2303-01-7

2303-01-7 structure

Name	Cresol Purple
Synonyms	cresolsulfonphthalein EINECS 218-960-6 3-cresol purple m-Cresolsulfonphthalein m-Cresol purpl Metacresol Purple 2-[(Z)-(4-Hydroxy-2-methylphenyl)(2-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonic acid 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide MFCD00005871 3-cresolpurple pourpredem-cresol M-CRESOLSULFONEPHTHALEIN m-Cresolpurpl M-CRESOL PURPLE 2-[(Z)-(4-Hydroxy-2-methylphenyl)(2-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]benzenesulfonic acid BETZ 0420 Benzenesulfonic acid, 2-[(Z)-(4-hydroxy-2-methylphenyl)(2-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-

Density	1.4±0.1 g/cm3
Boiling Point	577.5ºC at 760 mmHg
Melting Point	>250°C
Molecular Formula	C₂₁H₁₈O₅S
Molecular Weight	382.430
Exact Mass	382.087494
PSA	92.21000
LogP	2.99
Vapour Pressure	1.19E-13mmHg at 25°C
Index of Refraction	1.652
Water Solubility	Solubility Very slightly soluble in water, ethanol; soluble in methanol

Hazard Codes	T+
Safety Phrases	S24/25
RIDADR	NONH for all modes of transport
HS Code	3822009000

81-08-3

108-39-4

~14%

2303-01-7

Literature: Cihelnik, Simon; Stibor, Ivan; Lhotak, Pavel Collection of Czechoslovak Chemical Communications, 2002 , vol. 67, # 12 p. 1779 - 1789

34684-21-4

108-39-4

2303-01-7

Literature: Journal of the American Chemical Society, , vol. 48, p. 2215

108-39-4

81-07-2

~35%

2303-01-7

Literature: Tillu; Dumbre; Borate; Wakharkar; Choudhary Synthetic Communications, 2012 , vol. 42, # 8 p. 1101 - 1107

HS Code	2934991000
Summary	2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%