Oxybis[chloromethane] (EC: 208-832-8)

CAS 542-88-1 C₂H₄Cl₂O MW 115.0000 Danger
NIOSH Potential Occupational Carcinogen
Flame Flame
Skull and Crossbones Skull and Crossbones
Exclamation Mark Exclamation Mark
Health Hazard Health Hazard
Emergency: 911 | Poison Control: 1-800-222-1222

Precautionary Statements

CodeStatement
P203 Obtain, read and follow all safety instructions before use.
P210 Keep away from heat, hot surface, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/.../] equipment.
P242 Use only non-sparking tools.
P243 Take precautionary measures against static discharge.
P260 Do not breathe dust/fume/gas/mist/vapors/spray.
P262 Do not get in eyes, on skin, or on clothing.
P264 Wash hands [and ...] thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P284 [In case of inadequate ventilation] Wear respiratory protection.
P301+P317 IF SWALLOWED: Get medical help.
P302+P352 IF ON SKIN: wash with plenty of water/...
P303+P361+P353 IF ON SKIN (or hair): Take off Immediately all contaminated clothing. Rinse SKIN with water [or shower].
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316 Get emergency medical help immediately.
P318 if exposed or concerned, get medical advice.
P320 Specific treatment is urgent (see ... on this label).
P321 Specific treatment (see information on this label and safety datasheet)).
P330 Rinse mouth.
P361+P364 Take off immediately all contaminated clothing and wash it before reuse.
P370+P378 In case of fire: Use ... to extinguish.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403+P235 Store in a well-ventilated place. Keep cool.
P405 Store locked up.
P501 Dispose of contents/container to ...

Physical Properties

Colorless liquid with a suffocating odor.

Boiling Point223°F
Flash Point<66°F
Vapor Pressure30 mmHg at 72°F
Specific Gravity1.32

NFPA 704 Diamond

3
4
1
Health Fire Reactivity

Synonyms

BCME; bis-CME; chloromethyl ether; dichlorodimethyl ether; dichloromethyl ether; oxybis(chloromethane)

Data Sources

Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.

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