General Information
Version
6.9
Revision date
2025-11-06
Product name
Phenobarbital
CAS No.
50-06-6
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H301, H317, H351, H360
Hazard statements
Code
Statements
H301
Toxic if swallowed
Section 2
SECTION 2: Hazards identification
Ingredient(s) with unknown acute toxicity
33.9% (oral), 73.9% (dermal), 58.5% (inhalation)
Signal word
Danger
Hazard statements
Highly flammable liquid and vapor. Causes serious eye irritation. May cause drowsiness or dizziness. May cause cancer. Suspected of damaging fertility or the unborn child. May cause damage to organs through prolonged or repeated exposure.
Prevention
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wear protective gloves, protective clothing and eye or face protection. Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Use only outdoors or in a well-ventilated area. Do not breathe vapor. Wash thoroughly after handling.
Response
IF exposed or concerned Get medical advice or attention. IF INHALED Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER or doctor if you feel unwell. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.
Storage
Store locked up. Store in a well-ventilated place. Keep container tightly closed.
Disposal
Dispose of contents and container in accordance with all local, regional, national and international regulations.
Supplemental label elements
Repeated exposure to high vapor concentrations may cause irritation of the respiratory system and permanent brain and nervous system damage. Inhalation of vapor/aerosol concentrations above the recommended exposure limits causes headaches, drowsiness and nausea and may lead to unconsciousness or death. This product either contains formaldehyde or is capable of releasing formaldehyde above 0.5 ppm under certain conditions. Formaldehyde is a known cancer hazard, a skin sensitizer and a respiratory sensitizer. Avoid contact with skin and clothing. Wash thoroughly after handling. Emits toxic fumes when heated.
2.3 Other hazards
May form explosive peroxides. Hazardous reactions or instability may occur under certain conditions of storage or use. Prolonged or repeated contact may dry skin and cause irritation.
2.1 Classification of the substance or mixture
EYE IRRITATION - Category 2A CARCINOGENICITY - Category 1B TOXIC TO REPRODUCTION - Category 2 SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) (Narcotic effects) - Category 3 SPECIFIC TARGET ORGAN TOXICITY (REPEATED EXPOSURE) - Category 2 Percentage of the mixture consisting of ingredient(s) of unknown acute toxicity: 33.9% (oral), 73.9% (dermal), 58.5% (inhalation)