27655-40-9
5-Isoquinolinesulfonic acid
CAS: 27655-40-9
Molecular Formula: C9H7NO3S
27655-40-9 - Names and Identifiers
| Name | 5-Isoquinolinesulfonic acid |
| Synonyms | 5-SULFOISOQUINOLINE Fasudil Impurity 35 isoquinoline-5-sulfonate 5-ISOQUINOLINESULFONIC ACID 5-Isoquinolinesulfonic acid Isoquinoline-5-SulphonicAcid 5-ISOQUINOLINESULPHONIC ACID Isoquinoline-5-sulfonic Acid ISOQUINOLINE-5-SULFONIC ACID ISOQUINOLINE-5-SULPHONIC ACID 5-ISOQUINOLINESULFONIC ACID MONOHYDRATE ISOQUINOLINE-5-SULFONIC ACID FOR SINTESIS |
| CAS | 27655-40-9 |
| EINECS | 678-548-0 |
| InChI | InChI=1/C9H7NO3S/c11-14(12,13)9-3-1-2-7-6-10-5-4-8(7)9/h1-6H,(H,11,12,13)/p-1 |
27655-40-9 - Physico-chemical Properties
| Molecular Formula | C9H7NO3S |
| Molar Mass | 209.22 |
| Density | 1.4048 (rough estimate) |
| Melting Point | >300 °C (lit.) |
| Appearance | White crystal |
| Color | White to Almost white |
| pKa | -0.98±0.40(Predicted) |
| Storage Condition | Sealed in dry,2-8°C |
| Refractive Index | 1.5364 (estimate) |
| MDL | MFCD00134089 |
| Physical and Chemical Properties | appearance white solid melting point 300 ℃ |
| Use | Pharmaceutical Intermediates |
27655-40-9 - Risk and Safety
| Risk Codes | R49 - May cause cancer by inhalation R23 - Toxic by inhalation R34 - Causes burns R24 - Toxic in contact with skin R36/38 - Irritating to eyes and skin. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. 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.) |
| UN IDs | UN 2585 8/PG 3 |
| WGK Germany | 1 |
| TSCA | Yes |
| HS Code | 29334900 |
| Hazard Note | Toxic |
| Hazard Class | 8 |
| Packing Group | III |
27655-40-9 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | 5-isoquinoline sulfonic acid is a white crystalline solid and is an important pharmaceutical intermediate. As an important intermediate of fasudil hydrochloride, how to directionally synthesize 5-position substituted isoquinoline -5-sulfonic acid without forming by-products of isomers has become a research hotspot of the majority of pharmaceutical and chemical workers. |
| use | 5-isoquinoline sulfonic acid is a white crystalline solid, as an important pharmaceutical (fasudil hydrochloride) intermediate, mainly used for the synthesis of drugs, pesticides, dyes, etc. |
Last Update：2024-04-09 20:49:11
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