759-73-9
Product Name:
N-NITROSO-N-ETHYLUREA
Formula:
C3H7N3O2
Synonyms:
ENU;N-Ethyl-N-nitrosourea
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | N-nitroso-n-ethylurea appears as yellow-pink crystals or off-white powder. Sensitive to light. |
|---|---|
| Color/Form | Very pale pink crystalline solid |
| Melting Point | 217 to 219 °F (decomposes) (NTP, 1992) |
| Solubility | 10 to 50 mg/mL at 70 °F (NTP, 1992) |
| Vapor Pressure | 0.01 [mmHg] |
| LogP | log Kow = 0.23 |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | Hazardous decomposition products formed under fire conditions - Carbon oxides, nitrogen oxides (NOx). |
| Other Experimental Properties | Decomposes to diazoethane in alkaline solutions; stability in aqueous solutions is pH dependent: pH 4.0, half-life 190 hours; pH 6.0, half-life 31 hours; pH 7.0, half-life 1.5 hours; pH 8.0, half-life 0.1 hours; pH 9.0, half-life 0.05 hours (at 20 °C). |
| Chemical Classes | Nitrogen Compounds -> Other Nitrogen Compounds |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H350:Carcinogenicity H360:Reproductive toxicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
COMPUTED DESCRIPTORS
| Molecular Weight | 117.11 g/mol |
|---|---|
| XLogP3 | 0.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 117.053826475 g/mol |
| Monoisotopic Mass | 117.053826475 g/mol |
| Topological Polar Surface Area | 75.8 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 103 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
N-nitroso-n-ethylurea appears as yellow-pink crystals or off-white powder. Sensitive to light.