ChemicalBook > CAS DataBase List > Thymolphthalein

Thymolphthalein

Product Name
Thymolphthalein
CAS No.
125-20-2
Chemical Name
Thymolphthalein
Synonyms
TP;THYMOLPHTHALEIN INDICATOR;VEGP;Nsc2186;Thymolpthalein;Thymol peptide;THYMOLPHTHALEIN;thymolphtaleine;Thymolphthaiein;DithyMolphthalide
CBNumber
CB5342154
Molecular Formula
C28H30O4
Formula Weight
430.54
MOL File
125-20-2.mol
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Thymolphthalein Property

Melting point:
251-253 °C(lit.)
Boiling point:
504.79°C (rough estimate)
Density 
0.92 g/mL at 25 °C
bulk density
400kg/m3
vapor pressure 
0.002Pa at 90℃
refractive index 
1.6400 (estimate)
Flash point:
74 °F
storage temp. 
no restrictions.
solubility 
ethanol: clarity passes test
form 
Low Melting Mass
pka
9.70, 10.0(at 25℃)
Specific Gravity
0.92
color 
White to slightly yellow
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
InChIKey
GRBHJPCWQRVGND-UHFFFAOYSA-N
LogP
3.682 at 25℃
CAS DataBase Reference
125-20-2(CAS DataBase Reference)
EPA Substance Registry System
Thymolphthalein (125-20-2)
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Safety

Hazard Codes 
F,Xn
Risk Statements 
11-40-10
Safety Statements 
7-16-36/37-24/25-22
RIDADR 
UN 1170 3/PG 3
WGK Germany 
3
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29322980
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H313May be harmful in contact with skin

H333May be harmful if inhaled

H371May cause damage to organs

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
89360
Product name
Thymolphthalein
Purity
ACS reagent, indicator (pH 8.8-10.5)
Packaging
10g
Price
$48.7
Updated
2024/03/01
Sigma-Aldrich
Product number
89360
Product name
Thymolphthalein
Purity
ACS reagent, indicator (pH 8.8-10.5)
Packaging
50g
Price
$149
Updated
2024/03/01
Sigma-Aldrich
Product number
114553
Product name
Thymolphthalein
Purity
ACS reagent, Dye content 95 %
Packaging
10g
Price
$38.8
Updated
2024/03/01
Sigma-Aldrich
Product number
1.08175
Product name
Thymolphthalein
Purity
indicator ACS,Reag. Ph Eur
Packaging
5G
Price
$93
Updated
2024/03/01
Sigma-Aldrich
Product number
114553
Product name
Thymolphthalein
Purity
ACS reagent, Dye content 95 %
Packaging
50g
Price
$124
Updated
2024/03/01
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Thymolphthalein Chemical Properties,Usage,Production

Chemical Properties

white fine crystalline powder

Uses

Thymolphthalein is a pH sensitive dye that has multiple uses such as testing hydration and/or saliva testing.

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.

Thymolphthalein Preparation Products And Raw materials

Raw materials

Preparation Products

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Thymolphthalein Suppliers

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View Lastest Price from Thymolphthalein manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Thymolphthalein 125-20-2
Price
US $30.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-04-30
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
Product
Thymolphthalein 125-20-2
Price
US $999.00-666.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000
Release date
2024-08-20
Baoji Guokang Bio-Technology Co., Ltd.
Product
Thymolphthalein 125-20-2
Price
US $132.00/Kg/Bag
Min. Order
25Kg/Bag
Purity
98%
Supply Ability
1-10mt
Release date
2021-06-02

125-20-2, ThymolphthaleinRelated Search:

Thymol Blue Bromothymol Blue Thyme Oil 1,1,3,3,5-PENTAMETHYL-4,6-DINITROINDANE Phenolphthalein Thymol ISOPROPYL LAURATE CHLOROPHOSPHONAZO III Isopropyl alcohol Phthalide Thymolphthalein-2μ,2-bis(methyliminodiacetic acid sodium salt), 3μ,3-Bis[N,N-di(carboxymethyl)aminomethyl]thymolphthalein THYMOL BLUE TOLUALDEHYDES Thymolphthalein monophosphate 2-amino-2-methyl-1,3-propanediol salt THYMOL VIOLET Thymolphthalein monophosphate magnesium salt THYMOLPHTHALEIN COMPLEXONE DISODIUM SALT Thymolphthalein monophosphoric acid disodium salt trihydrate

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