4-Hydroxybenzhydrazide
4-Hydroxybenzoic acid hydrazide
CAS: 5351-23-5
Molecular Formula: C7H8N2O2
4-Hydroxybenzhydrazide - Names and Identifiers
| Name | 4-Hydroxybenzoic acid hydrazide |
| Synonyms | PAHBAH AKOS BBS-00008116 4-HYDROXYBENZHYDRAZIDE 4-Hydroxybenzhydrazide 4-hydroxybenzohydrazide 4-HYDROXYBENZOHYDRAZIDE p-Hydroxybenzoylhydrazine 4-Hydroxybenzoic hydrazide 4-HYDROXYBENZOIC ACID HYDRAZIDE 4-Hydroxybenzoic acid hydrazide p-hydroxybenzonic acide hydrazidde 4-HYDROXYBENZHYDRAZIDE, FOR FLUORESCENCE |
| CAS | 5351-23-5 |
| EINECS | 226-326-5 |
| InChI | InChI=1/C7H8N2O2/c8-9-7(11)5-1-3-6(10)4-2-5/h1-4,10H,8H2,(H,9,11) |
4-Hydroxybenzhydrazide - Physico-chemical Properties
| Molecular Formula | C7H8N2O2 |
| Molar Mass | 152.15 |
| Density | 1.2804 (rough estimate) |
| Melting Point | 264-266°C (dec.)(lit.) |
| Boling Point | 274.61°C (rough estimate) |
| Solubility | 26.5g/l |
| Appearance | Fine Crystalline Powder |
| Color | White to slightly beige |
| Maximum wavelength(λmax) | ['245nm(MeOH)(lit.)'] |
| BRN | 473052 |
| pKa | 8.57±0.15(Predicted) |
| Storage Condition | Store at +15°C to +25°C. |
| Sensitive | Sensitive to air |
| Refractive Index | 1.5200 (estimate) |
| MDL | MFCD00007605 |
4-Hydroxybenzhydrazide - Risk and Safety
| 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. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29280090 |
| Hazard Class | IRRITANT |
4-Hydroxybenzhydrazide - Reference
| Reference Show more | 1. [IF=5.396] Junwei Cao et al."Number of galloyl moieties and molecular flexibility are both important in alpha-amylase inhibition by galloyl-based polyphenols."Food Funct. 2020 May;11(5):3838-3850 2. [IF=4.35] Yueyi Wang et al."The Physical Adsorption of Gelatinized Starch with Tannic Acid Decreases the Inhibitory Activity of the Polyphenol against α-Amylase."Foods. 2021 Jun;10(6):1233 |
4-Hydroxybenzhydrazide - Introduction
Solubility in water: 26 · 5g/L (25°C), soluble in methanol and ethanol.
Last Update：2022-10-16 17:26:01
4-Hydroxybenzhydrazide - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| use | 4-hydroxybenzoyl hydrazide can be used as an indicator for the determination of carbohydrates. The acid-hydrolyzable side chain of tissue (liver)-bound 4-hydroxybenzoyl hydrazide can be used as a marker to monitor its residue in chickens. For tobacco units. |
Last Update：2024-04-09 15:16:51
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