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Xylenol Blue

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Origin: China

Cas No: 125-31-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 125-31-5 Formula: C23H22O5S Molecular Weight: 410.48300

Basic Info

Chemical Name	Xylenol Blue
Synonyms	p-Xylenolsulfonephthalein p-Xylenol Blue; 4-[3-(4-hydroxy-2,5-dimethylphenyl)-1,1-dioxo-2,1λ<sup>6</sup>-benzoxathiol-3-yl]-2,5-dimethylphenol;
CAS No.	125-31-5
Molecular Formula	C23H22O5S
Molecular Weight	410.48300
PSA	92.21000
LogP	5.42300

Properties

Density	1.346 g/cm3
Boiling Point	577.2ºC at 760 mmHg
Melting Point	212-213ºC
Flash Point	302.9ºC
Refractive Index	1.627

Safety Info

Safety Statements	S24/25
HS Code	2934991000
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

2,5-Dimethylphenol+2-Sulfobenzoic anhydride→Xylenol Blue
2,5-Dimethylphenol+Saccharin→Xylenol Blue
2,5-Dimethylphenol+o-chlorocarbonyl benzenesulfonyl-chloride→Xylenol Blue

Precursor

o-chlorocarbonyl benzenesulfonyl-chloride
2-Sulfobenzoic acid
2-Sulfobenzoic anhydride
Saccharin

Downstream Product

Bromoxylenol Blue

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