Malonaldehyde biscdimethyl
Malonaldehyde bis(dimethyl acetal)
CAS: 102-52-3
Molecular Formula: C7H16O4
Malonaldehyde biscdimethyl - Names and Identifiers
Malonaldehyde biscdimethyl - Physico-chemical Properties
| Molecular Formula | C7H16O4 |
| Molar Mass | 164.2 |
| Density | 0.997 g/mL at 25 °C (lit.) |
| Boling Point | 183 °C (lit.)70-75 °C/15 mmHg (lit.) |
| Flash Point | 130°F |
| Water Solubility | IMMISCIBLE |
| Vapor Presure | 1.7 hPa (20 °C) |
| Appearance | Liquid |
| Color | Clear colorless to yellow-brown |
| BRN | 1700020 |
| PH | 7 (H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.407(lit.) |
| Use | Used as pharmaceutical and dye intermediates, can also be used as an intermediate of agricultural products preservative |
Malonaldehyde biscdimethyl - Risk and Safety
| Hazard Symbols | F - Flammable |
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 1 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| HS Code | 29110000 |
| Hazard Note | Irritant |
| Hazard Class | 3 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 2440 mg/kg |
Malonaldehyde biscdimethyl - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | for pharmaceutical and dye intermediates, can also be used as an intermediate of agricultural products preservative This product is used for pharmaceutical and dye intermediates, can also be used as an intermediate of agricultural products preservative |
| production method | from 3-nitrop-aminoanisole with iron powder reduction. 60% acetic acid and 3-nitrop-aminoanisole were added to the reduction pot, stirred for half an hour, and iron powder was added. The reaction was heated to 60%, and the reaction was maintained at an end point until the liquid-liquid permeation ring was colorless, and 4-methoxy-1, 2-phenylenediamine was generated by reduction. |
Last Update：2024-04-09 19:05:07
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