| Identification | More | [Name]
Thymolphthalein | [CAS]
125-20-2 | [Synonyms]
2',2''-DIMETHYL-5,5''-DI-ISO-PROPYLPHENOLPHTHALEIN
5',5''-DIISOPROPYL-2',2''-DIMETHYLPHENOLPHTHALEIN
5',5''-DIISOPROPYL-2',2''-DIMETHYLPHENOLPHTHALIEN
LABOTEST-BB LT00451890
THYMOLPHTHALEIN
THYMOLPHTHALEIN ETHANOL
THYMOLPHTHALEIN INDICATOR SOLUTION
THYMOLPHTHALEIN TS/RS
TIMTEC-BB SBB008946
TP
3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-1(3H)-Isobenzofuranone
3,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3h)-isobenzofuranon
thymolphtaleine
3,3-bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide
Thymolphthalein solid
THYMOLPHTHALEIN ACS REAGENT
THYMOLPHTHALEIN, 0.04 WT. % SOLUTION IN 50 WT. % ETHYL ALCOHOL
THYMOLPHTHALEIN, ACS
THYMOLPHTHALEIN INDICATOR, REAG. PH.EUR.
ThymolphthaleineIndicatorGr | [EINECS(EC#)]
204-729-7 | [Molecular Formula]
C28H30O4 | [MDL Number]
MFCD00005909 | [Molecular Weight]
430.54 | [MOL File]
125-20-2.mol |
| Chemical Properties | Back Directory | [Appearance]
white fine crystalline powder | [Melting point ]
251-253 °C(lit.)
| [Boiling point ]
504.79°C (rough estimate) | [bulk density]
400kg/m3 | [density ]
0.92 g/mL at 25 °C
| [vapor pressure ]
0.002Pa at 90℃ | [refractive index ]
1.6400 (estimate) | [Fp ]
74 °F
| [storage temp. ]
Store at RT. | [solubility ]
ethanol: clarity passes test
| [form ]
Low Melting Mass | [pka]
9.70, 10.0(at 25℃) | [color ]
White to slightly yellow | [Specific Gravity]
0.92 | [Odor]
Mild characteristic odor | [PH]
8.6～10.5 | [PH Range]
9.3(colourless)-10.5(blue) | [explosive limit]
3.30-19% | [Water Solubility ]
insoluble | [λmax]
592nm, 396nm, 598nm | [Merck ]
14,9401 | [BRN ]
359413 | [Major Application]
Display device, semiconductors, recording materials, photoconductors, sol-gel matrix, tin electroplating process, counterfeit-proof paper, authentication system forsecure documents, inks, pencil leads, correction fluid, paints, petroleum marker, tennis ball, adhesives, floor coatings, textiles, detergents, insecticide, lotion, cleaning pads, food storage, determine bacterial growth, Streptococci in saliva, dental impressionmaterials | [InChI]
1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3 | [InChIKey]
GRBHJPCWQRVGND-UHFFFAOYSA-N | [SMILES]
CC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C | [LogP]
3.682 at 25℃ | [CAS DataBase Reference]
125-20-2(CAS DataBase Reference) | [EPA Substance Registry System]
125-20-2(EPA Substance) |
| Safety Data | Back Directory | [Symbol(GHS) ]
 
GHS02,GHS08 | [Signal word ]
Danger | [Hazard statements ]
H225-H313-H333-H371 | [Precautionary statements ]
P210-P260-P280a-P303+P361+P353-P405-P501a | [Hazard Codes ]
F,Xn | [Risk Statements ]
R11:Highly Flammable.
R40:Limited evidence of a carcinogenic effect. | [Safety Statements ]
S7:Keep container tightly closed .
S16:Keep away from sources of ignition-No smoking .
S36/37:Wear suitable protective clothing and gloves .
S24/25:Avoid contact with skin and eyes .
S22:Do not breathe dust . | [RIDADR ]
UN 1170 3/PG 3
| [WGK Germany ]
3
| [TSCA ]
Yes | [REACH Registrations]
Active | [HazardClass ]
3 | [PackingGroup ]
II | [HS Code ]
29322980 | [Storage Class]
11 - Combustible Solids |
| Questions And Answer | Back Directory | [Indicator Solution]
Preparation of thymolphthalein indicator solution: 0.1 g of thymolphthalein in 100 mL of ethanol or 0.5 g of thymolphthalein in 100 mL of dimethylformamide. |
| Hazard Information | Back Directory | [Chemical Properties]
white fine crystalline powder | [Uses]
As pH indicator: colorless 9.3 to blue 10.5. Also as reagent for blood after decolorizing the alkaline solution by boiling with zinc dust. | [Definition]
ChEBI: Thymophthalein is a terpene lactone. | [General Description]
Thymolphthalien is an acid-base indicator which is colourless in acidic form and deep blue in basic form. Acidic form retains hydrogen on each hydroxyl group. It is suitable in preparing disappearing ink. | [Synthesis]
Made by reacting thymol with phthalic anhydride.
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| Company Name: |
J & K SCIENTIFIC LTD.
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| Telephone: |
18210857532 18210857532 |
| Website: |
https://www.jkchemical.com |
| Company Name: |
Alfa Aesar
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400-6106006 |
| Website: |
http://chemicals.thermofisher.cn |
| Company Name: |
Energy Chemical
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| Telephone: |
400-0056266 |
| Website: |
www.energy-chemical.com |
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