Product Identification

Product Name

Sorbic acid

Synonyms

(2-Butenylidene)acetic acid
Crotylidene acetic acid
Hexadienic acid
Hexadienoic acid

CAS

110-44-1

Formula

C6H8O2

Molecular Weight

112.13

EINECS

203-768-7

RTECS

WG2100000

RTECS Class

Agricultural Chemical and Pesticide; Tumorigen; Mutagen; Primary Irritant

Merck

12,8869

Beilstein/Gmelin

1741831

Beilstein Reference

2-02-00-00452

EC Class

irritant

Physical and Chemical Properties

Appearance

White crystalline solid, with a weak characteristic odor.

Solubility in water

Very soluble

Boiling Point

228

Vapor Pressure

0.02 (25 C)

Density

1.204 g/cm3 (20 C)

pKa/pKb

4.76 (pKa)

Partition Coefficient

1.35

Heat Of Vaporization

51.7 kJ/mol

Heat Of Combustion

-3112 kJ/mol

Usage

Mold and yeast inhibitor, fungistatic agent for foods, especially cheeses. To improve characteristics of drying oils. In alkylated type coatings to improve gloss. To improve milling characteristics of cold rubber.

Saturation Concentration

Very low at normal temperatures.

Vapor Density

3.87

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.

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.

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 container closed when not in use. Store in a tightly closed container. Store below 40C. Store protected from light.

Handling

Wash thoroughly after handling. Use only in a well ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns.

Inhalation

Irritation may lead to chemical pneumonitis and pulmonary edema. May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema.

Skin

May cause severe skin irritation.

Eyes

May cause eye irritation.

EC Risk Phrase

R 36/37/38

EC Safety Phrase

S 26 36

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

-

Fire Fighting Measures

Flash Point

127

Autoignition

> 130

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. To extinguish fire, use water fog, dry chemical, carbon dioxide, or regular foam.

Fire Potential

This chemical is combustible.

Accidental Release Measures

Small spills/leaks

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions.

Stability and Reactivity

Incompatibilities

Oxidizing agents.

Stability

Stable under normal temperatures and pressures.

Decomposition

Carbon monoxide, carbon dioxide.

Transport Information

HS Code

2916 19 30