| Company Name: | J & K SCIENTIFIC LTD. |
| Tel: | 400-666-7788 +86-10-82848833 |
| Email: | jkinfo@jkchemical.com;market3@jkchemical.com |
| Products Intro: |
Product Name:Indigo carMine, high purity biological stain
CAS:860-22-0
Purity:95.0%(E) Package:100G,25G |
| Company Name: | Meryer (Shanghai) Chemical Technology Co., Ltd. |
| Tel: | +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-59487313(Beijing) |
| Email: | sh@meryer.com |
| Products Intro: |
Product Name:Food Blue No. 2
CAS:860-22-0
Purity:>95.0%(E) Package:25g Remarks:F0148 |
| Company Name: | Alfa Aesar |
| Tel: | 400-610-6006; 021-67582000 |
| Email: | saleschina@alfa-asia.com |
| Products Intro: |
Product Name:Indigo carMine
CAS:860-22-0
Package:25g Remarks:A16052 |
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| | Acid Blue 74 Basic information |
| Product Name: | Acid Blue 74 | | Synonyms: | 12070blue;1311blue;1H-Indole-5-sulfonicacid,2-(1,3-d;1h-indole-5-sulfonicacid,2-(1,3-dihydro-3-oxo-5-sulfo-2h-indol-2-ylidene)-2,3;1H-Indole-5-sulfonicacid,2-(1,3-dihydro-3-oxo-5-sulfo-2h-indol-2-ylidene)-2,3-dihydro-3-oxo-,disodiumsalt;2’)-biindoline)-5,5’-disulfonicacid,3,3’-dioxo-(delta(supdisodiumsalt;5,5’-indigotindisulfonicacid;a.f.blueno.2 | | CAS: | 860-22-0 | | MF: | C16H8N2Na2O8S2 | | MW: | 466.35 | | EINECS: | 212-728-8 | | Product Categories: | Analytical Chemistry;Food Colors by Food Sanitation Law in Japan;Indicator (pH);pH Indicators;Indicator SolutionsTitration;Indicators;Redox Indicators;Titration | | Mol File: | 860-22-0.mol |  |
| | Acid Blue 74 Chemical Properties |
| | Acid Blue 74 Usage And Synthesis |
| Chemical Properties | purple powder | | Usage | 5,5’Indigodisulfonic Acid Disodium Salt is a food additive that is widely used in the market. 5,5’Indigodisulfonic Acid Disodium Salt was also used as a dye for cationic cotton fabrics. | | General Description | Indigo to dark blue powder. | | Air & Water Reactions | Water soluble. | | Reactivity Profile | Sensitive to light. Very sensitive to oxidizing agents. Color is readily discharged by nitric acid, chlorates, etc. Color of aqueous solutions fades on standing. | | Fire Hazard | Flash point data for Acid Blue 74 is not available, but Acid Blue 74 is probably combustible. |
| | Acid Blue 74 Preparation Products And Raw materials |
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