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
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℃)
color 
White to slightly yellow
Specific Gravity
0.92
PH
8.6~10.5
PH Range
9.3(colourless)-10.5(blue)
Odor
Mild characteristic odor
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
114553
Product name
Thymolphthalein
Purity
ACS reagent, Dye content 95 %
Packaging
50g
Price
$124
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
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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

Anhui Tianjia Chemical Science & Technology Co.,Ltd.
Tel
0550-2392698 18355069969
Fax
0550-2392698
Email
tianjiachem@hotmail.com
Country
China
ProdList
17
Advantage
57
Shenyang Xianchuang Chemical Co., Ltd.
Tel
024-23769576 13840269002
Fax
024-23769576
Email
274311108@qq.com
Country
China
ProdList
359
Advantage
58
SHENYANG SINOCHEM BIOTECH CO.,LTD
Tel
024-23769576 13840269002
Email
274311108@qq.com
Country
China
ProdList
392
Advantage
58
Shenyang Shengyuan chemical industry co., ltd
Tel
13190211560 13190211560
Email
1319074246@qq.com
Country
China
ProdList
94
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
INTATRADE GmbH
Tel
+49 3493/605464
Fax
+49 3493/605470
Email
sales@intatrade.de
Country
Germany
ProdList
3576
Advantage
66
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
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View Lastest Price from Thymolphthalein manufacturers

Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
Thymolphthalein 125-20-2
Price
US $1.00/KG
Min. Order
1KG
Purity
99.91%
Supply Ability
200000
Release date
2024-04-22
Shenyang Simchoice Chemical Co.,Ltd
Product
Thymolphthalein AR Grade 125-20-2
Price
US $85.00-80.00/kg
Min. Order
5kg
Purity
99.5%
Supply Ability
1000kgs per month
Release date
2023-09-11
Shenyang Simchoice Chemical Co.,Ltd
Product
Thymolphthalein 125-20-2
Min. Order
25KG
Purity
99.5%
Supply Ability
1000kgs per month
Release date
2020-08-09

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