Product Identification

Product Name

2-Hydroxypropanoic acid monoammonium salt

Synonyms

Lac-hydrin
Propanoic acid, 2-hydroxy-, monoammonium salt

CAS

515-98-0

Formula

C3H9NO3

Molecular Weight

17.11

EINECS

208-214-8

Merck

12,561

Beilstein/Gmelin

4272669

Beilstein Reference

4-03-00-00633

Physical and Chemical Properties

Appearance

White solid or liquid. Has no odor.

Solubility in water

225 g/100 ml water

Melting Point

91-94

Density

1.2 g/cm3

Heat Of Vaporization

Refractive Index

1.4543 (20 C)

First Aid Measures

Ingestion

Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.

Inhalation

Remove to fresh air.

Skin

Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.

Eyes

Flush with water.

Handling and Storage

Storage

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

Handling

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Ingestion

See inhalation.

Inhalation

Inhalation causes irritation of nose and throat. Contact with eyes causes irritation.

Skin

See inhalation.

Eyes

See inhalation

Hazards

Toxic oxides of nitrogen may be formed in a fire.

Exposure Controls/Personal Protection

Personal Protection

Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.

Respirators

Use NIOSH/MSHA approved respirator appropriate for exposure of concern.

Fire Fighting Measures

Fire Fighting

Fire Extinguishing Agents: Water, foam

Accidental Release Measures

Small spills/leaks

Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.

Stability and Reactivity

Stability

No data.

Incompatibilities

Reacts as bases to neutralize acids.

Combustion Products

Toxic oxides of nitrogen may be formed in a fire.