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ChemicalBook >> CAS DataBase List >> Cresol Purple

Cresol Purple

Cresol Purple price.
  • $9 - $828.8
  • Product name: Cresol Purple
  • CAS: 2303-01-7
  • MF: C21H18O5S
  • MW: 382.43
  • EINECS:218-960-6
  • MDL Number:MFCD00005871
  • Synonyms:M-CRESOL PURPLE, INDICATOR GRADE;M-CRESOL PURPLE FREE ACID;M-CRESOL PURPLE INDICATOR;Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis3-methyl-;M-CRESOLSULFONPHTHALEIN;M-CRESOLSULFONEPHTHALEIN;M-CRESOL PURPLE;METACRESOL PURPLE
22 prices
Selected condition:
Brand
  • AHH
  • AK Scientific
  • Alfa Aesar
  • Alichem
  • Arctom
  • Chemenu
  • Chem-Impex
  • Crysdot
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TCI Chemical
  • TRC
Package
  • 1g
  • 5g
  • 10G
  • 25g
  • 50g
  • 100g
  • 250G
  • 500g
  • 1kg
  • ManufacturerAHH
  • Product numberMT-06847
  • Product descriptionm-Cresol Purple 95%
  • Packaging50g
  • Price$325
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberM635
  • Product descriptionm-Cresol Purple
  • Packaging25g
  • Price$105
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberB24338
  • Product descriptionm-Cresol Purple
  • Packaging5g
  • Price$56
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberB24338
  • Product descriptionm-Cresol Purple
  • Packaging25g
  • Price$196
  • Updated2024-03-01
  • Buy
  • ManufacturerAlichem
  • Product number2303017
  • Product description3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide
  • Packaging500g
  • Price$775.84
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS050534
  • Product description3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide ≥98%
  • Packaging100g
  • Price$9
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS050534
  • Product description3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide ≥98%
  • Packaging500g
  • Price$26
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS050534
  • Product description3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide ≥98%
  • Packaging1kg
  • Price$43
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM153334
  • Product description3,3-bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide 95%
  • Packaging500g
  • Price$698
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22824
  • Product descriptionmeta-CresolPurple,95%(Dyecontent) 95%(Dyecontent)
  • Packaging5G
  • Price$28
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22824
  • Product descriptionmeta-CresolPurple,95%(Dyecontent) 95%(Dyecontent)
  • Packaging25G
  • Price$117.6
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22824
  • Product descriptionmeta-CresolPurple,95%(Dyecontent) 95%(Dyecontent)
  • Packaging100G
  • Price$414.4
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22824
  • Product descriptionmeta-CresolPurple,95%(Dyecontent) 95%(Dyecontent)
  • Packaging250G
  • Price$828.8
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD44000496
  • Product description3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide 95+%
  • Packaging500g
  • Price$746
  • Updated2021-12-16
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number16456
  • Product descriptionm-CRESOLPURPLEFREEACID
  • Packaging1g
  • Price$580
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number857890
  • Product descriptionm-Cresol Purple indicator grade, Dye content 90?%
  • Packaging1G
  • Price$27
  • Updated2024-03-01
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-06847 m-Cresol Purple 95% 50g $325 2021-12-16 Buy
AK Scientific M635 m-Cresol Purple 25g $105 2021-12-16 Buy
Alfa Aesar B24338 m-Cresol Purple 5g $56 2024-03-01 Buy
Alfa Aesar B24338 m-Cresol Purple 25g $196 2024-03-01 Buy
Alichem 2303017 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide 500g $775.84 2021-12-16 Buy
Arctom AS050534 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide ≥98% 100g $9 2021-12-16 Buy
Arctom AS050534 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide ≥98% 500g $26 2021-12-16 Buy
Arctom AS050534 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide ≥98% 1kg $43 2021-12-16 Buy
Chemenu CM153334 3,3-bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide 95% 500g $698 2021-12-16 Buy
Chem-Impex 22824 meta-CresolPurple,95%(Dyecontent) 95%(Dyecontent) 5G $28 2021-12-16 Buy
Chem-Impex 22824 meta-CresolPurple,95%(Dyecontent) 95%(Dyecontent) 25G $117.6 2021-12-16 Buy
Chem-Impex 22824 meta-CresolPurple,95%(Dyecontent) 95%(Dyecontent) 100G $414.4 2021-12-16 Buy
Chem-Impex 22824 meta-CresolPurple,95%(Dyecontent) 95%(Dyecontent) 250G $828.8 2021-12-16 Buy
Crysdot CD44000496 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole1,1-dioxide 95+% 500g $746 2021-12-16 Buy
Medical Isotopes, Inc. 16456 m-CRESOLPURPLEFREEACID 1g $580 2021-12-16 Buy
Sigma-Aldrich 857890 m-Cresol Purple indicator grade, Dye content 90?% 1G $27 2024-03-01 Buy

Properties

Melting point :>250°C
Boiling point :577.5±50.0 °C(Predicted)
Density :1.404±0.06 g/cm3(Predicted)
storage temp. :room temp
solubility :Very slightly soluble in water, ethanol; soluble in methanol
pka :1.51, 8.32(at 25℃)
form :Liquid
color :Dark green
PH Range :1.2 (red) - 2.8 (yellow) and 7.4 (yellow) - 9.0 (purple)
Water Solubility :Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol.
λmax :579nm, 371nm
Merck :14,2577
BRN :350314
Stability :Stable. Incompatible with strong oxidizing agents.
Major Application :Fuel cells, sensors, display device, falsification-proof security paper, inks, correction fluid, paints, detection of electrophilic gases, lubricants, cement products, packaging system, adhesive, cosmetics, food storage, determining glucose in dialysis solution, screening of cat diseases, detecting carbohydrates, oral hygiene products
EPA Substance Registry System :Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl- (2303-01-7)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

m-Cresol Purple acts as a pH indicator dye. It plays an important role in spectrophotometric pH measurements. It operates in the pH ranges 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet). Further, it is employed to stain epithelial cells and proteins.

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