ChemicalBook > CAS DataBase List > Cresol Purple
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)
- 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.
- 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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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
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
Jiangsu Boquan Biotechnology Co., Ltd.
- Product
- Cresol Purple 2303-01-7
- Price
- US $467.00-365.00/kg
- Min. Order
- 1kg
- Purity
- 98%
- Supply Ability
- 50kg
- Release date
- 2023-02-21
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