Cresolphthalein (CAS 596-27-0): price, suppliers and safety

Q: What is the CAS number of Cresolphthalein?

The CAS registry number of Cresolphthalein is 596-27-0.

Q: What is the molecular formula and weight of Cresolphthalein?

The molecular formula of Cresolphthalein is C22H18O4 and its molar mass is 346.38 g/mol.

Q: Is Cresolphthalein hazardous?

No GHS hazard classification for Cresolphthalein is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

Q: What is the HS code of Cresolphthalein?

Cresolphthalein is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Q: Where can I buy Cresolphthalein?

CompoundList lists 16 suppliers of Cresolphthalein in India, China and Switzerland. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Q: Where can I buy Cresolphthalein in India?

9 suppliers in India list Cresolphthalein on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

Q: What is the price of Cresolphthalein?

Suppliers quote Cresolphthalein on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

What is Cresolphthalein?

Plain description, key identifiers and synonyms

Cresolphthalein is a chemical substance with the molecular formula C22H18O4 and a molar mass of 346.38 g/mol. Its CAS registry number is 596-27-0. The IUPAC name is 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name: 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
CAS number: 596-27-0 CAS number cross-checked
EC number: 209-881-8
Molecular formula: C₂₂H₁₈O₄
UNII: XOU2D9049G
MDL number: MFCD00005912
InChIKey: CPBJMKMKNCRKQB-UHFFFAOYSA-N
InChI: InChI=1S/C22H18O4/c1-13-11-15(7-9-19(13)23)22(16-8-10-20(24)14(2)12-16)18-6-4-3-5-17(18)21(25)26-22/h3-12,23-24H,1-2H3
SMILES (canonical and isomeric): CC1=C(C=CC(=C1)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4)O)C)O

Synonyms

o-Cresolphthalein
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)-
3,3'-Dimethylphenolphthalein
3,3-Bis(4-hydroxy-3-methylphenyl)isobenzofuran-1(3H)-one
3',3''-Dimethylphenolphthalein
3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
Phenolphthalein, 3',3''-dimethyl-
o-Cresolphthalein (0.04% in ca. 95% Ethanol) [for pH Determination]
3,3-bis(4-hydroxy-3-methylphenyl)-3-hydroisobenzofuran-1-one
3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone
3,3-bis(4-hydroxy-3-methyl-phenyl)isobenzofuran-1-one
Cresolphthalein, o-
Ortho-cresolphthalein
o-Cresolphthalein, indicator grade
o-Cresolphthalein (ACS Reagent Grade)
93% +(HPLC)(contains <10%H2O)
O-Cresolphthalein indicator (8.2-9.8)
3,3-Bis(4-hydroxy-3-methylphenyl)isobenzofuran-1-one
3,3-Bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1(3H)-one
3,3-Bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1(3H)-one #

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight	346.38 g/molcalc.
Exact mass	346.1205 Dacalc.
LogP (octanol/water)	4.18calc.
Topological polar surface area	66.76 Å²calc.
Hydrogen bond donors	2calc.
Hydrogen bond acceptors	4calc.
Rotatable bonds	2calc.
Heavy atoms	26calc.
Rings	4calc.
Aromatic rings	3calc.
Fraction sp3 carbons	0.14calc.
Formal charge	0calc.
Stereocentres	0calc.
Lipinski rule of five	Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

O=C1OC(c2ccccc2)(c2ccccc2)c2ccccc21

4 rings, 22 atoms, the RefChem:357140 ring system.

146 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Cresolphthalein suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 16 suppliers

Verified only16 of 16 offers

GSP Dyes and Chemicals Private Limited
India, ThaneUnclaimed profile
O-CresolphthaleinGrade, purity and minimum order on request
Price on request
View
K Patel International
India, Mumbai ManufacturerUnclaimed profile
o-CresolphthaleinGrade, purity and minimum order on request
Price on request
View
Anubhav Business Corporation
India ManufacturerUnclaimed profile
o-CresolphthaleinGrade, purity and minimum order on request
Price on request
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Monachem
India, VadodaraUnclaimed profile
o-CresolphthaleinGrade, purity and minimum order on request
Price on request
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Emichem Private Limited
India ManufacturerUnclaimed profile
o-CresolphthaleinGrade, purity and minimum order on request
Price on request
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Tangshan Moneide Trading Co., Ltd
ChinaUnclaimed profile
CresolphthaleinGrade, purity and minimum order on request
Price on request
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Karan Laborates
India, Mumbai ManufacturerUnclaimed profile
O-CresolphthaleinGrade, purity and minimum order on request
Price on request
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Shenyang Sinochem Biotech Co., Ltd
China ManufacturerUnclaimed profile
o-CresolphthaleinGrade, purity and minimum order on request
Price on request
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Shandong Lanhai Industry Co., Ltd.
China, Jinan ManufacturerUnclaimed profile
O-CresolphthaleinGrade, purity and minimum order on request
Price on request
View
JieJie Group Co., Ltd.
China, Shanghai ManufacturerUnclaimed profile
o-CresolphthaleinGrade, purity and minimum order on request
Price on request
View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

16 suppliers in 3 countries

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Cresolphthalein price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Consumer uses: Pigment.

Industries and functions

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

TSCA inventory (USA)
Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cresolphthalein is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024

$1.97B

−4.7% vs 2023, imports $2.07B

2019 to 2024

Top exporters

China56.3%
India * partner reported7.4%
Germany7.3%

Top importers

United States14.2%
India * partner reported13.5%
Brazil8.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Cresolphthalein is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Parent and salt forms, stereoisomers, similar structures and isomers

Similar structures

Nearest neighbours by Morgan fingerprint Tanimoto similarity

3,3-Bis(4-hydroxy-3-methoxyphenyl)isobenzofuran-1(3H)-one chemical structure, C22H18O6, CAS 467-25-4

1(3H)-Isobenzofuranone, 3,3-bis(6-hydroxy[1,1'-biphenyl]-3-yl)- chemical structure, C32H22O4, CAS 84627-12-3

Phenolphthalein chemical structure, C20H14O4, CAS 77-09-8

Iodophthalein chemical structure, C20H10I4O4, CAS 386-17-4

61% similar

Iodophthalein386-17-4C₂₀H₁₀I₄O₄

3,3-Bis(4-hydroxy-2-isopropyl-5-methylphenyl)isobenzofuran-1(3H)-one chemical structure, C28H30O4, CAS 6869-00-7

Same formula isomers

Different compounds that share this molecular formula

All isomers

Dibenzyl phthalate chemical structure, C22H18O4, CAS 523-31-9

Dibenzyl phthalate523-31-9C₂₂H₁₈O₄

3,3-Bis(4-hydroxy-2-methylphenyl)-1-isobenzofuranone chemical structure, C22H18O4, CAS 4270-78-4

3,3-Bis(4-hydroxy-2-methylphenyl)-1-isobenzofuranone4270-78-4C₂₂H₁₈O₄

1,4-Benzenedicarboxylic acid, bis(phenylmethyl) ester chemical structure, C22H18O4, CAS 19851-61-7

1,4-Benzenedicarboxylic acid, bis(phenylmethyl) ester19851-61-7C₂₂H₁₈O₄1 supplier

Diospyrol chemical structure, C22H18O4, CAS 17667-23-1

Diospyrol17667-23-1C₂₂H₁₈O₄

1-((4-Hydroxyphenyl)methyl)-4-methoxyphenanthrene-2,7-diol chemical structure, C22H18O4, CAS 133740-30-4

1-((4-Hydroxyphenyl)methyl)-4-methoxyphenanthrene-2,7-diol133740-30-4C₂₂H₁₈O₄1 supplier

Dibenzyl (~2~H_4_)benzene-1,2-dicarboxylate chemical structure, C22H18O4, CAS 1015854-62-2

Dibenzyl (~2~H_4_)benzene-1,2-dicarboxylate1015854-62-2C₂₂H₁₈O₄

Ocresolphthalein chemical structure, C22H18O4, CAS 206886-28-4

Ocresolphthalein206886-28-4C₂₂H₁₈O₄

2',5'-Dimethoxy-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde chemical structure, C22H18O4, CAS 111759-27-4

2',5'-Dimethoxy-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde111759-27-4C₂₂H₁₈O₄

2-Oxo-1,2-diphenylethyl 4-methoxybenzoate chemical structure, C22H18O4, CAS 114678-99-8

2-Oxo-1,2-diphenylethyl 4-methoxybenzoate114678-99-8C₂₂H₁₈O₄

Ovalifolin chemical structure, C22H18O4, CAS 55303-88-3

Ovalifolin55303-88-3C₂₂H₁₈O₄

3-[(4-Methoxyphenyl)methoxy]-4-methylbenzo[c]chromen-6-one chemical structure, C22H18O4, CAS 375829-70-2

3-[(4-Methoxyphenyl)methoxy]-4-methylbenzo[c]chromen-6-one375829-70-2C₂₂H₁₈O₄

Amediplase chemical structure, C22H18O4, CAS 151912-11-7

Amediplase151912-11-7C₂₂H₁₈O₄

Frequently asked questions

Quick answers about Cresolphthalein, based on the data on this page

What is Cresolphthalein?

Cresolphthalein is a chemical substance with the molecular formula C22H18O4 and a molar mass of 346.38 g/mol. Its CAS registry number is 596-27-0. The IUPAC name is 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one.

What is the CAS number of Cresolphthalein?

The CAS registry number of Cresolphthalein is 596-27-0.

What is the molecular formula and weight of Cresolphthalein?

The molecular formula of Cresolphthalein is C22H18O4 and its molar mass is 346.38 g/mol.

What is Cresolphthalein used for?

Consumer uses: Pigment.

Is Cresolphthalein hazardous?

No GHS hazard classification for Cresolphthalein is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Cresolphthalein?

Cresolphthalein is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cresolphthalein?

CompoundList lists 16 suppliers of Cresolphthalein in India, China and Switzerland. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Cresolphthalein in India?

9 suppliers in India list Cresolphthalein on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Cresolphthalein?

Suppliers quote Cresolphthalein on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Cresolphthalein

Cresolphthalein

Key facts