Product Identification

Product Name

7-Methoxy-1H-indole

Synonyms

7-Methoxyindole
NSC 100739

CAS

3189-22-8

Formula

C9H9NO

Molecular Weight

147.18

EINECS

221-690-1

Physical and Chemical Properties

Solubility in water

0.71 g/L (25 C)

Boiling Point

298

Vapor Pressure

0.002 (25 C)

Density

1.126 g/cm3 (25 C)

pKa/pKb

16.49 (pKa)

Partition Coefficient

2.06

Heat Of Vaporization

51.61 kJ/mol

Refractive Index

1.612 (20 C)

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Skin

In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.

Eyes

In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage

Storage

Keep tightly closed. Store in a cool dry place.

Hazards Identification

Inhalation

Material is irritating to mucous membranes and upper respiratory tract.

Hazards

Emits toxic fumes under fire conditions.

EC Risk Phrase

36/37/38

EC Safety Phrase

26 36

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.

Respirators

Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a dust mask type N95 (US) or type P1 (EN 143) respirator.

Exposure Effects

Causes eye and skin irritation. May be harmful by inhalation, ingestion, or skin absorption.

Fire Fighting Measures

Flash Point

109

Fire Fighting

Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability

Stable normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, carbon dioxide, and nitrogen oxides.