Isopropyl Alcohol 99% – Safety Data Sheet (SDS)

Product Name: Isopropyl Alcohol 99% (2-propanol)
CAS Number: 67-63-0
Product Code: 23400
Type: Solvent
Supplier: Interstate Chemical Company, Inc., 2797 Freedland Road, Hermitage, PA 16148, USA | 800-422-2436 | herm-eh&s@interstatechemical.com | www.interstatechemical.com
Emergency Phone: CHEMTREC +1-800-424-9300 (24-hour)
GHS Classification: Flammable Liquid – Category 2; STOT (Single Exposure) – Category 3
Signal Word: Danger
NFPA Ratings: Health (1), Flammability (3), Reactivity (0)

Hazard Statements:
- H225: Highly flammable liquid and vapor.
- H336: May cause drowsiness or dizziness.
Precautionary Statements (selected):
- Keep away from heat, hot surfaces, sparks, open flames; no smoking.
- Keep container tightly closed; ground/bond container and receiving equipment.
- Use explosion-proof electrical/ventilation; only non-sparking tools; take measures against static discharge.
- Avoid breathing mist/vapors; use only outdoors or in well-ventilated areas.
- Wear protective gloves/clothing/eye/face protection.
- Store locked up in a well-ventilated place; keep cool.
- Dispose of contents/container according to regulations.
California Prop 65: No listed substances.

Inhalation: Move to fresh air and rest; seek medical attention if unwell.
Skin Contact: Remove affected clothing; wash skin with mild soap and water, then rinse.
Eye Contact: Rinse immediately with plenty of water; obtain medical attention if pain/blinking/redness persists.
Ingestion: Rinse mouth; do not induce vomiting; seek emergency medical attention.
Note to Physicians: Treat symptomatically.

Suitable Extinguishing Media: Foam, dry powder, carbon dioxide, water spray, sand.
Unsuitable Media: Do not use a heavy water stream.
Special Hazards: Vapors may form explosive mixtures and travel to ignition sources.
Firefighting Instructions: Cool exposed containers with water spray/fog; prevent runoff from entering drains.
Protective Gear: SCBA and full protective equipment.

Provide good ventilation to prevent vapor formation; wash hands after handling.
Store only in original container, tightly closed, in a cool, well-ventilated place; keep away from ignition sources and sunlight.
Incompatible with strong acids/bases.

Exposure Limits (Isopropyl Alcohol, CAS 67-63-0):
- ACGIH: TWA 200 ppm; STEL 400 ppm (Eye & URT irritant; CNS impair)
OSHA PEL: TWA 400 ppm (980 mg/m³)
Eyes/Face: Chemical goggles or safety glasses.
Hands: Protective gloves.
Respiratory: Wear appropriate mask/NIOSH-approved respirator if ventilation is inadequate.
General Hygiene: Do not eat, drink, or smoke during use.

Acute Toxicity (dermal, rabbit) LD₅₀: 12,870 mg/kg
Inhalation ATE (vapors/dust/mist): 73 mg/L/4h
IARC: 2-propanol – Group 3 (not classifiable).
STOT – Single Exposure: May cause drowsiness or dizziness.
Aquatic Toxicity (selected):
- Fish (96 h): LC₅₀ ≈ 9640 mg/L (Pimephales promelas)
- Daphnia (48 h): EC₅₀ ≈ 13299 mg/L
Persistence/Degradability: Readily biodegradable in water/soil (for 2-propanol).
Bioaccumulation: Low potential (log Kow < 4).

DOT: UN1219, Isopropanol, Class 3, PG II; ERG 129
IMDG: UN1219, ISOPROPANOL (ISOPROPYL ALCOHOL), Class 3, PG II (12 °C c.c.)
IATA: UN1219, Isopropanol, Class 3, PG II
Disposal: Dispose per local/regional/national/international regulations; avoid release to environment.

TSCA: Listed
SARA 313: Subject to reporting (2-propanol)
US State RTK: NJ/PA RTK lists (2-propanol)
California Prop 65: None
NFPA: Health (1), Flammability (3), Reactivity (0); Personal Protection (HMIS): D

Last Updated: July 14, 2020 Isopropyl Alcohol 99% (2-propanol) is a highly flammable solvent supplied by Interstate Chemical Company, Inc. It is classified as a Flammable Liquid (Category 2) and may cause drowsiness or dizziness (STOT SE Category 3).