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| CAS No.: | 20850-43-5 |
|---|---|
| Name: | Piperonyl chloride |
| Article Data: | 53 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C8H7ClO2 |
| Molecular Weight: | 170.595 |
| Synonyms: | Toluene, a-chloro-3,4-(methylenedioxy)-(6CI,8CI);3,4-(Methylenedioxy)benzyl chloride;4-Chloromethyl-1,2-methylenedioxybenzene;5-(Chloromethyl)-1,3-benzodioxole;5-(Chloromethyl)benzodioxole;Benzo[1,3]dioxol-5-ylmethyl chloride;NSC 127686;Piperonyl chloride; |
| EINECS: | 244-081-2 |
| Density: | 1.33 g/cm3 |
| Melting Point: | 20.5°C |
| Boiling Point: | 257.387 °C at 760 mmHg |
| Flash Point: | 115.921 °C |
| Appearance: | Colorless liquid. |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36/37/39 |
| PSA: | 18.46000 |
| LogP: | 2.15410 |
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Chemistry
The MF of 1,3-Benzodioxole, 5- (chloromethyl)- (20850-43-5) is C8H7ClO2.
The MW of 1,3-Benzodioxole, 5- (chloromethyl)- (20850-43-5) is 170.59.
Synonyms of 1,3-Benzodioxole, 5- (chloromethyl)- (20850-43-5): 3,4-(Methylenedioxy)benzyl chloride ; 4-Chloromethyl-1,2-methylenedioxybenzene ; 5-(Chloromethyl)-1,3-benzodioxole ; Piperonyl chloride ; Toluene, .alpha.-chloro-3,4-(methylenedioxy)-
Sensitive: Moisture Sensitive/Lachrymatory
Solubility in water: Insoluble
Appearance: Colorless liquid
Index of Refraction: 1.571
EINECS: 244-081-2
Density: 1.329 g/ml
Flash Point: 115.9 °C
Boiling Point: 257.4 °C
Melting Point: 20.5 °C
Uses
1,3-Benzodioxole, 5- (chloromethyl)- (20850-43-5) is used as berberine hydrochloride (berberine) intermediates.
Production
With catechol and methylene chloride cyclization under alkaline conditions, generate pepper rings, and then with the trimer of formaldehyde, hydrochloric acid, chlorine, after methylation of the products obtained.
Safety Profile
Safety information of 1,3-Benzodioxole, 5- (chloromethyl)- (20850-43-5):
Hazard Codes 
Xi
Risk Statements
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39 Wear suitable protective clothing, gloves and eye/face protection