Methylurethan
Methyl carbamate
CAS: 598-55-0
Molecular Formula: C2H5NO2
Methylurethan - Names and Identifiers
Methylurethan - Physico-chemical Properties
| Molecular Formula | C2H5NO2 |
| Molar Mass | 75.07 |
| Density | 1,14 g/cm3 |
| Melting Point | 56-58 °C (lit.) |
| Boling Point | 176-177 °C (lit.) |
| Flash Point | 93 °C |
| Water Solubility | 700 g/L (20 ºC) |
| Solubility | Easily soluble in water, but also soluble in organic solvents such as ethanol and acetone. |
| Vapor Presure | 0.976mmHg at 25°C |
| Appearance | White crystal |
| Color | White |
| Merck | 14,6036 |
| BRN | 635779 |
| pKa | 13.37±0.50(Predicted) |
| PH | 6-8 (50g/l, H2O, 20℃) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.4125 |
| MDL | MFCD00007964 |
| Physical and Chemical Properties | Character: white crystal. The solubility is easily soluble in water, and also soluble in organic solvents such as ethanol and acetone. |
| Use | It can be used as an intermediate for pesticide, medicine, synthetic resin modification and organic synthesis, etc. |
Methylurethan - Risk and Safety
| Risk Codes | R36 - Irritating to the eyes R40 - Limited evidence of a carcinogenic effect R61 - May cause harm to the unborn child |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S36 - Wear suitable protective clothing. S22 - Do not breathe dust. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S53 - Avoid exposure - obtain special instructions before use. |
| WGK Germany | 3 |
| RTECS | FC2450000 |
| TSCA | Yes |
| HS Code | 29241900 |
Methylurethan - Upstream Downstream Industry
| Raw Materials | Methyl chloroformate Ammonia |
Methylurethan - Nature
Open Data Verified Data
white crystals. Non-combustible. Very soluble in water, but also soluble in ethanol, acetone and other organic solvents. The melting point of 54 deg C, boiling point of 177 deg C.
Last Update：2024-01-02 23:10:35
Methylurethan - Safety
Open Data Verified Data
This product is a common organic chemicals, not eating basically non-toxic to people, skin contamination with water, soap wash.
This product is lined with 25kg cardboard barrel plastic bag, stored in a cool, ventilated, dry warehouse, transport process to prevent high temperature and moisture.
Last Update：2022-01-01 10:36:24
Methylurethan - Introduction
Solubility in water: 700G/L(20°C), extremely soluble in ethanol, soluble in acetone and ether.
Last Update：2022-10-16 17:26:51
Methylurethan - Use
Open Data Verified Data
used in pharmaceuticals, pesticides and other industries for organic synthesis intermediates, selective solvents for aromatic hydrocarbons, molten this product is also used as a variety of insoluble organic matter, resin solvent. Synthesis of dimethyl carbonate with methanol.
Last Update：2022-01-01 10:36:23
Methylurethan - Reference Information
| (IARC) carcinogen classification | 3 (Vol. 12, Sup 7) 1987 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | N-substituted allyl and N-substituted propargyl amines are prepared by substitution of allyl or propargyl alcohols catalyzed by bismuth carbamate. |
| uses | used as intermediates in pharmaceuticals, pesticides, organic synthesis used as intermediates in organic synthesis in pharmaceuticals, pesticides and other industries, selective Solvent for aromatic hydrocarbons, molten this product is also used as a variety of insoluble organic matter, resin solvent. Synthesis of dimethyl carbonate with methanol. |
| production method | is obtained by reacting urea with methanol. The methanol was heated to slight boiling, and urea was added in portions with stirring, and refluxed for 30H after the addition. After the excess methanol was recovered, the extract was extracted twice by boiling with petroleum ether for fractional distillation, and the 175-177 ° C. Fraction was collected as methyl carbamate. The yield was 75%. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:21:28
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Raw Materials for Methylurethan