O-HYDRAZINOBENZOIC ACID HYDROCHLORIDE
2-Hydrazinobenzoic acid hydrochloride
CAS: 52356-01-1;33906-30-8
Molecular Formula: C7H9ClN2O2
O-HYDRAZINOBENZOIC ACID HYDROCHLORIDE - Names and Identifiers
O-HYDRAZINOBENZOIC ACID HYDROCHLORIDE - Physico-chemical Properties
| Molecular Formula | C7H9ClN2O2 |
| Molar Mass | 188.61 |
| Melting Point | 185°C (dec.)(lit.) |
| Boling Point | 352.3°C at 760 mmHg |
| Flash Point | 166.9°C |
| Vapor Presure | 1.44E-05mmHg at 25°C |
| Appearance | Powder |
| Color | Off-white to beige |
| BRN | 4011728 |
| Storage Condition | 2-8°C |
| MDL | MFCD00012931 |
| Physical and Chemical Properties | White crystals. Melting point 185 °c (decomposition). Soluble in water and alkali solution. |
O-HYDRAZINOBENZOIC ACID HYDROCHLORIDE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - 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. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29280090 |
| Hazard Class | IRRITANT |
O-HYDRAZINOBENZOIC ACID HYDROCHLORIDE - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | organic synthesis intermediate. |
| production method | adjust 6.85g of anthranilic acid and 10ml of water into paste, slowly add 12.5ml of concentrated hydrochloric acid, cool to 0 ℃, add 3.5g of sodium nitrite aqueous solution for diazotization. Then 25.5g of sodium sulfite solution in 100ml of water is added below 10 ℃, stirred for reaction, glacial acetic acid and zinc powder are added for stirring reaction and placed at room temperature for 20min, heated in boiling water bath for 2h, filtered, the filtrate is cooled to room temperature, concentrated hydrochloric acid is added for acidification, precipitation is precipitated, and filtered to obtain o-hydrazinyl benzoic acid hydrochloride. |
Last Update：2024-04-09 19:05:12
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