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4-Methoxyphenylhydrazine hydrochloride

CAS No.
19501-58-7
Chemical Name:
4-Methoxyphenylhydrazine hydrochloride
Synonyms
AURORA KA-1052;Indomethacin impurity 4;(4-methoxyanilino)azanium;4-Methoxyphenyhydrozine HCL;Indomethacin impurity 4 HCl;Indomethacin Impurity 1 HCl;p-anisidinoammonium chloride;4-METHOXYPHENYLHYDRAZINE HCL;4-ANISYLHYDRAZINE HYDROCHLORIDE;4-HYDRAZINOANISOLE HYDROCHLORIDE
CBNumber:
CB9218707
Molecular Formula:
C7H11ClN2O
Molecular Weight:
174.63
MDL Number:
MFCD00012945
MOL File:
19501-58-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-24 14:58:57
Product description Number Pack Size Price
4-Methoxyphenylhydrazine hydrochloride 98% 152137 10g $182
4-Methoxyphenylhydrazine hydrochloride 98% 152137 50g $375
4-Methoxyphenylhydrazine Hydrochloride >98.0%(HPLC)(T) M0637 5g $54
4-Methoxyphenylhydrazine Hydrochloride >98.0%(HPLC)(T) M0637 25g $162
4-Methoxyphenylhydrazine Hydrochloride M265880 5g $140
More product size

4-Methoxyphenylhydrazine hydrochloride Properties

Melting point 160-162 °C (dec.)(lit.)
storage temp. Keep Cold
solubility DMSO (Slightly), Methanol (Slightly)
form Powder, Crystals and/or Chunks
color Slightly pink to gray to purple
Water Solubility soluble
BRN 3566583
Stability Light Sensitive
InChI InChI=1S/C7H10N2O.ClH/c1-10-7-4-2-6(9-8)3-5-7;/h2-5,9H,8H2,1H3;1H
InChIKey FQHCPFMTXFJZJS-UHFFFAOYSA-N
SMILES C1(NN)=CC=C(OC)C=C1.Cl
CAS DataBase Reference 19501-58-7(CAS DataBase Reference)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302+H312+H332-H317
Precautionary statements  P261-P264-P280-P301+P312-P302+P352+P312-P304+P340+P312
PPE dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Hazard Codes  Xn,Xi
Risk Statements  20/21/22-36/37/38
Safety Statements  36/37-36-26
RIDADR  2811
WGK Germany  3
Hazard Note  Irritant/Harmful
HazardClass  IRRITANT, KEEP COLD
PackingGroup  III
HS Code  29280090
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Skin Sens. 1
NFPA 704
1
2 0

4-Methoxyphenylhydrazine hydrochloride price More Price(42)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 152137 4-Methoxyphenylhydrazine hydrochloride 98% 19501-58-7 10g $182 2026-04-30 Buy
Sigma-Aldrich 152137 4-Methoxyphenylhydrazine hydrochloride 98% 19501-58-7 50g $375 2026-04-30 Buy
TCI Chemical M0637 4-Methoxyphenylhydrazine Hydrochloride >98.0%(HPLC)(T) 19501-58-7 5g $54 2026-04-30 Buy
TCI Chemical M0637 4-Methoxyphenylhydrazine Hydrochloride >98.0%(HPLC)(T) 19501-58-7 25g $162 2026-04-30 Buy
TRC M265880 4-Methoxyphenylhydrazine Hydrochloride 19501-58-7 5g $140 2021-12-16 Buy
Product number Packaging Price Buy
152137 10g $182 Buy
152137 50g $375 Buy
M0637 5g $54 Buy
M0637 25g $162 Buy
M265880 5g $140 Buy

4-Methoxyphenylhydrazine hydrochloride Chemical Properties,Uses,Production

Description

4-Methoxyphenylhydrazine hydrochloride is a kind of midbody that is mainly used for producing phenylhydrazine, and can also be used to make other Chemicals. The reparation technology of 4-Methoxyphenylhydrazine hydrochloride comprises aniline diazonium and benzene diazonium chloride diazo benzene chloride two-step process.

Chemical Properties

slightly pink to greyish-purple powder

Uses

4-Methoxyphenylhydrazine hydrochloride was used in the preparation of 5-cyano-3-(5-methoxy-2-methylindol-3-yl)-1,2,4-thiadiazole.

Synthesis

4-Methoxyphenylhydrazine hydrochloride Preparation Process: Take hydrochloric acid and sodium nitrite and add them sequentially to aniline, where the molar ratio of aniline to hydrochloric acid to sodium nitrite is 1:2.3 to 3.2:1 to 1.1, and sodium nitrite is added at 0 to 5°C. The reaction temperature is 0 to 22°C, and the reaction time is 30 to 90 minutes. Then add ammonium sulfite and hydrochloric acid according to a molar ratio to aniline of 1:2 to 3.5:2.5 to 3.0. After reduction, hydrolysis, and acidification, the product can be obtained by filtration or centrifugation.

References

[1] Bioorganic and Medicinal Chemistry, 2015, vol. 23, # 13, p. 3322 - 3336
[2] Journal of Heterocyclic Chemistry, 1995, vol. 32, # 1, p. 1 - 11
[3] Russian Chemical Bulletin, 2005, vol. 54, # 10, p. 2417 - 2424
[4] European Journal of Medicinal Chemistry, 2010, vol. 45, # 10, p. 4692 - 4696
[5] Journal of Organic Chemistry, 2011, vol. 76, # 13, p. 5295 - 5308

104-94-9
19501-58-7
Synthesis of 4-Methoxyphenylhydrazine hydrochloride from p-Anisidine
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View Lastest Price from 4-Methoxyphenylhydrazine hydrochloride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Methoxyphenylhydrazine hydrochloride pictures 2026-04-30 4-Methoxyphenylhydrazine hydrochloride
19501-58-7
US $0.00 / KG 1KG 98%min 30tons/month WUHAN FORTUNA CHEMICAL CO., LTD
4-Methoxyphenylhydrazine hydrochloride pictures 2026-03-20 4-Methoxyphenylhydrazine hydrochloride
19501-58-7
US $10.00 / KG 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
4-Methoxyphenylhydrazine hydrochloride pictures 2025-09-25 4-Methoxyphenylhydrazine hydrochloride
19501-58-7
US $10.00-0.80 / KG 1KG 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
4-METHOXYPHENYLHYDRAZINIUM CHLORIDE FOR IndoMethacin iMpurity (4-Methoxyphenylhydrazine hydrochloride) Hydrazine,(4-Methoxyphenyl)-, hydrochloride (1:1) (4-methoxyphenyl)hydrazine dihydrochloride 4-Methoxyphenylhydrazinium chloride for synthesis [(4-methoxyphenyl)amino]ammonium chloride [(4-methoxyphenyl)amino]azanium chloride p-anisidinoammonium chloride P-METHOXY-PHENYLHYDRAZINE-HYDROCHLORIDE P-METHOXYPHENYLHYDRAZINIUM CHLORIDE PARA METHOXY PHENYL HYDRAZINE HYDROCHLORIDE AURORA KA-1052 1-(4-METHOXYPHENYL)HYDRAZINE HYDROCHLORIDE 4-HYDRAZINOANISOLE HYDROCHLORIDE 4-METHOXYPHENYLHYDRAZINE HCL 4-METHOXYPHENYLHYDRAZINE HYDROCHLORIDE 4-METHOXYPHENYLHYDRAZINIUM HYDROCHLORIDE 4-ANISYLHYDRAZINE HYDROCHLORIDE Hydrazine, (4-methoxyphenyl)-, monohydrochloride 4-Methoxyphenylhydrazine hydrochloride 98% 4-Methoxyphenylhydrazinehydrochloride98% 4-Methoxyphenylhydrazinehydrochloridel p-Methoxy phenyl hydrazine hydrocloride 4-Methoxyphenyhydrozine HCL 4-Methoxyphenylhydrazine Hcl 98 % 4-Hydrazinoanisole hydrochloride, 4-Hydrazinophenyl methyl ether hydrochloride 4-Methoxyphenylhydrazine hydrochloride, 98% 10GR Indomethacin impurity 4 4-MethoxyphenylhydrazineHydrochloride> Indomethacin impurity 4 HCl 4-Methoxyphenylhydrazine hydrochloride ISO 9001:2015 REACH (4-methoxyanilino)azanium Indomethacin Impurity 1 HCl 4-Methoxyphenylhydrazine hydrochloride,97% 19501-58-7 19502-58-7 19501-59-7 C7H10N2O1 CH3OC6H4NHNH2HCl C7H10N2OHCl C7H10N2OHCI Building Blocks Organic Building Blocks Nitrogen Compounds Hydrazines Phenylhydrazine Hydrazines Nitrogen Compounds Organic Building Blocks Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes Amines and Anilines