Xylenol orange tetrasodium salt
Synonym(s):3,3′′-Bis[bis(carboxymethyl)aminoethyl] cresol sulfone phtrane sodium salt;3,3′-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetrasodium salt;Xylenol orange tetrasodium salt
- CAS NO.：3618-43-7
- Empirical Formula: C31H33N2NaO13S
- Molecular Weight: 696.66
- MDL number: MFCD00044293
- EINECS: 222-805-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-19 20:05:46
What is Xylenol orange tetrasodium salt?
Chemical properties
red-brown to purple crystalline powder
The Uses of Xylenol orange tetrasodium salt
Xylenol Orange tetrasodium salt is used as a photometric reagent and a metal indicator. It is a versatile indicator for EDTA titrations in acidic range. It is a common organic reagent used as an indicator for metal titrations.
What are the applications of Application
Xylenol Orange tetrasodium salt is a fluorochrome useful in single and polychrome sequential labeling
General Description
It is an acid dye or a vital stain, that is used as a fluorescent marker of bone growth.
Purification Methods
It is generally contaminated with starting material (cresol red) and semi-xylenol orange. Purify it by ion-exchange chromatography using DEAE-cellulose, eluting with 0.1M NaCl solution, which will give the sodium salt [3618-43-7] . Cresol Red, semi-xylenol orange and iminodiacetic acid bands elute first. This procedure will give the sodium salt of the dye. To obtain the free acid, dissolve the salt in H2O and acidify it with AcOH. Filter it off, wash it with H2O and dry it first in air and then in a vacuum desiccator over P2O5 in the dark [Sato et al. Anal Chim Acta 94 317 1977]. [Beilstein 19 II 111, 19 III/IV 1135, 19/3 V 461.]
Properties of Xylenol orange tetrasodium salt
| Melting point: | 195 °C (dec.)(lit.) |
| Flash point: | 93.3°C |
| storage temp. | room temp |
| solubility | 510g/l |
| form | Solid |
| color | Red |
| Odor | Odorless |
| PH | 8.1 (10g/l, H2O, 20℃) |
| Water Solubility | 510 g/L (20 ºC) |
| Stability: | Stable, but may be moisture sensitive. |
| CAS DataBase Reference | 3618-43-7(CAS DataBase Reference) |
| EPA Substance Registry System | Glycine, N,N'-[(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylene]]bis[N-(carboxymethyl)-, tetrasodium salt (3618-43-7) |
Safety information for Xylenol orange tetrasodium salt
Computed Descriptors for Xylenol orange tetrasodium salt
Xylenol orange tetrasodium salt manufacturer
Esjay Chemicals
GSP Dyes and Chemicals Pvt.Ltd
Anubhav Business Corporation
Anand Agencies
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