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P-XYLENOL BLUE

Product Name
P-XYLENOL BLUE
CAS No.
125-31-5
Chemical Name
P-XYLENOL BLUE
Synonyms
Nsc 10471;XYLENOL BLUE;P-cresol blue;P-XYLENOL BLUE;PARA-XYLENOL BLUE;p-Xylenol Blue p.a.;XYLENOL BLUE FREE ACID;PARA-XYLENOLBLUE,NASALT;P-xylenolsulfophthalein;Xylenol blue, indicator
CBNumber
CB4367688
Molecular Formula
C23H22O5S
Formula Weight
410.48
MOL File
125-31-5.mol
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P-XYLENOL BLUE Property

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
PH Range
1.2(red)-2.8(yellow) 8(yellow)-9.6(blue)
Odor
Odorless
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)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36/37/39-36
WGK Germany 
3
TSCA 
Yes
HS Code 
29147000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
205486
Product name
Xylenol Blue
Purity
indicator grade, Dye content 90%
Packaging
1g
Price
$29.3
Updated
2024/03/01
Sigma-Aldrich
Product number
205486
Product name
Xylenol Blue
Purity
indicator grade, Dye content 90%
Packaging
5g
Price
$88.6
Updated
2024/03/01
TCI Chemical
Product number
X0016
Product name
p-Xylenol Blue
Purity
>95.0%(HPLC)
Packaging
1g
Price
$36
Updated
2024/03/01
TCI Chemical
Product number
X0016
Product name
p-Xylenol Blue
Purity
>95.0%(HPLC)
Packaging
25g
Price
$296
Updated
2024/03/01
TRC
Product number
X749560
Product name
Xylenol Blue
Packaging
1g
Price
$40
Updated
2021/12/16
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P-XYLENOL BLUE Chemical Properties,Usage,Production

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.

P-XYLENOL BLUE Preparation Products And Raw materials

Raw materials

Preparation Products

125-31-5, P-XYLENOL BLUERelated Search:


  • phenol,4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethyl-,s,s-dioxide
  • 1,4-DIMETHYL-5-HYDROXYBENZENESULFONPHTHALEIN
  • 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
  • PARA-XYLENOLBLUE,NASALT
  • PARA-XYLENOLBLUE,SODIUMSALT
  • p-xylenolsulfonaphthalein
  • P-XylenolBlueIndicatorGr-(P-Xylenolsulfonphthalein)
  • Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis2,5-dimethyl-
  • p-Xylenol Blue, p-Xylenolsulfonephthalein
  • 3,3-Bis(2,5-dimethyl-4-hydroxyphenyl)-3H-2,1-benzoxathiol 1,1-dioxide
  • 3,3-Bis(2,5-dimethyl-4-hydroxyphenyl)-3H-2,1-benzoxathiole 1,1-dioxide
  • p-Xylenesulfonephthalein
  • PARA-XYLENOL BLUE
  • P-XYLENOL BLUE
  • P-XYLENOLSULFONEPHTHALEIN
  • P-XYLENOLSULFONPHTHALEIN
  • XYLENOL BLUE
  • Xylenol Blue,p-Xylenol Blue, p-Xylenolsulfonephthalein
  • p-Xylenol Blue p.a.
  • P-cresol blue
  • 2,5-xylenol, 4,4′-(3h-2,1-benzoxathiol-3-ylidene)di-, S,s-dioxide
  • P-xylenolsulfophthalein
  • Nsc 10471
  • Cp-xylenolsulfonphthalein
  • p-Xylenol Blue, 95%, indicator
  • 2-[(E)-(2,5-dimethyl-4-oxo-1-cyclohexa-2,5-dienylidene)-(4-hydroxy-2,5-dimethylphenyl)methyl]benzenesulfonic acid
  • Xylenol Blue, ≥95%(HPLC)
  • 4,4'-(3H-2,1-Benzoxathiol-3-yliden)bis[2,5-dimethylphenol]S,S-dioxid
  • Xylenol blue, indicator
  • Xylenol Blue pH indicator solution
  • p-Xylenol Blue extrapure AR, 95%
  • 125-31-5
  • C23H22O5S
  • pH Indicators
  • Indicator (pH)
  • Sulfonephthalein
  • Organics
  • Analytical Chemistry
  • Indicator (pH)
  • pH Indicators