CAS 125-31-5: Xylenol blue

Description: Xylenol blue, with the CAS number 125-31-5, is a synthetic organic compound commonly used as a pH indicator and a dye in various applications. It is characterized by its ability to change color in response to pH variations, typically transitioning from yellow in acidic conditions to blue in alkaline environments. This property makes it valuable in analytical chemistry, particularly in titrations and as a visual indicator in laboratory settings. Xylenol blue is soluble in water and exhibits a strong absorbance in the visible spectrum, which allows for easy detection and quantification. Additionally, it is often utilized in biological and environmental studies to assess the acidity or alkalinity of solutions. The compound is generally considered safe for use in laboratory settings, although appropriate safety measures should be taken to avoid ingestion or prolonged skin contact. Overall, xylenol blue serves as an important tool in both educational and professional chemistry contexts.

Formula: C₂₃H₂₂O₅S

InChI: InChI=1S/C23H22O5S/c1-13-11-20(24)15(3)9-18(13)23(19-10-16(4)21(25)12-14(19)2)17-7-5-6-8-22(17)29(26,27)28-23/h5-12,24-25H,1-4H3

InChI key: InChIKey=MGUKYHHAGPFJMC-UHFFFAOYSA-N

SMILES: O=S1(=O)OC(C2=CC(=C(O)C=C2C)C)(C3=CC(=C(O)C=C3C)C)C=4C=CC=CC41

Synonyms:

• 1,4-Dimethyl-5-hydroxybenzenesulfonphthalein
• 2,5-Xylenol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide
• 2-[(Z)-(2,5-dimethyl-4-oxocyclohexa-2,5-dien-1-ylidene)(4-hydroxy-2,5-dimethylphenyl)methyl]benzenesulfonic acid
• 3H-2,1-Benzoxathiole, phenol deriv.
• 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2,5-dimethylphenol)
• 4,4-(3H-2,1-benzoxathiol-3-ylidene)bis(2,5-dimethylphenol) S,S-dioxide
• 4,4′-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethylphenol]
• NSC 10471
• Phenol, 4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethyl-
• Phenol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethyl-, S,S-dioxide
• p-Xylenesulfonephthalein
• p-Xylenol blue
• p-Xylenolsulfonephthalein
• p-Xylenolsulfonphthalein
• p-Xylenolsulfophthalein

Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethyl-

CAS: 125-31-5

• Formula: C₂₃H₂₂O₅S
• Purity: 98%
• Color and Shape: Solid
• Molecular weight: 410.4827799999999

Xylenol Blue

CAS: 125-31-5

• Formula: C₂₃H₂₂O₅S
• Color and Shape: Red-brown to dark brown powder
• Molecular weight: 410.49

Xylenolblue

CAS: 125-31-5

Xylenolblue (p-Xylenol Blue) is an acid-base indicator used as an intermediate in chemical synthesis.

• Formula: C₂₃H₂₂O₅S
• Purity: 98%
• Color and Shape: Liquid
• Molecular weight: 410.48

p-Xylenol Blue

CAS: 125-31-5

• Formula: C₂₃H₂₂O₅S
• Purity: >95.0%(HPLC)
• Color and Shape: Orange to Brown to Dark purple powder to crystal
• Molecular weight: 410.48

Xylenol blue

CAS: 125-31-5

Please enquire for more information about Xylenol blue including the price, delivery time and more …

• Formula: C₂₃H₂₂O₅S
• Purity: Min. 95.0 Area-%
• Molecular weight: 410.49 g/mol

Xylenol blue

CAS: 125-31-5

Please enquire for more information about Xylenol blue including the price, delivery time and more …

• Formula: C₂₃H₂₂O₅S
• Purity: Min. 95 Area-%
• Color and Shape: Powder
• Molecular weight: 410.48 g/mol

p-Xylenol Blue extrapure AR, 95%

CAS: 125-31-5

• Formula: C₂₃H₂₂O₅S
• Purity: min. 95%
• Color and Shape: Brown to Very Dark Brown, Powder
• Molecular weight: 410.49