| Product Identification | Back to Contents | 【Product Name】
5-(Chloromethyl)-1,3-benzodioxole | 【Synonyms】
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 | 【CAS】
20850-43-5 | 【Formula】
C8H7ClO2 | 【Molecular Weight】
170.6 | 【EINECS】
244-081-2 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless liquid. | 【Solubility in water】
Insoluble | 【Melting Point】
20.5 | 【Boiling Point】
257 | 【Vapor Pressure】
0.024 (25 C) | 【Density】
1.312 g/cm3 (25 C) | 【Partition Coefficient】
2.35 | 【Heat Of Vaporization】
47.5 kJ/mol | 【Vapor Density】
5.88 | 【Refractive Index】
1.5660 (20<sup>o</sup>C) |
| First Aid Measures | Back to Contents | 【Ingestion】
If swallowed, do NOT induce vomiting. Get medical aid immediately. If victim is fully conscious, give a cupful of water. Never give anything by mouth to an unconscious person. | 【Inhalation】
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If breathing is difficult, give oxygen. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask. | 【Skin】
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. | 【Eyes】
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub eyes or keep eyes closed. |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Wear appropriate protective gloves and clothing to prevent skin exposure. | 【Respirators】
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. | 【Exposure Effects】
Causes burns of the eyes, skin and mucous membranes. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
116 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguish using foam, dry chemical, or carbon dioxide. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Hydrogen chloride, chlorine, carbon monoxide, carbon dioxide. | 【Combustion Products】
During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. |
| Hazards Identification | Back to Contents | 【Hazards】
Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas. | 【EC Risk Phrase】
R: 34 | 【EC Safety Phrase】
S: 26 36/37/39 45 |
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