4-Methylbenzoic acid hydrazide - Names and Identifiers
4-Methylbenzoic acid hydrazide - Physico-chemical Properties
Molecular Formula | C8H10N2O
|
Molar Mass | 150.18 |
Density | 1.1392 (rough estimate) |
Melting Point | 116-118 °C (lit.) |
Boling Point | 271.72°C (rough estimate) |
Maximum wavelength(λmax) | 198nm(MeOH)(lit.) |
BRN | 607602 |
pKa | 12.80±0.10(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
Refractive Index | 1.6180 (estimate) |
MDL | MFCD00007607 |
4-Methylbenzoic acid hydrazide - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R22 - Harmful if swallowed
|
Safety Description | 24/25 - Avoid contact with skin and eyes.
|
WGK Germany | 3 |
HS Code | 29280090 |
Hazard Class | IRRITANT |
4-Methylbenzoic acid hydrazide - Introduction
p-Toluic hydrazide(p-Toluic hydrazide) is an organic compound with the chemical formula C8H9N3O and structurally containing tolyl and formyl hydrazide groups. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: p-Toluic hydrazide is white crystal or crystalline powder.
-Melting point: about 168-170 ℃.
-Solubility: p-Toluic hydrazide have good solubility in non-polar solvents, such as ether, acetone and benzene, but have low solubility in water.
-Chemical properties: p-Toluic hydrazide is a stable compound, which is not easy to decompose at room temperature.
Use:
- p-Toluic hydrazide are often used as important intermediates in organic synthesis and can be used to synthesize other organic compounds.
-It can also be used as a raw material for dye intermediates and rubber addition agents.
Preparation Method:
The preparation of p-Toluic hydrazide can usually be obtained by reacting p-toluoyl chloride (p-Toluic acid chloride) with hydrazine (hydrazine). The reaction is usually carried out in an appropriate solvent and heated at an appropriate temperature.
Safety Information:
p-Toluic hydrazide are generally considered to be relatively safe compounds, but the following should be noted:
-Inhalation or contact with p-Toluic hydrazide may cause irritation to the skin, eyes and respiratory tract.
-When processing and using this compound, proper protective measures must be taken, such as wearing gloves, face masks and protective glasses.
- p-Toluic hydrazide should be stored in a dry, cool, well-ventilated place, away from fire and oxidizing agents.
Last Update:2024-04-10 22:29:15