China Fixed Competitive Price T Ebulition Dichloromethane - Trichloromethane – Debon factory and manufacturers

Fixed Competitive Price T Ebulition Dichloromethane - Trichloromethane – Debon

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Fixed Competitive Price T Ebulition Dichloromethane - Trichloromethane – Debon Detail:

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CHinese name：Trichloromethane

Dangerous goods number：61553

English name：Trichloromethane；Chloroform

UN number：1888

Molecular formula：CHCl₃

Molecular weight：119.39

CAS number：67-66-3

Physical and chemical properties

Appearance and traits

A colorless, transparent, heavy liquid that is highly volatile and has a distinctive odor.

Melting point (°C)

-63.5

Relative density(water=1)

1.50

Relative density(air=1)

13.33(10.4℃)

Boiling point (°C)

61.3

Saturated vapor pressure（kPa）

30.55/10℃

Solubility

Slightly soluble in water, soluble in ethanol and ether.

Toxicity and health hazards

Exposure limit

Time-weighted average allowable concentration (mg/m3)

200

Short-term exposure allowable concentration (mg/m3)

300

Maximum allowable concentration (mg/m3)

Route of invasion

Inhalation, ingestion, percutaneous absorption.

toxicity

LD50：908mg/kg(Rat oral)

LC50：47702mg/m³，4hours (Rat inhalation)

Health hazard

Dichloromethane is an anesthetic that causes respiratory and circulatory central paralysis and can cause pulmonary edema. Acute poisoning: patients may have dizziness, headache, vomiting and mucous membrane irritation in the eyes and upper respiratory tract. In severe cases, bronchitis and pulmonary edema may occur, and anesthesia symptoms such as coma may occur. Chronic effects: Long-term exposure mainly includes headache, fatigue, dizziness, loss of appetite, slow movement, and sleepiness. May cause skin damage, skin defatting, dryness, scaling and chapping.

Burning explosion hazard

Flammability

Nonflammable

Combustion decomposition product

Hydrogen chloride

Phosgene

Flash point (°C)

Upper explosion limit (v%)

Ignition temperature (°C)

Lower explosion limit (v%)

Dangerous characteristics

In case of fire, high heat is flammable. Decomposition by heat can release highly toxic phosgene. In case of high heat, the internal pressure of the container increases, posing a risk of cracking and explosion.

Construction fire risk classification

stability

polymerization hazard

No aggregation

Incompatibility

Alkali

aluminum

Fire fighting methods

Extinguish with water, foam, carbon dioxide, and sand.

first-aid

Skin contact: Remove contaminated clothing and rinse thoroughly with soap and water. Eye contact: Immediately lift eyelids and rinse with plenty of running water or saline. Inhalation: Remove quickly from the scene to fresh air. Give oxygen when breathing is difficult. Once breathing stops, begin CPR immediately. Seek medical attention. Ingestion: Ingestion of a large amount of warm water, induce vomiting, seek medical attention.

Leakage disposal

Evacuate the personnel in the contaminated area to a safe area, prohibit unrelated personnel from entering the contaminated area and cut off the fire source. It is recommended that emergency personnel wear self-contained breathing apparatus and wear general fire protective clothing. Stop leaks while ensuring safety. It is mixed with sand or other non-combustible adsorbent and then collected and transported to a waste disposal site for disposal. If there is a large amount of leakage, use the dike to be contained, and then collect, transfer, recycle or waste after disposal.

Storage and transportation considerations

1 Storage Precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat. Prevent sun exposure. Keep the container sealed. It should be stored separately from oxidants and acids. Can not be mixed and mixed. Lightly load and unload during handling to prevent damage to packaging and containers. Pay attention to personal protection for dispensing and handling operations. 2 Transportation precautions: Before the transmission, check whether the packaging container is complete and sealed. During transportation, ensure that the container does not leak, collapse, fall or damage. It is strictly forbidden to mix with acids, oxidants, foods and food additives. Transportation is carried out according to the prescribed route.

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