01/02/2023 COMBI-BLOCKS QE-1974 p.
Safety Data Sheet
1. Identification of the substance
1.1. Product identifiers: Product Name: Chlorobenzene
Synonyms:
Catalog number: QE-1974
CAS Number: 108-90-7
1.2. Identified use: Laboratory chemicals, for scientific research and development only.
1.3. Supplier: Combi-Blocks, Inc., 7949 Silverton Ave # 915, San Diego, CA 92126, USA. Tel: 858-
635-8950. Email: sales@combi-blocks.com.
1.4. Emergency Contact: During normal business hours (Monday-Friday 8am-5pm PST), call 1-858-635-8950. Af-
ter business hours, call Infotrac at 1-800-535-5053 (USA) or 1-352-323-3500 (interna-
tional).
2. Hazards identification
2.1. Classification of the substance or mixture:
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
Flammable liquids (Category 3), H226
Skin corrosion/irritation (Category 2), H315
Acute toxicity,inhalation (Category 4), H332
Hazardous to the aquatic environment, long-term hazard (Category 2), H411
2.2. GHS Label elements, including precautionary statements:
Pictograms
Signal word Warning
Hazard statement(s).
H226 Flammable liquid and vapour
H315 Causes skin irritation
H332 Harmful if inhaled
H411 Toxic to aquatic life with long lasting effects
Precautionary statement(s).
P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/light equipment.
P242 Use only non-sparking tools.
P243 Take precautionary measures against static discharge.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin
with water/shower.
P304+P340+P312 If inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breath-
ing. Call a POISON CENTER or doctor/physician if you feel unwell.
P332+P313 If skin irritation occurs: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
P370+P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction.
P391 Collect spillage.
P403+P235 Store in a well ventilated place. Keep cool.
P501 Dispose of contents/container to an approved waste disposal plant.
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3. Composition/information on ingredients.
3.1. Substances
C OMPONENT C LASSIFICATION C ONCENTRATION
Chlorobenzene H226, H315, H332, H411 ≤ 100
See Section 2 for full text of hazard statements.
4. First aid measures
4.1. Description of first aid measures.
General advice: Consult a physician. Show this safety data sheet to the doctor in attendance. Move out of
dangerous area.
If inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a
POISON CENTER or doctor/physician if you feel unwell.
In case of skin contact: Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
In case of eye contact: Immediately flush with plenty of water. After initial flushing, remove any contact lenses
and continue flushing for at least 15 minutes. Keep eye wide open while rinsing. Get
medical attention.
If swallowed: Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical
attention.
4.2. Most important symptoms and effects, both acute and delayed:
See Section 2.2 and/or in Section 11.
4.3. Indication of any immediate medical attention and special treatment needed:
No data.
5. Fire fighting measures
5.1. Extinguishing media: Use dry sand, dry chemical or alcohol-resistant foam for extinction.
5.2. Special hazards arising from the substance or mixture: Carbon monoxide, hydrogen chloride.
5.3. Advice for firefighters: Wear self-contained breathing apparatus for firefighting if necessary.
5.4. Further information: No data available.
6. Accidental release measures
6.1. Personal precautions, protective equipment and emergency procedures:
Ensure adequate ventilation. Use personal protective equipment.
6.2. Environmental precautions:
Should not be released into the environment. See Section 12 for additional ecological information.
6.3. Methods and materials for containment and cleaning up:
Sweep up or vacuum up spillage and collect in suitable container for disposal.
6.4. Reference to other sections:
Refer to protective measures listed in Sections 8 and 13.
7. Handling and storage
7.1. Precautions for safe handling: Avoid contact with skin and eyes. Avoid inhalation of vapour or mist. Keep away
from sources of ignition - No smoking. Take measures to prevent the build up of electro-
static charge. For precautions see section 2.2.
7.2. Conditions for safe storage, including any incompatibilities: Keep container tightly closed in a dry and well-ventilated
place. Containers which are opened must be carefully resealed and kept upright to prevent
leakage.
7.3. Specific end use(s): Laboratory chemicals, for scientific research and development only.
8. Exposure Controls / Personal protection
8.1. Control parameters:
Components with workplace control parameters: Contains no substances with occupational exposure limit values.
8.2. Exposure controls:
Appropriate engineering controls: Ensure that eyewash stations and safety showers are close to the workstation
location. Ensure adequate ventilation, especially in confined areas. Use only under a
chemical fume hood. Ground/bond container and receiving equipment. Use explosion-
proof electrical/ventilating/light equipment. Use only non-sparking tools.
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Personal protective equipment:
Eye/face protection: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA’s
eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin protection: Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal
technique (without touching glove’s outer surface) to avoid skin contact with this product.
Dispose of contaminated gloves after use in accordance with applicable laws and good
laboratory practices. Wash and dry hands
Body Protection: Complete suit protecting against chemicals, Flame retardant antistatic protective clothing.,
The type of protective equipment must be selected according to the concentration and
amount of the dangerous substance at the specific workplace.
Respiratory protection: No protective equipment is needed under normal use conditions.
Control of environmental exposure: Prevent further leakage or spillage if safe to do so. Do not let product enter
drains.
9. Physical and chemical properties
9.1. Information on basic physical and chemical properties
(a) Appearance: Liquid
(b) Odour: No data
(c) Odour Threshold: No data
(d) pH: No data
(e) Melting point/freezing point: No date.
(f) Initial boiling point and boiling range: No data
(g) Flash point: No data
(h) Evaporatoin rate: No data
(i) Flammability (solid, gas): No data
(j) Upper/lower flammability or explosive limits: No data
(k) Vapour pressure: No data
(l) Vapour density: No data
(m) Relative density: No data
(n) Water solubility: No data
(o) Partition coefficient: n-octanol/water: No data
(p) Auto-ignition: No data
(q) Decomposition temperature: No data
(r) Viscosity: No data
(s) Explosive properties: No data
(t) Oxidizing properties: No data
9.2. Other safety information:
Formula C6 H5 Cl
Molecular weight 112.6
CAS Number 108-90-7
10. Stability and reactivity
10.1. Reactivity No data
10.2. Chemical stability Stable under recommended storage conditions.
10.3. Possibility of hazardous reactions No data
10.4. Conditions to avoid Air, flame, heat, spark, static-discharge
10.5. Incompatible material Explosives, flammable/toxic gases, spontaneously combustible substances, oxidizing sub-
stances, organic peroxides, infectious substances, radioactive materials.
10.6. Hazardous decomposition products:
Hazardous decomposition products formed under fire conditions: Carbon monoxide, hydrogen chloride.
Other decomposition products: No data
In the event of fire: See Section 5.
11. Toxicological information
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11.1 Information on toxicological effects
Acute toxicity: Harmful if inhaled. .
Skin irritation/corrosion: Harmful if inhaled.
Eye damage/irritation: No data available.
Respiratory or skin sensitization: No data available.
Germ cell mutagenicity: No data available.
Carcinogenicity: No data available.
Reproductive toxicity: No data available.
Specific target organ system toxicity - single exposure: No data available.
Specific target organ system toxicity - repeated exposure: No data available.
Aspiration hazard: No data available.
Additional information: To the best of our knowledge, the chemical, physical and toxicological proper-
ties of this substance have not been thoroughly investigated.
12. Ecological information
12.1. Toxicity No data available.
12.2. Persistence and degradability Toxic to aquatic life with long lasting effects.
12.3. Bioaccumulative potential No data available
12.4. Mobility in soil No data available
12.5. Results of PBT and vPvB assessment No data available.
12.6. Other adverse effects No data available.
13. Disposal Considerations
13.1. Waste treatment methods
Product Arrange disposal as special waste, by licensed disposal company, in consultation with
local waste disposal authority, in accordance with national and regional regulations.
Contaminated packaging Dispose of as unused product.
14. Transportation information
DOT (US), IMDG and IATA:
UN Number: UN1134 Class: 3 Packing group: III
Proper shipping name: CHLOROBENZENE
15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known
CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313.
16. Other information
This MSDS is correct to the best of our knowledge at the date of publication but does not purport to be all inclusive
and shall be used only as a guide. Combi-Blocks shall not be held liable for any injury or damage resulting from
handling or from contact with the above product.
