Acetamidine hydrochloride
- CAS NO.:124-42-5
- Empirical Formula: C2H7ClN2
- Molecular Weight: 94.54
- MDL number: MFCD00013016
- EINECS: 204-700-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02
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What is Acetamidine hydrochloride?
Chemical properties
WHITE FINE CRYSTALLINE POWDER
The Uses of Acetamidine hydrochloride
Acetamidine hydrochloride was used in the preparation of decarboxyectoine. It was also used in the synthesis of ethyl 4-(4-hydroxyphenyl)methylidene-2-methyl-5-oxo-1-imidazolacetate.
General Description
Acetamidine hydrochloride is an amidine salt and its conversion to 2,4,6-trimethyl-sym-triazine has been studied.
Purification Methods
The hydrochlorde can be recrystallised from small volumes of EtOH. Alternatively it is dissolved in EtOH, filtered, Et2O is added; filter the crystalline salt off under N2 and dry it in a vacuum desiccator over H2SO4. The salt is deliquescent and should be stored in a tightly stoppered container. Its solubility in H2O is 10% at room temperature and it is soluble in Me2CO. The free base reacts strongly alkaline in H2O. It has max 224nm ( 4000) in H2O. The picrate has m 252o (sintering at ~245o). [Dox Org Synth Coll Vol I 5 1941, Davies & Parsons Chem Ind (London) 628 1958, Barnes et al. J Am Chem Soc 62 1286 1940 give m 177-178o, Beilstein 2 H 185, 2 I 85, 2 II 183, 2 III 416, 2 IV 428.]
Properties of Acetamidine hydrochloride
Melting point: | 165-170 °C(lit.) |
Boiling point: | 129.78°C (rough estimate) |
Density | 1.0596 (rough estimate) |
refractive index | 1.5500 (estimate) |
storage temp. | Inert atmosphere,Room Temperature |
form | Crystalline Powder, Crystals and/or Chunks |
pka | pK1: 1.60(+1) (25°C) |
color | White to cream |
Water Solubility | 1 g/mL |
Sensitive | Hygroscopic |
Merck | 14,44 |
BRN | 3591762 |
CAS DataBase Reference | 124-42-5(CAS DataBase Reference) |
EPA Substance Registry System | Ethanimidamide, monohydrochloride (124-42-5) |
Safety information for Acetamidine hydrochloride
Signal word | Warning |
Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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. |
Computed Descriptors for Acetamidine hydrochloride
InChIKey | WCQOBLXWLRDEQA-UHFFFAOYSA-N |
Acetamidine hydrochloride manufacturer
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