ChemicalBook >> CAS DataBase List >>4-Hydroxybenzhydrazide

4-Hydroxybenzhydrazide

CAS No.
5351-23-5
Chemical Name:
4-Hydroxybenzhydrazide
Synonyms
4-HYDROXYBENZOHYDRAZIDE;PAHBAH;DK841;NSC647;NSC 647;ST5046190;4OHPhCON2;AIDS009023;EU-0100568;(4-Hydroxyb
CBNumber:
CB9756331
Molecular Formula:
C7H8N2O2
Molecular Weight:
152.15
MDL Number:
MFCD00007605
MOL File:
5351-23-5.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-04 08:02:39

4-Hydroxybenzhydrazide Properties

Melting point 264-266 °C (dec.)(lit.)
Boiling point 274.61°C (rough estimate)
Density 1.2804 (rough estimate)
refractive index 1.5200 (estimate)
storage temp. Store at +15°C to +25°C.
solubility 26.5g/l
form Fine Crystalline Powder
pka 8.57±0.15(Predicted)
color White to slightly beige
biological source synthetic
Water Solubility 26.5g/L
λmax 245nm(MeOH)(lit.)
BRN 473052
InChI 1S/C7H8N2O2/c8-9-7(11)5-1-3-6(10)4-2-5/h1-4,10H,8H2,(H,9,11)
InChIKey ZMZGIVVRBMFZSG-UHFFFAOYSA-N
SMILES NNC(=O)c1ccc(O)cc1
CAS DataBase Reference 5351-23-5(CAS DataBase Reference)
FDA UNII Y4G7G6U5GQ
NIST Chemistry Reference P-hydroxybenzoic acid, hydrazide(5351-23-5)
UNSPSC Code 12352204
NACRES NA.32

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xi,C
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  3
HazardClass  IRRITANT
HS Code  29280090
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
REACH Registrations Active
NFPA 704
1
2 0

4-Hydroxybenzhydrazide price More Price(55)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich H9882 4-Hydroxybenzhydrazide ≥97% 5351-23-5 25g $77.8 2026-04-30 Buy
Sigma-Aldrich H9882 4-Hydroxybenzhydrazide ≥97% 5351-23-5 100g $248 2026-04-30 Buy
Sigma-Aldrich 8.41410 4-Hydroxybenzhydrazide for synthesis 5351-23-5 5g $42.7 2026-04-30 Buy
Sigma-Aldrich 8.41410 4-Hydroxybenzhydrazide for synthesis 5351-23-5 25G $88.7 2026-04-30 Buy
TCI Chemical H1275 4-Hydroxybenzohydrazide >98.0%(HPLC) 5351-23-5 25g $93 2026-04-30 Buy
Product number Packaging Price Buy
H9882 25g $77.8 Buy
H9882 100g $248 Buy
8.41410 5g $42.7 Buy
8.41410 25G $88.7 Buy
H1275 25g $93 Buy

4-Hydroxybenzhydrazide Chemical Properties,Uses,Production

Chemical Properties

white to slightly beige fine crystalline powder

Uses

4-Hydroxybenzhydrazide is a reagent for the rapid automated determination of serum glucose.It can be used as an indicator for the determination of carbohydrates. The acid-hydrolyzable side chains of tissue (liver) bound 4-Hydroxybenzhydrazide can be used as markers to monitor its residues in chickens.

Uses

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.

99-76-3
5351-23-5
Synthesis of 4-Hydroxybenzhydrazide from Methylparaben
Global( 286)Suppliers
Supplier Tel Email Country ProdList Advantage
Xingtai Zhuowang Biotechnology Co. , Ltd. 15227351060; 15227351060 1032018463@qq.com China 90 58
Creasyn Finechem(Tianjin) Co., Ltd. 022-83946278 13820372920 sales@creasyn.com China 968 68
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Accela ChemBio Co.,Ltd. 021-50795510 4000665055 marketing@accelachem.com China 10972 64

View Lastest Price from 4-Hydroxybenzhydrazide manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Hydroxybenzhydrazide pictures 2026-09-08 4-Hydroxybenzhydrazide
5351-23-5
500g 98% 1000 KG Henan Alfa Chemical Co., Ltd
4-Hydroxybenzhydrazide pictures 2026-08-25 4-Hydroxybenzhydrazide
5351-23-5
$70.00-700.00 1KG 0.99 20 tons Zibo Hangyu Biotechnology Development Co., Ltd
4-Hydroxybenzhydrazide pictures 2019-07-06 4-Hydroxybenzhydrazide
5351-23-5
$1.00 1KG 98% 200kg Career Henan Chemical Co
4-HYDROXYBENZOIC ACID HYDRAZIDE 4-HYDROXYBENZHYDRAZIDE AKOS BBS-00008116 4-Hydroxybenzhydrazide, 98+% p-hydroxybenzonic acide hydrazidde 4-HYDROXYBENZHYDRAZIDE, FOR FLUORESCENCE 4-Hydroxybenzoic hydrazide, 4-Hydroxybenzoylhydrazine, p-Hydroxybenzoic acid hydrazide 4-HYDROXYBENZOIC ACID HYDRAZIDE 98% 4-Hydroxybenzenecarbohydrazide Oprea1_145739 ST5046190 ZINC00122698 4-Hydroxybenzhydrazide≥ 98% (HPLC) PAHBAH (para hydroxyl benzoic acid hydrazide) 4-Hydroxybenzhydrazide,4-Hydroxybenzoic hydrazide, 4-Hydroxybenzoylhydrazine, p-Hydroxybenzoic acid hydrazide 4-Hydroxybenzoic acid hydrazide,98% 4-Hydroxybenzoic acid hydrazide, 98% 100GR 4-Hydroxybenzoylhydrazine 4-Hydroxybenzoic Hydrazide Nifuroxazide IMpurity (A as per EP) Hydroxybenzhydrazide (4-Hydroxyb 4OHPhCON2 AIDS009023 AIDS-009023 Benzoic acid, 4-hydroxy-, hydrazide (9CI) P-HYDROXYBENZOYLHYDRAZINE P-HYDROXYBENZHYDRAZIDE P-HYDROXYBENZOIC ACID HYDRAZIDE LABOTEST-BB LT00053673 4-HYDROXYBENZOIC HYDRAZIDE 4-HYDROXYBENZOYLHYDRAZINE Benzoic acid, p-hydroxy-, hydrazide (8CI) EINECS 226-326-5 EU-0100568 H9882_SIGMA Lopac0_000568 Lopac-H-9882 NCGC00015528-01 NSC 647 NSC647 Benzoic acid, 4-hydroxy-, hydrazide Benzoic acid, p-hydroxy-, hydrazide para-Hydroxybenzoic acid hydrazide p-Hydroxybenzoic hydrazide 4-Hydroxybenzohydrazide (p-Hydroxyb 4-Hydroxybenzhydrazide, 98%, reagent grade 4-Hydroxybenzohydrazide> 4-HYDROXYBENZHYDRAZIDE FOR SYNTHESIS DK841 Nifuroxazide Impurity A 4-Hydroxybenzhydrazide (4-HBH) 4-Hydroxybenzhydrazide,≥97.5% 4-Hydroxybenzohydrazide (p-Hydroxybenzohydrazide) 4-Hydroxybenzohydrazide (Nifuroxazide Impurity) Nifuroxazide EP Impurity A (p-Hydroxybenzohydrazide) 4-HYDROXYBENZOHYDRAZIDE PAHBAH 5351-23-5