Product Identification

Product Name

Chloromethyl chlorosulfate

Synonyms

Chloro chloromethyl sulfate
Chlorosulfuric acid, chloromethyl ester

CAS

49715-04-0

Formula

CH2Cl2O3S

Molecular Weight

164.99

EINECS

256-442-1

Beilstein/Gmelin

1703401

Beilstein Reference

3-01-00-02593

Physical and Chemical Properties

Appearance

Colorless to light yellow liquid.

Boiling Point

153 - 155

Density

1.63 g/cm3

First Aid Measures

Ingestion

Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

Inhalation

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Skin

Get medical aid immediately. Immediately flush skin with plenty of soap and 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.

Handling and Storage

Storage

Store in a tightly closed container. Keep under an argon blanket. Refrigerator (approx 4 C).

Handling

Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Container should be opened by a technically qualified person. Use only in a chemical fume hood.

Hazards Identification

Ingestion

Causes gastrointestinal tract burns. The toxicological properties of this substance have not been fully investigated.

Inhalation

May be fatal if inhaled. Causes chemical burns to the respiratory tract.

Skin

Causes skin burns.

Eyes

Causes eye burns.

Hazards

Contact with metals may evolve flammable hydrogen gas.

UN (DOT)

2927

Exposure Controls/Personal Protection

Personal Protection

Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Fire Potential

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Stability

No data.

Incompatibilities

Strong oxidizing agents, alkali metals.

Decomposition

Hydrogen chloride, carbon monoxide, oxides of sulfur, carbon dioxide.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

2927

Hazard Class

6.1

Packing Group

I; II