Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Thymol Blue sodium
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Thymol Blue sodium
Price: ￥298.0/5g ￥118.0/1g ￥1148.0/25g
Purity: 98.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Sodium thymol blue
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

62625-21-2

62625-21-2 structure

62625-21-2 structure

Name: Thymol Blue sodium
Chemical Name: Sodium Thymol Blue
CAS Number: 62625-21-2
Molecular Formula: C₂₇H₂₉NaO₅S
Molecular Weight: 487.564
Catalog: Biochemical Biochemical reagent Biological dye
Create Date: 2018-08-15 11:34:06
Modify Date: 2025-08-22 18:31:49
Thymol Blue sodium is an acid-base indicator used to indicate changes in pH. Thymol Blue sodium fades from red to yellow at pH 1.2 to 2.8 and from yellow to blue at pH 8.0 to 9.6[1].

Name	Sodium Thymol Blue
Synonyms	sodium,4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1λ<sup>6</sup>-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenolate MFCD00151093 EINECS 263-650-6 Phenolate, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-, sodium salt (1:1)

Description	Thymol Blue sodium is an acid-base indicator used to indicate changes in pH. Thymol Blue sodium fades from red to yellow at pH 1.2 to 2.8 and from yellow to blue at pH 8.0 to 9.6[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Huining Zhang, et al. Spectrophotometric pH measurements of surface seawater at in-situ conditions: absorbance and protonation behavior of thymol blue. Marine Chemistry,Volume 52, Issue 1,1996, Pages 17-25.

Density	0.979 g/mL at 25 °C
Melting Point	283-285 °C (dec.)(lit.)
Molecular Formula	C₂₇H₂₉NaO₅S
Molecular Weight	487.564
Exact Mass	487.156067
PSA	95.04000
LogP	7.49120
Stability	Stable.
Water Solubility	95% ethanol: 10 mg/mL, clear, dark green

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3

Precursor 2
141-52-6 76-61-9
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