Product Identification
【Product Name】7-甲基吲哚
【Synonyms】7-Methylindole
【CAS】933-67-5
【Formula】C9H9N
【Molecular Weight】131.16999999999999
【EINECS】213-270-1
【Beilstein/Gmelin】111088
【Beilstein Reference】5-20-07-00081

Physical and Chemical Properties
【Appearance】White to almost white flakes. With a stench.
【Solubility in water】Insoluble
【Melting Point】83℃
【Boiling Point】266℃
【Vapor Pressure】0.015 (25℃)
【Density】1.0202 g/cm3 (99.6℃)
【pKa/pKb】13.18 (pKb)
【Partition Coefficient】2.56
【Heat Of Vaporization】48.4 kJ/mol
【Usage】Used in the production of agricultural chemicals and pharmaceuticals.
【Refractive Index】1.576 (99.6℃)

First Aid Measures
【Ingestion】Get medical aid. Wash mouth out with water.
【Inhalation】Remove from exposure to fresh air immediately.
【Skin】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.

Handling and Storage
【Storage】Store in a cool, dry place. Store in a tightly closed container.
【Handling】Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.

Hazards Identification
【Ingestion】The toxicological properties of this substance have not been fully investigated. May cause headache. May cause nausea and vomiting.
【Inhalation】May cause respiratory tract irritation. May cause effects similar to those described for ingestion.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【EC Safety Phrase】S 22 24/25

Exposure Controls/Personal Protection
【Personal Protection】Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
【Respirators】A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.

Fire Fighting Measures
【Flash Point】111℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire 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】No data.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Nitrogen oxides, carbon monoxide, carbon dioxide.