| Product Identification | Back to Contents | 【Product Name】
Disodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate | 【Synonyms】
1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt
5,5'-Indigodisulfonic acid disodium salt
Acid Blue 74
C.I. 73015
Food Blue 1
Soluble indigo blue | 【CAS】
860-22-0 | 【Formula】
C16H8N2Na2O8S2 | 【Molecular Weight】
466.36 | 【EINECS】
212-728-8 | 【RTECS】
DU3000000 | 【RTECS Class】
Tumorigen; Drug; Mutagen | 【Merck】
13,4969 | 【Beilstein/Gmelin】
4103904 | 【Beilstein Reference】
2-25-00-00296 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Dark blue powder. | 【Solubility in water】
10 g/L (25 C) | 【Melting Point】
>300 | 【Usage】
Used in drugs, cosmetics; baked goods, cereals, snack foods, ice cream, confections, cherries, biscuits, sweets and test kidney function. |
| First Aid Measures | Back to Contents | 【Ingestion】
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Skin】
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. SPEEDY ACTION IS CRITICAL! |
| Handling and Storage | Back to Contents | 【Storage】
Keep containers tightly closed. Store protected from light. Store in a cool, dry area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Store protected from light. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed. | 【Inhalation】
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | 【Skin】
May cause skin irritation. | 【Eyes】
This product contains a cationic dye. Similar dyes have caused permanant injury to the cornea and conjunctiva in documented exposure cases with human or rabbit eyes. | 【EC Risk Phrase】
R 22 | 【EC Safety Phrase】
S 22 36/37 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Respirators】
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. | 【Poison Class】
4 (Substances and products that must be considered harmful) |
| Fire Fighting Measures | Back to Contents | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Incompatibilities】
Oxidizing agents, nitric acid. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen. |
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| Company Name: | J & K SCIENTIFIC LTD. |
| Tel: | 400-666-7788 +86-10-82848833 |
| Fax: | +86-10-82849933 |
| WebSite: | www.jkchemical.com |
| Company Name: | Meryer (Shanghai) Chemical Technology Co., Ltd. |
| Tel: | +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-59487313(Beijing) |
| Fax: | +86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) |
| WebSite: | www.meryer.com |
| Company Name: | Alfa Aesar |
| Tel: | 400-610-6006; 021-67582000 |
| Fax: | 021-67582001/03/05 |
| WebSite: | www.alfachina.cn |
| Company Name: | Energy Chemical |
| Tel: | 021-58432009 / 400-005-6266 |
| Fax: | 021-58436166-800 |
| WebSite: | www.energy-chemical.com |
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