece, Austria, the former Soviet Union and Japan were cultivated. Wet saffron stigma red-brown, oily luster, elongated linear, about 3cm long, Base Narrow, gradually widened to the top, inside a short crack, the apical edge of irregular teeth. Stigma often exists alone, sometimes three stigma associated with a short style. The style is orange-yellow in color. When immersed in water, the stigma expands and swells to a long-horns shape, and the water is stained yellow. The breath is sweet and bitter. With moist and shiny, red, yellow silk less is better. Dried saffron is curved, filamentous, dark red-brown with a yellowish-brown portion. Quality is relaxed, without luster and oily feeling, and the rest is the same as wet saffron. |
| crocetin acid ethyl ester | crocetin acid ethyl ester has strong penetration and permeability, orange oil natural, fresh apple, rose and trichosanone flavors, with a woody odour. Can stay on the smell paper for several days. crocetin ethyl ester is widely used in soaps and washing powders, but it is mainly used in perfumes and toilet essences. Widely used in the formulation of rose flavor, even if the small content can play a penetrating effect of the head. The product content of 1%, can also be used for fruit flavor, especially apple, pear flavor formula, in these daily flavor can play the main role of Rose-wood. The product can give a good natural effect to the essence. From crocetin and ethanol esterification reaction. |
| production method | naturally occurring in the fruit of Gardenia jasminoides, the flowers and leaves of a plant of the family Scrophulariaceae: The Fall-cutting flower. 2-naphthol -8-sulfonic acid was prepared by sulfonating 2-naphthol with 98% sulfuric acid at low temperature, adding soda ash to precipitate a small amount of Schiff acid, and filtering off the precipitate to obtain 2-naphthol -8-sulfonic acid from the mother liquor. |
Last Update：2024-04-10 22:29:15
Supplier List
Spot supply
Product Name: Croceic Acid Visit Supplier Webpage Request for quotationCAS: 30252-40-5
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052
Wechat: 15671228036
Multiple SpecificationsSpot supply
Product Name: Potassium 2-Naphthol-8-sulfonate Visit Supplier Webpage Request for quotationCAS: 30252-40-5
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
Spot supply
Product Name: Croceic Acid Visit Supplier Webpage Request for quotationCAS: 30252-40-5
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052
Wechat: 15671228036
Multiple SpecificationsSpot supply
Product Name: Potassium 2-Naphthol-8-sulfonate Visit Supplier Webpage Request for quotationCAS: 30252-40-5
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
View History