Iron(2+) citrate
Citric acid, iron(2+) salt
CAS: 23383-11-1
Molecular Formula: C6H8FeO7
Iron(2+) citrate - Names and Identifiers
| Name | Citric acid, iron(2+) salt |
| Synonyms | HSDB 460 UNII-33KM3X4QQW Ferrous citrate ron (II) citrate Iron(2+) citrate Iron(II) citrate Iron Citrate anhydrous Monoferrous acid citrate monoferrous acid citrate citric acid, iron(2+) salt Citric acid, iron(2+) salt Ferrous citrate Monohydrate Iron(2+) 2-hydroxy-1,2,3-propanetricarboxylate 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, iron(2+) salt |
| CAS | 23383-11-1 |
| EINECS | 245-625-1 |
| InChI | InChI=1/C6H8O7.Fe/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);/q;+2 |
Iron(2+) citrate - Physico-chemical Properties
| Molecular Formula | C6H8FeO7 |
| Molar Mass | 247.97 |
| Melting Point | decomposes under H2 at 350℃ [CRC10] |
| Boling Point | 309.6°C at 760 mmHg |
| Flash Point | 155.2°C |
| Water Solubility | insoluble H2O, alcohol, acetone [MER06] |
| Vapor Presure | 5.73E-05mmHg at 25°C |
| Physical and Chemical Properties | Slightly gray-green powder or white crystals. |
Iron(2+) citrate - Reference Information
| identification test | citrate test (IT-13) and ferrous salt test (IT-19) of 10% sample solution were both positive. |
| content analysis | (ferrous) accurately weigh about 0.4g of sample, dissolve in (16-100) dilute sulfuric acid 20rnl, add 5ml of 85% phosphoric acid, dilute with water to about 50ml, add n-phenanthroline test solution (TS-162) and immediately titrate with 0.1mol/L percerium sulfate. At the same time, blank titration is performed and necessary correction is made. 0.1mol/L cerium sulfate per mL is equivalent to Fe 5.585mg. |
| usage limit | GB 14880-94(mg/kg): cereals and their products 24~48; Beverage 10~20; Dairy products, infant food 60~100; Food, sandwich sugar 600~1200 (all calculated by Fe). |
| use | ferrous citrate is used as a nutritional supplement in the food industry and can be used in dairy products. |
| category | toxic substances |
| flammability hazard characteristics | combustible, the fire field discharges spicy and irritating smoke containing iron oxide |
| storage and transportation characteristics | warehouse low temperature, ventilation, drying |
| fire extinguishing agent | water, carbon dioxide, dry powder, sand |
| occupational standard | TWA 1 mg (iron)/m3; STEL 2 mg (iron)/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 15:16:45
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