Cresol Purple

Product Name: Cresol Purple
CAS No.: 2303-01-7
Chemical Name: Cresol Purple
Synonyms: Nsc 9607;BETZ 0420;CRESOL PURPLE;m-Cresolpurpl;3-cresolpurple;M-CRESOL PURPLE;M-cresol violet;METACRESOL PURPLE;pourpredem-cresol;Cresol Purple, M-
CBNumber: CB7722734
Molecular Formula: C21H18O5S
Formula Weight: 382.43
MOL File: 2303-01-7.mol

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Cresol Purple Property

Melting point:: >250°C
Boiling point:: 577.5±50.0 °C(Predicted)
Density: 1.404±0.06 g/cm3(Predicted)
bulk density: 480kg/m3
storage temp.: room temp
solubility: Very slightly soluble in water, ethanol; soluble in methanol
form: Liquid
pka: 1.51, 8.32(at 25℃)
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.
ε(extinction coefficient): ≥ 11000 at 295-301nm at 0.01g/L (0.01 G/L in 0.005 N NAOH in Methanol)
≥26000 at 578-584nm at 0.01g/L (in 0.005 N NAOH in Methanol)
≥8000 at 369-375nm at 0.01g/L (in 0.005 N NAOH in Methanol)
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)

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Safety

Safety Statements: 24/25
WGK Germany: WGK 2 water endangering
TSCA: Yes
HS Code: 2934 99 90

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

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

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 857890
Product name: m-Cresol Purple
Purity: indicator grade, Dye content 90?%
Packaging: 1G
Price: $27
Updated: 2024/03/01

Sigma-Aldrich

Product number: 857890
Product name: m-Cresol Purple
Purity: indicator grade, Dye content 90?%
Packaging: 5G
Price: $69
Updated: 2024/03/01

Sigma-Aldrich

Product number: 857890
Product name: m-Cresol Purple
Purity: indicator grade, Dye content 90?%
Packaging: 10G
Price: $122
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.05228
Product name: m-Cresol purple
Purity: indicator
Packaging: 5G
Price: $258
Updated: 2024/03/01

TCI Chemical

Product number: M0074
Product name: Metacresol Purple
Packaging: 1g
Price: $35
Updated: 2024/03/01

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Cresol Purple Chemical Properties,Usage,Production

Chemical Properties

green crystalline powder

Uses

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.

Uses

Acid-base indicator.

Biochem/physiol Actions

m-Cresol purple is a pH indicator. It changes from red (pH 1.2) to yellow (2.8) and yellow (7.4) to purple (9.0).

Cresol Purple Preparation Products And Raw materials

Raw materials

Preparation Products

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Cresol Purple Suppliers

Americas 1 Austria 1 Belgium 1 Canada 1 China 205 Europe 2 France 1 Germany 3 India 13 Japan 5 Mexico 1 Switzerland 1 Ukraine 1 United Kingdom 7 United States 32 Global 275

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View Lastest Price from Cresol Purple manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: Cresol Purple 2303-01-7
Price: US $0.00/KG
Min. Order: 1KG
Purity: 98%min
Supply Ability: 30tons/month
Release date: 2023-01-11

Watson Biotechnology Co.,Ltd

Product: Cresol Purple 2303-01-7
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20MT
Release date: 2025-01-06

Hebei Chuanghai Biotechnology Co,.LTD

Product: m-Cresol Purple 2303-01-7
Price: US $5.00-2.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 1000kg
Release date: 2024-08-22

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2303-01-7

2303-01-07

2303-10-7

Indicator (pH)

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Analytical Chemistry

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Organics