Product Identification

Product Name

Methoxyacetic acid

Synonyms

2-Methoxyacetic acid
Methoxyethanoic acid

CAS

625-45-6

Formula

C3H6O3

Molecular Weight

90.08

EINECS

210-894-6

RTECS

AI8650000

RTECS Class

Mutagen; Reproductive Effector

Beilstein/Gmelin

635800

Beilstein Reference

4-03-00-00574

EC Index Number

607-312-00-1

EC Class

Toxic for reproduction Category 2; Harmful; Corrosive

Physical and Chemical Properties

Appearance

Colorless liquid.

Solubility in water

Very soluble

Melting Point

7

Boiling Point

203

Vapor Pressure

0.13 (25 C)

Density

1.18 g/cm3

pKa/pKb

3.54 (pKa)

Partition Coefficient

-.44

Heat Of Vaporization

48.2 kJ/mol

Refractive Index

1.41466 (20 C)

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. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.

Eyes

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. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.

Skin

May cause skin irritation. The toxicological properties of this material have not been fully investigated.

Eyes

May cause eye irritation. The toxicological properties of this material have not been fully investigated.

Ingestion

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.

Hazards

When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.

EC Risk Phrase

R 60 61 22 34

EC Safety Phrase

S 53 45

UN (DOT)

3265

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.

Exposure Effects

May cause reproductive and fetal effects.

Fire Fighting Measures

Flash Point

94

Autoignition

300

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Upper exp. limit

20.2

Lower exp. limit

3.1

Fire Potential

This chemical is combustible.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation.

Stability and Reactivity

Disposal Code

4

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong bases, oxidizing agents.

Decomposition

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Combustion Products

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

Transport Information

UN Number

3265

Hazard Class

8

Packing Group

I; II; III

HS Code

2918 90 90