Basic information
- Name:
Acetohydroxamic acid
- CAS No.:
546-88-3
- Molecular Structure:
- Formula:
- C2H5NO2
- Molecular Weight:
- 75.07
- Synonyms:
- Acetohydroxamicacid (6CI,8CI);AHA;Acetic acid, oxime;Acetohydroximic acid;Acetylhydroxylamine;Hydroxylamine, N-acetyl-;Methylhydroxamic acid;N-Acetylhydroxylamine;N-Hydroxyacetamide;Acetomenadione;
- EINECS:
- 208-913-8
- Density:
- 1.155 g/cm3
- Melting Point:
- 88-90 °C(lit.)
- Boiling Point:
- 231.4 °C at 760 mmHg
- Flash Point:
- 127.6 °C
- Appearance:
- White crystalline solid
- Hazard Symbols:
T- Risk Codes:
- 61-40
- Safety Description:
- 53-45-36/37/39-22 Details
- Transport Information:
- UN 3263
- particular:
- particular
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Chemistry
Molecular Structure of Acetohydroxamic Acid (CAS NO.546-88-3):
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IUPAC Name: N-hydroxyacetamide
Empirical Formula: C2H5NO2
Molecular Weight: 75.0666
H bond acceptors: 3
H bond donors: 2
Freely Rotating Bonds: 1
Polar Surface Area: 29.54 Å2
Index of Refraction: 1.42
Molar Refractivity: 16.47 cm3
Molar Volume: 64.9 cm3
Surface Tension: 38.1 dyne/cm
Density: 1.155 g/cm3
Flash Point: 127.6 °C
Enthalpy of Vaporization: 54.41 kJ/mol
Boiling Point: 231.4 °C at 760 mmHg
Vapour Pressure: 0.0118 mmHg at 25°C
Melting point: 88-90 °C(lit.)
Sensitive: Hygroscopic
Apperance White Crystalline Solid
EINECS: 208-913-8
Product Categories: Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; All Inhibitors; Hydroxylamines (N-Substituted); Hydroxylamines; Inhibitors; Nitrogen Compounds; Organic Building Blocks
InChI
InChI=1/C2H5NO2/c1-2(4)3-5/h5H,1H3,(H,3,4)
Smiles
C(NO)(C)=O
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 1300mg/kg (1300mg/kg) | Proceedings of the Society for Experimental Biology and Medicine. Vol. 92, | |
| rat | LD50 | intraperitoneal | > 2gm/kg (2000mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 18, Pg. 645, 1968. |
Safety Profile
Hazard Codes: 
T
Risk Statements: 61-40
R61:May cause harm to the unborn child.
R40:Limited evidence of a carcinogenic effect.
Safety Statements: 53-45-36/37/39-22
S53:Avoid exposure - obtain special instructions before use.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S22:Do not breathe dust.
RIDADR: 3263
WGK Germany: 3
RTECS: AK8157000
Hazard Note: Toxic
PackingGroup: II
Specification
Acetohydroxamic Acid , with CAS number of 546-88-3, can be called Acetamide, N-hydroxy- ; Acetic acid, oxime ; Acethydroxamsaeure ; Acide acetohydroxamique ; Acidum acetohydroxamicum ; Hydroxylamine, N-acetyl- ; N-Acetylhydroxylamine ; N-Hydroxyacetamide . It is a white crystalline solid, Acetohydroxamic acid is a drug that is a potent and irreversible inhibitor of bacterial and plant urease. Acetohydroxamic Acid (CAS NO.546-88-3) is used for urinary tract infections.
