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ChemicalBook >> CAS DataBase List >> o-Cresolphthalein

o-Cresolphthalein

o-Cresolphthalein price.
  • $16 - $2300
  • Product name: o-Cresolphthalein
  • CAS: 596-27-0
  • MF: C22H18O4
  • MW: 346.38
  • EINECS:209-881-8
  • MDL Number:MFCD00005912
  • Synonyms:3’,3’’-dimethyl-phenolphthalei ;o-Cresolphalein ;o-cresolphtaleine ;3,3-bis(4-hydroxy-3-methylphenyl)-(3H)-Isobenzofuranone ;3,3-bis(4-hydroxy-3-methylphenyl)-1(3h)-isobenzofuranon ;3,3-Bis(4-hydroxy-3-methylphenyl)-1-(3H)-iso-benzofuranone ;3,3-bis(4-hydroxy-3-methylphenyl)-1(3h)-isobenzofuranone ;3,3'-DIMETHYLPHENOLPHTHALEIN
51 prices
Selected condition:
Brand
  • aablocks
  • Adipogen Life Sciences
  • AHH
  • AK Scientific
  • American Custom Chemicals Corporation
  • Biosynth
  • Chem-Impex
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  • Matrix Scientific
  • Sigma-Aldrich
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
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  • Manufactureraablocks
  • Product numberAA00IAHY
  • Product descriptiono-Cresolphthalein 95%
  • Packaging5g
  • Price$19
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00IAHY
  • Product descriptiono-Cresolphthalein 95
  • Packaging25g
  • Price$23
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00IAHY
  • Product descriptiono-Cresolphthalein 95
  • Packaging500g
  • Price$63
  • Updated2026-05-29
  • Buy
  • ManufacturerAdipogen Life Sciences
  • Product numberCDX-C0242-G010
  • Product descriptiono-Cresolphthalein ≥95%(NMR)
  • Packaging10g
  • Price$46
  • Updated2026-05-06
  • Buy
  • ManufacturerAHH
  • Product numberMT-06845
  • Product descriptionocresolphthalein 97%
  • Packaging1000g
  • Price$425
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberM785
  • Product descriptiono-Cresolphthalein 98%(HPLC)
  • Packaging250g
  • Price$358
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ51889
  • Product descriptiono-Cresolphthalein 95%
  • Packaging250g
  • Price$268
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ51889
  • Product descriptiono-Cresolphthalein 95%
  • Packaging1kg
  • Price$979
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberM785
  • Product descriptiono-Cresolphthalein 98%(HPLC)
  • Packaging1kg
  • Price$1306
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ51889
  • Product descriptiono-Cresolphthalein 95%
  • Packaging25g
  • Price$43
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ60012
  • Product descriptiono-Cresolphthalein (0.04% in ca. 95% Ethanol), for pH Determination 95%
  • Packaging100mL
  • Price$43
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberM785
  • Product descriptiono-Cresolphthalein 98%(HPLC)
  • Packaging25g
  • Price$57
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberM785
  • Product descriptiono-Cresolphthalein 98%(HPLC)
  • Packaging5g
  • Price$24
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ60012
  • Product descriptiono-Cresolphthalein (0.04% in ca. 95% Ethanol), for pH Determination 95%
  • Packaging25mL
  • Price$21
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberM785
  • Product descriptiono-Cresolphthalein 98%(HPLC)
  • Packaging1g
  • Price$16
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ51889
  • Product descriptiono-Cresolphthalein 95%
  • Packaging5g
  • Price$17
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00IAHY o-Cresolphthalein 95% 5g $19 2026-05-29 Buy
aablocks AA00IAHY o-Cresolphthalein 95 25g $23 2026-05-29 Buy
aablocks AA00IAHY o-Cresolphthalein 95 500g $63 2026-05-29 Buy
Adipogen Life Sciences CDX-C0242-G010 o-Cresolphthalein ≥95%(NMR) 10g $46 2026-05-06 Buy
AHH MT-06845 ocresolphthalein 97% 1000g $425 2026-05-26 Buy
AK Scientific M785 o-Cresolphthalein 98%(HPLC) 250g $358 2026-06-04 Buy
AK Scientific J51889 o-Cresolphthalein 95% 250g $268 2026-06-04 Buy
AK Scientific J51889 o-Cresolphthalein 95% 1kg $979 2026-06-04 Buy
AK Scientific M785 o-Cresolphthalein 98%(HPLC) 1kg $1306 2026-06-04 Buy
AK Scientific J51889 o-Cresolphthalein 95% 25g $43 2026-06-04 Buy
AK Scientific J60012 o-Cresolphthalein (0.04% in ca. 95% Ethanol), for pH Determination 95% 100mL $43 2026-06-04 Buy
AK Scientific M785 o-Cresolphthalein 98%(HPLC) 25g $57 2026-06-04 Buy
AK Scientific M785 o-Cresolphthalein 98%(HPLC) 5g $24 2026-06-04 Buy
AK Scientific J60012 o-Cresolphthalein (0.04% in ca. 95% Ethanol), for pH Determination 95% 25mL $21 2026-06-04 Buy
AK Scientific M785 o-Cresolphthalein 98%(HPLC) 1g $16 2026-06-04 Buy
AK Scientific J51889 o-Cresolphthalein 95% 5g $17 2026-06-04 Buy

Properties

Melting point :223-225 °C
Boiling point :401.12°C (rough estimate)
Density :1.1425 (rough estimate)
refractive index :1.4400 (estimate)
storage temp. :room temp
solubility :Solubility Slightly soluble in water; soluble in ethanol
form :powder
pka :9.40(at 25℃)
color :Clear colorless
PH Range :8.2 (colorless) - 9.8 (violet/red)
PH :8.2-9.8, colorless to red
Water Solubility :slightly soluble
λmax :566nm, 381nm
ε(extinction coefficient) :≥10000 at 294-300nm
≥39000 at 564-570nm
≥5000 at 378-384nm Merck :14,2576
BRN :310554
Major Application :Sensors, display device, photoresists, recording materials, imaging materials, authentication system for secure documents, decoder system, lithium cells, electroplating process, inks, markers, toners, correction fluid, paints, adhesives, floor coatings, gas leaking detector for safety in industries, toys, food storage, diapers, determination of calcium, lotions, urine analysis test strips, drugs, blood analysis
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
InChIKey :CPBJMKMKNCRKQB-UHFFFAOYSA-N
SMILES :Cc1cc(ccc1O)C2(OC(=O)c3ccccc23)c4ccc(O)c(C)c4
CAS DataBase Reference :596-27-0(CAS DataBase Reference)
EPA Substance Registry System :1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)- (596-27-0)

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)Health Hazard (GHS08)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H340 May cause genetic defects Germ cell mutagenicity Category 1A, 1B Danger
H360 May damage fertility or the unborn child Reproductive toxicity Category 1A, 1B Danger
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

An acid base indicator that is colorless at pH 8.2 and red at pH 9.8. Also a useful analytical reagent.

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