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| CAS No.: | 17372-87-1 |
|---|---|
| Name: | Acid Red 87 |
| Article Data: | 6 |
| Molecular Structure: | |
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| Formula: | C20H6Br4Na2O5 |
| Molecular Weight: | 645.881 |
| Synonyms: | Pure Eosine YY;Red No. 103;ABCO Eosin;Eosine BPC;Eosine BS-SF;EosineDWC 73;Eosine Extra Yellowish;EosineG;Eosine GH;Eosine K;Eosine LakeRed Y;Eosine S;Eosine Salt Free;Eosine Y 90133;Eosine YS;Eosine Yellowish;Eosine sodium salt;Eosine water-soluble;Food Red 103;Hidacid Bromo acid regular;Hidacid Eosine Soda Salt;Irgalite Bronze Red CL;Japan Red 230-1;JapanRed No. 103;Orient WaterRed 2;Phlox Red Toner X 1354;Phloxine Toner B;Aizen Eosine GH;Basacid Red 316;Bromo 4DL;Bromo FL;Bromo TS;Bromo XX;Bromoeosine; |
| EINECS: | 241-409-6 |
| Density: | 1.02 g/mL at 20 °C |
| Melting Point: | >300 °C |
| Boiling Point: | 682.3oC at 760mmHg |
| Flash Point: | 11°C |
| Solubility: | freely soluble in water |
| Appearance: | brownish-red powder |
| Hazard Symbols: |
 F,  T,  Xn,  Xi
|
| Risk Codes: | 11-23/24/25-39/23/24/25-52/53-41-22-36-10 |
| Safety: | 7-16-36/37-45-24/25-61-39-26 |
| Transport Information: | UN 1230 3/PG 2 |
| PSA: | 81.65000 |
| LogP: | 7.59220 |
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Consensus Reports
Specification
The IUPAC name of Bromoeosine is disodium 2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate. With the CAS registry number 17372-87-1, it is also named as Acid red 87; Eosine Yellowish. The poduct's categories are dyes and pigments; organics; hematology and histology; hematology stains; stains and dyes; fluorescent labels; fluorescent probes, labels, particles and stains; other fluorescent labels. It is brownish-red powder which is stable and incompatible with strong oxidizing agents. When heated to decomposition Bromoeosine emits very toxic fumes of Br- and Na2O. In addition, the storage environment should be ventilate, low-temperature and dry.
The other characteristics of this product can be summarized as: (1)ACD/LogP: 6.36; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 4.18; (4)ACD/LogD (pH 7.4): 2.26; (5)ACD/BCF (pH 5.5): 264.1; (6)ACD/BCF (pH 7.4): 3.2; (7)ACD/KOC (pH 5.5): 452.21; (8)ACD/KOC (pH 7.4): 5.48; (9)#H bond acceptors: 5; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 3; (12)Enthalpy of Vaporization: 105.14 kJ/mol; (13)Vapour Pressure: 1.49E-19 mmHg at 25°C; (14)Rotatable Bond Count: 1; (15)Exact Mass: 691.67032; (16)MonoIsotopic Mass: 687.674413; (17)Topological Polar Surface Area: 89.5; (18)Heavy Atom Count: 31; (19)Complexity: 797.
Uses of Bromoeosine: It is acid dye which can be used to stain cytoplasm, collagen and muscle fibers for examination under the microscope. And it is also used as adsorption indicator.
When you are using this chemical, please be cautious about it as the following:
It is highly flammable, so people should keep away from sources of ignition. And it is toxic by inhalation, in contact with skin and if swallowed, so people must avoid contact with skin and eyes. In addition, Bromoeosine is harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) Avoid release to the environment and keep container tightly closed.
People can use the following data to convert to the molecule structure.
1. SMILES: [Na+].[Na+].[O-]C(=O)c4ccccc4C=1c3cc(Br)c([O-])c(Br)c3OC=2C=1\C=C(\Br)C(=O)C=2Br;
2. InChI: InChI=1/C20H8Br4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2.
The following are the toxicity data which has been tested.
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 2344mg/kg (2344mg/kg) | Eastern Pharmacist. Vol. 24, Pg. 125, 1981. | |
| rabbit | LDLo | intravenous | 300mg/kg (300mg/kg) | International Journal of Leprosy and Other Mycobacterial Diseases. Vol. 2, Pg. 257, 1934. | |
| rat | LDLo | intraperitoneal | 500mg/kg (500mg/kg) | International Journal of Leprosy and Other Mycobacterial Diseases. Vol. 2, Pg. 257, 1934. |