Benzene
Extreme RiskCAS Number
71-43-2
Formula
C₆H₆
Version
7.0
Revision Date
2024-12-15
Flammable Liquid Cat. 2Carcinogenicity Cat. 1AMutagenicity Cat. 1BSTOT RE Cat. 1Aspiration Hazard Cat. 1Skin Irritation Cat. 2Eye Irritation Cat. 2
SECTIONS
1
Identification
Product Name
Benzene
Product Code
BENZENE
Recommended Use
Laboratory chemicals, Industrial applications
Restricted Use
Follow manufacturer guidelines
Manufacturer Details
Multiple Suppliers
Contact manufacturer for details
Phone: Contact manufacturer
Emergency: CHEMTREC: +1-800-424-9300
2
Hazard Identification
Danger
Classification:
• Flammable Liquid Cat. 2
• Carcinogenicity Cat. 1A
• Mutagenicity Cat. 1B
• STOT RE Cat. 1
• Aspiration Hazard Cat. 1
• Skin Irritation Cat. 2
• Eye Irritation Cat. 2
Hazard Statements:
H225 - Highly flammable liquid and vapour
H304 - May be fatal if swallowed and enters airways
H315 - Causes skin irritation
H319 - Causes serious eye irritation
H340 - May cause genetic defects
H350 - May cause cancer
H372 - Causes damage to organs through prolonged or repeated exposure
Precautionary Statements:
P201 - Obtain special instructions before use
P210 - Keep away from heat/sparks/open flames
P280 - Wear protective gloves/eye protection
P308+P313 - IF exposed or concerned: Get medical advice
3
Composition/Information on Ingredients
Substance/Mixture
Substance
| Component | CAS Number | EC Number | Concentration | Classification |
|---|---|---|---|---|
| Benzene | 71-43-2 | 200-753-7 | 100% | Flammable Liquid Cat. 2, Carcinogenicity Cat. 1A, Mutagenicity Cat. 1B, STOT RE Cat. 1, Aspiration Hazard Cat. 1, Skin Irritation Cat. 2, Eye Irritation Cat. 2 |
4
First Aid Measures
Inhalation:
Remove to fresh air IMMEDIATELY. If not breathing, give artificial respiration. Seek immediate medical attention.
Skin Contact:
Remove contaminated clothing. Wash with soap and water for at least 20 minutes. Seek medical attention.
Eye Contact:
Rinse with water for at least 15 minutes. Seek medical attention.
Ingestion:
Do NOT induce vomiting - aspiration hazard. Seek immediate medical attention.
Most Important Symptoms:
Seek medical attention if symptoms persist.
5
Fire Fighting Measures
suitable Extinguishing:
Foam, CO2, dry chemical
unsuitable Extinguishing:
Water jet
specific Hazards:
Highly flammable. Vapors heavier than air. Known human carcinogen.
protective Equipment:
6
Accidental Release Measures
personal Precautions:
Use personal protective equipment. Ensure adequate ventilation.
environmental Precautions:
Prevent further leakage. Do not allow to enter drains or water courses.
cleanup Methods:
Contain spillage with non-combustible absorbent material and place in container for disposal.
reference:
See Section 13 for disposal considerations.
7
Handling and Storage
handling:
KNOWN HUMAN CARCINOGEN - minimize all exposures. Use only in well-ventilated areas or with proper respiratory protection. Ground all equipment.
storage:
incompatibilities:
8
Exposure Controls/Personal Protection
exposure Limits:
• {"type":"OSHA PEL","value":"1 ppm TWA, 5 ppm STEL"}
• {"type":"ACGIH TLV","value":"0.5 ppm TWA, 2.5 ppm STEL"}
• {"type":"NIOSH REL","value":"0.1 ppm TWA, 1 ppm STEL"}
engineering:
Use explosion-proof equipment. Provide appropriate exhaust ventilation.
ppe:
respiratory:Use appropriate respirator when exposure limits are exceeded.
hand:Chemical-resistant gloves
eye:Safety glasses with side shields or chemical safety goggles
skin:Wear appropriate protective clothing
9
Physical and Chemical Properties
appearance:Clear, colorless liquid
odor:Sweet aromatic odor
p H:Not applicable
melting Point:5.5°C (42°F)
boiling Point:80.1°C (176°F)
flash Point:-11°C (12°F)
vapor Pressure:100 mmHg at 26°C
vapor Density:2.77 (Air = 1)
density:0.879 g/cm³ at 20°C
solubility:1.8 g/L at 25°C
molecular Weight:78.11 g/mol
10
Stability and Reactivity
reactivity:
See incompatible materials.
stability:
Stable under recommended storage conditions.
conditions To Avoid:
Heat, sparks, open flames.
incompatible Materials:
hazardous Decomposition:
Thermal decomposition may produce hazardous gases.
hazardous Polymerization:
Will not occur.
11
Toxicological Information
acute Toxicity:
oral:930 mg/kg (rat)
dermal:>8260 mg/kg (rabbit)
inhalation:13200 ppm/4h (rat)
skin Corrosion:
See hazard classification.
eye Damage:
See hazard classification.
sensitization:
No data available
mutagenicity:
No data available
carcinogenicity:
IARC Group 1 (Carcinogenic to humans - causes leukemia)
reproductive Toxicity:
No data available
specific Target Organ:
See hazard statements.
aspiration Hazard:
No data available
12
Ecological Information
ecotoxicity:
May be harmful to aquatic organisms.
persistence:
No data available
bioaccumulation:
No data available
mobility:
No data available
other Effects:
Avoid release to the environment.
13
Disposal Considerations
waste:
Dispose of in accordance with local regulations.
contaminated:
Do not re-use empty containers.
waste Code:
Check with local authorities.
disposal:
Dispose of as hazardous waste at approved facility.
14
Transport Information
un Number:
UN 1114
shipping Name:
Benzene
hazard Class:
3 - Flammable Liquid
packing Group:
II
marine:
Check with carrier
special:
None
iata:
UN 1114, Benzene, 3 - Flammable Liquid, II
imdg:
UN 1114, Benzene, 3 - Flammable Liquid, II
15
Regulatory Information
sara313:
Check with regulatory requirements.
tsca:
Listed on TSCA inventory.
dscl:
Check local regulations.
reach:
Check EU REACH requirements.
california65:
Check California Prop 65 listing.
16
Other Information
nfpa:
health:2
fire:2
reactivity:0
special:
hmis:
health:2
flammability:2
physical:0
ppe:B
prepared:
Multiple Suppliers
phone:
Contact manufacturer
disclaimer:
The information provided in this Safety Data Sheet is correct to the best of our knowledge at the date of publication.