Propanedial bis(dimethyl acetal)
Malonaldehyde bis(dimethyl acetal)
CAS: 102-52-3
Molecular Formula: C7H16O4
Propanedial bis(dimethyl acetal) - Names and Identifiers
Propanedial bis(dimethyl acetal) - 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 |
Propanedial bis(dimethyl acetal) - 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 |
Propanedial bis(dimethyl acetal) - 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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View History
Propanedial bis(dimethyl acetal)
组氨酸苄酯对甲苯磺酸盐
2-乙炔基-5-氟吡啶
4-AMINOACETOPHENONE OXIME
(S)-(+)-2-氨基-3-羟基-3-甲基丁酸, L(+)-BETA-羟基缬氨酸
2,3-PYRAZINEDICARBOXLIC ANHYDRIDE
4-NITROPHENYLBORONIC ACID
PYRIBUTYCARB
呋肟霉素
组氨酸苄酯对甲苯磺酸盐
2-乙炔基-5-氟吡啶
4-AMINOACETOPHENONE OXIME
(S)-(+)-2-氨基-3-羟基-3-甲基丁酸, L(+)-BETA-羟基缬氨酸
2,3-PYRAZINEDICARBOXLIC ANHYDRIDE
4-NITROPHENYLBORONIC ACID
PYRIBUTYCARB
呋肟霉素