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) |
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 |
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 |
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 |
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. |