Product Identification

Product Name

Acetic acid sodium salt trihydrate

Synonyms

Plasmafusin
Thomaegelin

CAS

6131-90-4

Formula

C2H9NaO5

Molecular Weight

136.08000000000001

EINECS

204-823-8

RTECS

AJ4580000

RTECS Class

Mutagen

Merck

12,8711

Beilstein/Gmelin

3732037

Beilstein Reference

4-02-00-00094

Physical and Chemical Properties

Appearance

Odorless white crystals

Solubility in water

613 g/L (20 C)

Melting Point

58

Boiling Point

120 - 123

Density

1.4 g/cm3

pKa/pKb

4.76 (acetic acid)(at 25℃) (pKa)

Heat Of Vaporization

Usage

Used in the textile industry to neutralize sulfuric acid waste streams, and as a photoresist while using aniline dyes. Flavoring agent to give tart flavor.

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage

Store in a cool, dry place. Keep from contact with oxidizing materials.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing.

Hazards Identification

Ingestion

Ingestion of large amounts may cause gastrointestinal irritation.

Inhalation

No hazard expected in normal industrial use.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

EC Safety Phrase

S 24/25

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear safety glasses with side shields. Skin: Wear appropriate 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

5

Fire Fighting Measures

Flash Point

>250

Autoignition

607

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Combustion generates toxic fumes. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Stability

Stable under normal shipping and handling conditions.

Incompatibilities

Strong oxidizers

Decomposition

Carbon monoxide, carbon dioxide.

Transport Information

HS Code

2915 22 00