|
|
| | CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE Basic information |
| Product Name: | CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE | | Synonyms: | disodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate;CHROMOTROPIC ACID, DISODIUM SALT, REAGENT (ACS)CHROMOTROPIC ACID, DISODIUM SALT, REAGENT (ACS)CHROMOTROPIC ACID, DISODIUM SALT, REAGENT (ACS);CHROMOTROPIC ACID 2SOD 2HYD;Chromotropic acid disodium salt dihydrate puriss. p.a., ACS reagent, for the detection of Ag, ClO3-, Cr, Hg, NO2-, NO32-, Ti, >=99.0% (T);4,5-DIHYDROXYNAPHTHALENE-2,7-DISULFONIC ACID, DISODIUM SALT DIHYDRATE, TEC;4,5-DIHYDROXYNAPHTHALENE-2,7-DISULFONIC ACID, DISODIUM SALT DIHYDRATE, A.C.;4,5-DIHYDROXYNAPHTHALENE-2,7-*DISULFONIC ACID DISOD;CHROMOTROPIC ACID DISODIUM SALT DIHYDRAT E, ACS | | CAS: | 5808-22-0 | | MF: | C10H6Na2O8S2·2H2O | | MW: | 400.28 | | EINECS: | 611-619-6 | | Product Categories: | Building Blocks;Chemical Synthesis;Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds;Analytical Chemistry;Bipyridyls, etc. (Chelating Reagents);Chelating Reagents;Intermediates of Dyes and Pigments;Miscellaneous Biochemicals | | Mol File: | 5808-22-0.mol |  |
| | CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE Chemical Properties |
| Melting point | >300 °C(lit.) | | bulk density | 780kg/m3 | | storage temp. | Store below +30°C. | | solubility | 170g/l | | Colour Index | 57030 | | form | Powder | | color | off-white | | PH | 3.6 (10g/l, H2O, 20℃) | | Water Solubility | Soluble in water. | | Merck | 14,2241 | | BRN | 3647189 | | Stability: | Stable. Incompatible with strong oxidizers, strong acids, acid chlorides, acid anhydrides. Light sensitive. | | InChI | InChI=1S/C10H8O8S2.Na.H2O.H/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;1H2; | | InChIKey | VMMMUWCNLBLZFD-UHFFFAOYSA-N | | SMILES | OC1C=C(S(O)(=O)=O)C=C2C=C(S(O)(=O)=O)C=C(O)C=12.[NaH].O | | CAS DataBase Reference | 5808-22-0(CAS DataBase Reference) |
| Hazard Codes | Xi | | Risk Statements | 36/37/38 | | Safety Statements | 26-36-37/39 | | WGK Germany | 3 | | TSCA | Yes | | HS Code | 29089990 | | Storage Class | 11 - Combustible Solids | | Hazard Classifications | Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| | CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE Usage And Synthesis |
| Chemical Properties | white or gray to tan powder | | Uses | 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, is used to improve the visualization of trichothecenes on developed TLC plates. It serves as an intermediate in the production of dyes, pigments, chelating reagents, sulfonic and sulfinic acids. | | Uses | Chromotropic acid disodium salt dihydrate may be employed as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations. | | General Description | Chromotropic acid disodium salt dihydrate is a tan colored sodium salt. | | Purification Methods | Recrystallise it from H2O or H2O by adding EtOH. It complexes with Ag, ClO3-, Cr, Hg, NO2 , -NO3 and Ti. [Beilstein 11 H 72, 11 I 307, 11 II 174, 11 III 174, 11 IV 576.] |
| | CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE Preparation Products And Raw materials |
|