The 4-Methoxyphenylhydrazine hydrochloride, with the CAS registry number 19501-58-7, is also known as 1-(4-Methoxyphenyl)hydrazine hydrochloride. It belongs to the product categories of Amines and Anilines; Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes; Phenylhydrazine; Hydrazines; Nitrogen Compounds; Organic Building Blocks. Its EINECS registry number is 243-115-3. This chemical's molecular formula is C₇H₁₁ClN₂O and molecular weight is 174.63. What's more, its IUPAC name is the same with product name. It should be stored in a cool, dry and well-ventilated place.

Physical properties about 4-Methoxyphenylhydrazine hydrochloride are: (1)ACD/LogP: 1.199; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.84; (4)ACD/LogD (pH 7.4): 1.19; (5)ACD/BCF (pH 5.5): 2.11; (6)ACD/BCF (pH 7.4): 4.73; (7)ACD/KOC (pH 5.5): 47.11; (8)ACD/KOC (pH 7.4): 105.33; (9)#H bond acceptors: 3; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 15.71 Å²; (13)Flash Point: 121.8 °C; (14)Enthalpy of Vaporization: 51.64 kJ/mol; (15)Boiling Point: 277.8 °C at 760 mmHg; (16)Vapour Pressure: 0.00443 mmHg at 25 °C.

Uses of 4-Methoxyphenylhydrazine hydrochloride: it is used to produce other chemicals. For example, it can react with (3-oxo-butyl)-phosphonic acid diethyl ester to get methyl-2 methoxy-5 indole-3-methylphosphonate de diethyle. The reaction occurs with solvent ethanol and other condition of heating. The yield is 85 %.

When you are dealing with this chemical, you should be very careful. This chemical is inflammation to the skin, eyes and respiratory system. It may cause damage to health by inhalation, in contacting with skin and if swallowed. Therefore, you should wear suitable protective clothing, gloves and eye/face protection. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: Cl.O(c1ccc(NN)cc1)C
(2) InChI: InChI=1S/C7H10N2O.ClH/c1-10-7-4-2-6(9-8)3-5-7;/h2-5,9H,8H2,1H3;1H
(3) InChIKey: FQHCPFMTXFJZJS-UHFFFAOYSA-N