Xylenol orange

Modify Date: 2025-08-21 11:52:26

Xylenol orange Structure
Xylenol orange structure
Common Name Xylenol orange
CAS Number 1611-35-4 Molecular Weight 672.656
Density 1.6±0.1 g/cm3 Boiling Point 895.1±65.0 °C at 760 mmHg
Molecular Formula C31H32N2O13S Melting Point 222ºC
MSDS USA Flash Point 495.1±34.3 °C

 Names

Name Xylenol Orange disodium salt
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 895.1±65.0 °C at 760 mmHg
Melting Point 222ºC
Molecular Formula C31H32N2O13S
Molecular Weight 672.656
Flash Point 495.1±34.3 °C
Exact Mass 672.162537
PSA 247.89000
LogP 2.52
Vapour Pressure 0.0±0.3 mmHg at 25°C
Index of Refraction 1.679
Storage condition -20°C
Water Solubility Solubility Soluble in water, ethanol

 Safety Information

Hazard Codes Xn: Harmful;
Risk Phrases R22
Safety Phrases 26-39
WGK Germany 3
HS Code 29349990

 Synonyms

MFCD00014580
2-[[5-[3-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-5-methylphenyl]-1,1-dioxo-2,1λ<sup>6</sup>-benzoxathiol-3-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxymethyl)amino]acetic acid
2,2',2'',2'''-{(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[(6-hydroxy-5-methylbenzene-3,1-diyl)methanediylnitrilo]}tetraacetic acid
Xylenol Orange
2,2',2'',2'''-{(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylenenitrilo]}tetraacetic acid
Cresol Phthalexon S
EINECS 216-553-8
3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonphthalein Disodium Salt
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