4-PHENYLSEMICARBAZIDE
- CAS NO.：537-47-3
- Empirical Formula: C7H9N3O
- Molecular Weight: 151.17
- MDL number: MFCD00007590
- EINECS: 208-669-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 17:18:47
What is 4-PHENYLSEMICARBAZIDE?
Chemical properties
white crystalline powder or flakes
What are the applications of Application
4-Phenylsemicarbazide is A chemical used for the detection of aldehydes and ketones
Definition
ChEBI: Chondroitin sulfate E (GalNAc4,6diS-GlcA), precursor 5a is a member of ureas.
Purification Methods
Crystallise it from water and dry it in a vacuum over KOH. [Beilstein 12 II 221, 12 III 822.]
Properties of 4-PHENYLSEMICARBAZIDE
| Melting point: | 122-125 °C(lit.) |
| Boiling point: | 273.17°C (rough estimate) |
| Density | 1.2100 (rough estimate) |
| refractive index | 1.5860 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | powder to crystal |
| pka | 10.52±0.20(Predicted) |
| color | White to Almost white |
| Water Solubility | 699.5mg/L(15 ºC) |
| Sensitive | Air Sensitive |
| Merck | 14,7312 |
| BRN | 511107 |
| CAS DataBase Reference | 537-47-3(CAS DataBase Reference) |
Safety information for 4-PHENYLSEMICARBAZIDE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P233:Keep container tightly closed. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304:IF INHALED: P312:Call a POISON CENTER or doctor/physician if you feel unwell. P321:Specific treatment (see … on this label). P340:Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362:Take off contaminated clothing and wash before reuse. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. P403:Store in a well-ventilated place. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..… |
Computed Descriptors for 4-PHENYLSEMICARBAZIDE
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