Dichloromethane has a wide range of uses. Because of its strong solubility and low toxicity, dichloromethane is widely used in the fields of film, coating dissolving agent, and aerosol spray agent. Do you know the stability of dichloromethane? Let's take this series of questions and follow Xiaobian to understand it.

1.毒性很小，且中毒后苏醒较快，故可用作麻醉剂。对皮肤及黏膜有刺激性。年轻成年大鼠经口LD50:1.6mL/kg。空气中高容许浓度500×10。操作时应戴防毒面具，发现中毒后立即脱离现场，对症。在甲烷的氯化物中小。蒸气的麻醉性强，大量吸入会引起急性中毒，出现鼻腔疼痛、头痛、呕吐等症状。慢性中毒时会引起眼花、疲倦、食欲不振、造血功能受损、红血球减少。液体二氯甲烷与皮肤接触引起皮炎。大鼠吸入浓度90.5g/m蒸气90分钟死亡。嗅觉阈浓度522mg/m，工作场所高容许浓度为1740mg/m。

1. The toxicity is very small, and the recovery is fast after poisoning, so it can be used as an anesthetic. It is irritating to skin and mucous membrane. Oral LD50 of young adult rats: 1.6ml/kg. The high allowable concentration in air is 500 × 10. Gas mask should be worn during operation. If poisoning is found, leave the scene immediately for symptomatic treatment. In the chloride of methane. The steam is strong in anaesthesia, a large amount of inhalation will cause acute poisoning, nasal pain, headache, vomiting and other symptoms. Chronic poisoning can cause blindness, fatigue, loss of appetite, impaired hematopoietic function, red blood cell reduction. Contact of liquid dichloromethane with skin causes dermatitis. Rats died after inhaling 90.5 g / M steam for 90 minutes. The olfactory threshold concentration was 522 mg / M and the high allowable concentration in workplace was 1740 mg / m.

2.稳定性:稳定。

2. Stability: stable.

3.避免接触的条件:光照、潮湿空气。

3. Conditions to avoid contact: light, moist air.

4.聚合危害:不聚合。

4. Polymerization hazard: no polymerization.

5.分解产物:氯化氢、光气。

5. Decomposition products: hydrogen chloride, phosgene.

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