Product Identification

Product Name

2-Methylpentan-2,4-diol

Synonyms

2,4-Dihydroxy-2-methylpentane
2-Methyl-2,4-pentanediol
2-Methylpentane-2,4-diol

CAS

107-41-5

Formula

C6H14O2

Molecular Weight

118.18

EINECS

203-489-0

RTECS

SA0810000

RTECS Class

Human Data; Primary Irritant

Merck

13,4730

Beilstein/Gmelin

1098298

Beilstein Reference

4-01-00-02565

EC Index Number

603-053-00-3

EC Class

Irritant

Physical and Chemical Properties

Appearance

Clear, colorless liquid with a mild sweetish odor, hygroscopic.

Solubility in water

Miscible

Melting Point

-40

Boiling Point

198

Vapor Pressure

0.05 (20 C)

Density

0.923 g/cm3 (20 C)

Heat Of Vaporization

56.94 kJ/mol

Usage

Microbiocide.

Vapor Density

4.1

Refractive Index

1.42729 (16.7 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

Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.

Eyes

Immediately 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

Keep away from heat and flame. Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema.

Skin

Causes skin irritation.

Eyes

Causes eye irritation. Vapors may cause eye irritation.

Ingestion

May cause gastrointestinal irritation with nausea, vomiting and diarrhea.

EC Risk Phrase

R 36/38

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 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

Abnormally low blood pressure or elevated blood pressure may occur as a result of glycol toxicity. Rapid breathing has been reported with ethylene glycol and glycol ether ingestions. CNS depression, seizures, coma, cerebral edema, and delayed neurologic sequelae may occur following most glycol exposures. CNS symptoms are common following exposures to most glycols. Exposures to glycols have resulted in teratogenicity, specifically craniofacial and neural tube closure defects and skeletal dysplasia in animal studies.

Exposure limit(s)

TLV: 25 ppm; 121 mg/m3 ceiling (ACGIH 1995-1996). NIOSH REL: C 25 ppm (125 mg/m3)

Poison Class

4

Fire Fighting Measures

Flash Point

93

Autoignition

425

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 foam, dry chemical, or carbon dioxide. For large fires, use water spray or fog.

Upper exp. limit

7.4

Lower exp. limit

1.3

Fire Potential

Slightly flammable. Combustion requires preheating. Moderate hazard.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Wash area with soap and water. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation.

Stability and Reactivity

Disposal Code

1

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong acids, strong oxidizing agents, acid chlorides, strong reducing agents and acid anhydrides.

Decomposition

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

Transport Information

HS Code

2905 39 10