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ChemicalBook--->CAS DataBase List--->125-31-5

125-31-5

125-31-5 Structure

125-31-5 Structure
IdentificationMore
[Name]

P-XYLENOL BLUE
[CAS]

125-31-5
[Synonyms]

1,4-DIMETHYL-5-HYDROXYBENZENESULFONPHTHALEIN
PARA-XYLENOL BLUE
P-XYLENOL BLUE
P-XYLENOLSULFONEPHTHALEIN
P-XYLENOLSULFONPHTHALEIN
XYLENOL BLUE
phenol,4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethyl-,s,s-dioxide
4,4-(3H-2,1-benzoxathiol-3-ylidene)bis(2,5-dimethylphenol) S,S-dioxide
p-Xylenolsulphonephthalein
XYLENOL BLUE, INDICATOR GRADE
XYLENOL BLUE FREE ACID
P-XYLENOL BLUE INDICATOR
P-XYLENOL BLUE (0.04% IN CA. 95% ETHANOL) [FOR PH DETERMINATION]
P-XylenolBlueIndicatorGr
P-XylenolBlueIndicatorGr-(P-Xylenolsulfonphthalein)
Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis2,5-dimethyl-
PARA-XYLENOLBLUE,NASALT
PARA-XYLENOLBLUE,SODIUMSALT
p-xylenolsulfonaphthalein
p-Xylenol Blue, p-Xylenolsulfonephthalein
[EINECS(EC#)]

204-736-5
[Molecular Formula]

C23H22O5S
[MDL Number]

MFCD00005870
[Molecular Weight]

410.48
[MOL File]

125-31-5.mol
Chemical PropertiesBack Directory
[Melting point ]

212°C (dec.)
[Boiling point ]

577.2±50.0 °C(Predicted)
[density ]

1.346±0.06 g/cm3(Predicted)
[solubility ]

Solubility Slightly soluble in water, soluble in ethanol
[form ]

Powder
[pka]

9.52(at 25℃)
[color ]

Dark brown
[Odor]

Odorless
[PH Range]

1.2(red)-2.8(yellow) 8(yellow)-9.6(blue)
[λmax]

424nm
[Merck ]

14,10083
[BRN ]

363132
[Major Application]

Electrochromic displays, chemical sensors, fiber-optic pH sensors, optical quality films, ink, corrosion testing, lubricants, TTI indicators, food storage, cosmetics, bacterial growth, microbiological assays, determining lipase, drugs
[InChIKey]

MGUKYHHAGPFJMC-UHFFFAOYSA-N
[CAS DataBase Reference]

125-31-5(CAS DataBase Reference)
[EPA Substance Registry System]

Xylenol Blue (125-31-5)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
[TSCA ]

Yes
[HS Code ]

29147000
Hazard InformationBack Directory
[Chemical Properties]

P-XYLENOL BLUE is Brown powder
[Uses]

Indicator, used in 0.02% solution: pH 1.2 red, 2.8 yellow, 9.6 blue.
[Uses]

Xylenol Blue is used in methods and devices that change color to indicate the presence of opioids and other narcotics.
Spectrum DetailBack Directory
[Spectrum Detail]

P-XYLENOL BLUE(125-31-5)IR1
P-XYLENOL BLUE(125-31-5)IR2
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Xylenol Blue(125-31-5)
[Sigma Aldrich]

125-31-5(sigmaaldrich)
[TCI AMERICA]

p-Xylenol Blue,>95.0%(LC)(125-31-5)
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