Name | Benzenesulfonic acid, 3-amino-4-methoxyl- |
Synonyms | OTAVA-BB BB7020126832 4-METHOXYMETANILIC ACID O-Anisidine-P-sulfonic acid 2-Anisidine-4-Sulfonic Acid O-Anisidine-4-Sulfonic Acid o-anisidine-4-sulfonic acid 2-ANISIDINE-4-SULFONIC ACID 2-AMINOANISOLE-4-SULFONIC ACID 2-METHOXYANILINE-5-SULFONIC ACID 3-amino-4-methoxybenzenesulfonate 2-Methoxy Aniline-5-Sulfonic Acid 3-AMINO-4-METHOXYBENZENESULFONIC ACID 3-amino-4-methoxybenzenesulfonic acid BENZENESULFONIC ACID, 3-AMINO-4-METHOXYL- Benzenesulfonic acid, 3-amino-4-methoxyl- |
CAS | 98-42-0 |
EINECS | 202-667-5 |
InChI | InChI=1/C7H9NO4S/c1-12-7-3-2-5(4-6(7)8)13(9,10)11/h2-4H,8H2,1H3,(H,9,10,11)/p-1 |
InChIKey | FLIOATBXVNLPLK-UHFFFAOYSA-N |
Molecular Formula | C7H9NO4S |
Molar Mass | 203.22 |
Density | 1.4540 (rough estimate) |
Melting Point | 305°C (dec.)(lit.) |
Boling Point | 386.91℃ |
Vapor Presure | 0Pa at 25℃ |
Appearance | White crystal |
Color | Off-white |
pKa | -0.91±0.50(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | 1.6370 (estimate) |
MDL | MFCD00035759 |
Physical and Chemical Properties | White crystal, no pungent odor, the product is soluble in sodium carbonate, slightly soluble in water, soluble in ethanol, is a reactive dye intermediate. |
Use | Is an important intermediate for direct, active and metal complex dyes |
Risk Codes | R34 - Causes burns R43 - May cause sensitization by skin contact R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S37/39 - Wear suitable gloves and eye/face protection |
UN IDs | UN 2585 8/PG 3 |
WGK Germany | 1 |
HS Code | 29222990 |
Hazard Class | 8 |
Packing Group | III |
dissociation constant | 0.001-0.001 at 24 ℃ |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Use | intermediates of dyes such as Direct Red 83, 89, acid Brown 83, 86, etc. is an important intermediate for direct, reactive and metal complex dyes used as an acidic, reactive, direct dye intermediate |