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
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)
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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

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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
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
Hebei Guanlang 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
2023-06-02

2303-01-7, Cresol PurpleRelated Search:

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