Product Identification

Product Name

Iodoacetic acid

Synonyms

IA
MIA
Monoiodoacetate
Monoiodoacetic acid

CAS

64-69-7

Formula

C2H3IO2

Molecular Weight

185.96

EINECS

200-590-1

RTECS

AI3500000

RTECS Class

Tumorigen; Mutagen; Reproductive Effector

Merck

13,5047

Beilstein/Gmelin

1739079

Beilstein Reference

4-02-00-00534

EC Index Number

607-068-00-6

EC Class

Toxic; Corrosive

Physical and Chemical Properties

Appearance

Colorless or white crystals.

Solubility in water

Very soluble

Melting Point

80 - 82

Boiling Point

262

Vapor Pressure

0.0033 (25 C)

Density

2.2694 g/cm3 (85 C)

pKa/pKb

3.12 (pKa)

Partition Coefficient

.76

Heat Of Vaporization

55.0 kJ/mol

Usage

As chemical intermediate & in manufacture of pharmaceuticals & herbicides halogenated acetic acids.

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.

Inhalation

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

Skin

Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Discard contaminated clothing in a manner which limits further exposure.

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 or keep eyes closed.

Handling and Storage

Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 C).

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

May cause irritation of the digestive tract.

Inhalation

May cause respiratory tract irritation.

Skin

Causes skin burns.

Eyes

Causes eye burns.

Hazards

Flash point data for this chemical are not available, but it is probably non-flammable.

EC Risk Phrase

R 25 35

EC Safety Phrase

S 22 36/37/39 45

UN (DOT)

1759

Exposure Controls/Personal Protection

Personal Protection

Eyes: 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. 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.

Poison Class

2

Fire Fighting Measures

Flash Point

112

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. Extinguishing media: Use water spray, dry chemical, or carbon dioxide.

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

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

9

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, strong bases.

Decomposition

Carbon monoxide, carbon dioxide, iodide.

Combustion Products

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

Transport Information

UN Number

1759

Hazard Class

8

Packing Group

I; II; III

HS Code

2915 90 80