115-41-3

115-41-3 structure

Name	Pyrocatechol Violet
Synonyms	1,2-Benzenediol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis- 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)di(1,2-benzenediol) CATECHOL VIOLET PyrocatecholVioletGr Pyrocatechol violet 3H-2,1-Benzoxathiole, 3,3-bis(3,4-dihydroxyphenyl)-, 1,1-dioxide Pyrocatecholsulfonphthalein 3,3-bis-(3,4-dihydroxy-phenyl)-3H-benz[c][1,2]oxathiol-1,1-dioxide PYROCATECHOLSULFONEPHTHALEIN Brenzcatechinviolett 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)dibenzene-1,2-diol EINECS 204-088-3 3,3-Bis-(3,4-dihydroxy-phenyl)-3H-benz[c][1,2]oxathiol-1,1-dioxid Pyrocatechimsulfonphthalein violed PyrocatechinSulfonphthaleinViolet MFCD00005868 PYROCATECHOL SULPHONPHTHALEIN Catecholsulfonphthalein CATECHOLSULFONAPHTHALEIN 1,2-Benzenediol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide (9CI)

Density	1.6±0.1 g/cm3
Boiling Point	659.5±55.0 °C at 760 mmHg
Melting Point	185 °C (dec.)(lit.)
Molecular Formula	C₁₉H₁₄O₇S
Molecular Weight	386.375
Flash Point	352.7±31.5 °C
Exact Mass	386.046021
PSA	132.67000
LogP	1.82
Vapour Pressure	0.0±2.1 mmHg at 25°C
Index of Refraction	1.740
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	H2O: 1 mg/mL, clear, red

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn
Risk Phrases	R36/37/38
Safety Phrases	S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	32041900

120-80-9

115-41-3

Literature: Collection of Czechoslovak Chemical Communications, , vol. 19, p. 925,928 Chemicke Listy, , vol. 48, p. 552,554

81-08-3

120-80-9

~28%

115-41-3

Literature: Collection of Czechoslovak Chemical Communications, , vol. 67, # 12 p. 1779 - 1789

Precursor 2
120-80-9 81-08-3
DownStream 0

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