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Cresol Purple

Cresol Purple structure

CAS No.: 2303-01-7

Chemical Name:: Cresol Purple

Synonyms: Nsc 9607;BETZ 0420;CRESOL PURPLE;3-cresolpurple;m-Cresolpurpl;M-CRESOL PURPLE;M-cresol violet;METACRESOL PURPLE;pourpredem-cresol;Cresol Purple, M-

CBNumber:: CB7722734

Molecular Formula:: C21H18O5S

Molecular Weight:: 382.43

MDL Number:: MFCD00005871

MOL File:: 2303-01-7.mol

MSDS File:: SDS

Last updated:2023-06-02 18:44:39

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Cresol Purple 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
EWG's Food Scores	1
FDA UNII	85ODZ58K3D
EPA Substance Registry System	Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl- (2303-01-7)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302-H315-H319-H335

Precautionary statements

P261-P305+P351+P338

Safety Statements

24/25

WGK Germany

WGK 2 water endangering

TSCA

Yes

HS Code

2934 99 90

NFPA 704

	1
0		0

Cresol Purple price More Price(23)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	857890	m-Cresol Purple indicator grade, Dye content 90?%	2303-01-7	1G	$27	2024-03-01	Buy
Sigma-Aldrich	857890	m-Cresol Purple indicator grade, Dye content 90?%	2303-01-7	5G	$69	2024-03-01	Buy
Sigma-Aldrich	857890	m-Cresol Purple indicator grade, Dye content 90?%	2303-01-7	10G	$122	2024-03-01	Buy
Sigma-Aldrich	1.05228	m-Cresol purple indicator	2303-01-7	5G	$258	2024-03-01	Buy
TCI Chemical	M0074	Metacresol Purple	2303-01-7	1g	$35	2024-03-01	Buy

Product number	Packaging	Price	Buy
857890	1G	$27	Buy
857890	5G	$69	Buy
857890	10G	$122	Buy
1.05228	5G	$258	Buy
M0074	1g	$35	Buy

Cresol Purple Chemical Properties,Uses,Production

Chemical Properties

green crystalline powder

Uses

Acid-base indicator.

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.

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

Cresol Purple Suppliers

Global( 254)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai Daken Advanced Materials Co.,Ltd	+86-371-66670886	info@dakenam.com	China	15928	58
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
SHANDONG ZHI SHANG CHEMICAL CO.LTD	+86 18953170293	sales@sdzschem.com	China	2931	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28180	58
Chongqing Chemdad Co., Ltd	+86-023-61398051 +8613650506873	sales@chemdad.com	China	39916	58
Shenyang Simchoice Chemical Co.,Ltd	+86-024-23769576 +86-15040101888	sales@simchoicechem.com	China	255	58
Antai Fine Chemical Technology Co.,Limited	18503026267	info@antaichem.com	CHINA	9641	58
Hefei TNJ Chemical Industry Co.,Ltd.	0551-65418671	sales@tnjchem.com	China	34572	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23556	58
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	1026@dideu.com	China	29271	58

Supplier	Advantage
Shanghai Daken Advanced Materials Co.,Ltd	58
career henan chemical co	58
SHANDONG ZHI SHANG CHEMICAL CO.LTD	58
Hubei Jusheng Technology Co.,Ltd.	58
Chongqing Chemdad Co., Ltd	58
Shenyang Simchoice Chemical Co.,Ltd	58
Antai Fine Chemical Technology Co.,Limited	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Dideu Industries Group Limited	58

View Lastest Price from Cresol Purple manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2023-07-10	Cresol Purple 2303-01-7	US $467.00-365.00 / kg	1kg	98%	50kg	Jiangsu Boquan Biotechnology Co., Ltd.
2023-06-03	m-Cresol Purple 2303-01-7	US $5.00-2.00 / KG	1KG	99%	1000kg	Hebei Guanlang Biotechnology Co,.LTD
2023-01-12	Cresol Purple 2303-01-7	US $0.00 / KG	1KG	98%min	30tons/month	WUHAN FORTUNA CHEMICAL CO., LTD

Cresol Purple
2303-01-7
US $467.00-365.00 / kg
98%
Jiangsu Boquan Biotechnology Co., Ltd.

m-Cresol Purple
2303-01-7
US $5.00-2.00 / KG
99%
Hebei Guanlang Biotechnology Co,.LTD

Cresol Purple
2303-01-7
US $0.00 / KG
98%min
WUHAN FORTUNA CHEMICAL CO., LTD

Cresol Purple Spectrum

Cresol Purple(2303-01-7)MS Cresol Purple(2303-01-7)IR1 Cresol Purple(2303-01-7)IR2

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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 CRESOL PURPLE BETZ 0420 3-cresolpurple m-Cresol Purple sodium salt, 0.04% w/v aq. soln. Cresol Purple, M- m-CRESOL PURPLE (pH indicator) AR M-CRESOL PURPLE, INDICATOR GRADE, PURE 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-2,1-benzoxathiole 1,1-dioxide m-Cresol Purple,pure,indicator grade Cresol purple solution 0.04 % pH M-Cresol Purple, indicator grade, pure 5GR M-CRESOL PURPLE INDICATOR 5 G M-cresol, 4,4′-(3h-2,1-benzoxathiol-3-ylidene)di-, S,s-dioxide O-toluenesulfonic Acid,α-hydroxy-α,α-bis(4-hydroxy-o-tolyl)-, Γ-sultone Nsc 9607 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide cresolpurple(non-specificname) Phenol,4,4’-(3H-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,S,S-dioxide phenol,4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide pourpredem-cresol 3,3-Bis(4-hydroxy-2-Methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide Cresol Purple USP/EP/BP M-Cresol purple, indicator m-Cresol purple, indicator m-Cresol purple pH indicator solution M-cresol purple indicator solution m-Cresol purple indicator 1GM m-Cresol purple indicator 5GM m-Cresol Purple extrapure AR m-Cresolpurpl M-cresol violet 2303-01-7 2303-01-07 Indicator (pH) pH Indicators Sulfonephthalein Analytical Chemistry Indicator (pH) pH Indicators Organics