Name | Pyrocatechol Violet |
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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 |
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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 |
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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 |
~% 115-41-3 |
Literature: Collection of Czechoslovak Chemical Communications, , vol. 19, p. 925,928 Chemicke Listy, , vol. 48, p. 552,554 |
~28% 115-41-3 |
Literature: Collection of Czechoslovak Chemical Communications, , vol. 67, # 12 p. 1779 - 1789 |
HS Code | 2934991000 |
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Summary | 2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |