4-Hydroxybenzhydrazide
SIGMA/H9882 - ≥97%
Synonym: 4-Hydroxybenzoic hydrazide; 4-
CAS Number: 5351-23-5
Empirical Formula (Hill Notation): C7H8N2O2
Molecular Weight: 152.15
EC Number: 226-326-5
MDL Number: MFCD00007605
Linear Formula: HOC6H4CONHNH2
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: H9882-100G
| assay | ≥97% |
| biological source | synthetic |
| fluorescence | λex 360 nm; λem 425 nm (reacted with 5-hydroxymethyl-furaldehy |
| form | powder |
| InChI | 1S/C7H8N2O2/c8-9-7(11)5-1 |
| InChI key | ZMZGIVVRBMFZSG-UHFFFAOYSA |
| mp | 264-266 °C (dec.) (lit.) |
| Quality Level | 100  |
| SMILES string | NNC(=O)c1ccc(O)cc1 |
| solubility | acetic acid: water (1:1): 25 mg/mL, clear, colorless to faintly yellow |
| Application: | 4-Hydroxybenzhydrazide has been used: • for determining the concentration of maltose from starch digestion • for analysis of sugars from fructan containing food hydrolysate • in colorimetric assay for reducing sugar estimation from processed feedstuff |
| Biochem/physiol Actions: | 4-Hydroxybenzhydrazide (PAHBAH), is used for assaying α-amylase and glucoamylase activities. The assay based on PAHBAH measures non-specifically the free reducing sugar groups present in samples at 415nm colorimetrically. |
| Packaging: | 25, 100 g in poly bottle |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315 - H319 - H335 |
| Precautionary statements | P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥97% |
| mp | 264-266 °C (dec.) (lit.) |
| UNSPSC | 12352204 |