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Benzene

MSDS Number: B0792 --- Effective Date: 12/08/96


1. Product Identification

Synonyms: Benzol; Phenyl Hydride; Coal Naphtha
CAS No.: 71-43-2
Molecular Weight: 78.1
Chemical Formula: C6H6


2. Composition/Information on Ingredients


  Ingredient                                CAS No         Percent   Hazardous                                       
  ---------------------------------------   ------------   -------   ---------        
 
  Benzene                                   71-43-2        99 - 100%    Yes                                                                  
 


3. Hazards Identification

Emergency Overview
--------------------------
EXTREMELY FLAMMABLE LIQUID AND VAPOR. VAPOR MAY CAUSE FLASH FIRE. CANCER HAZARD. PROVEN HUMAN CARCINOGENIC SUBSTANCE. HARMFUL OR FATAL IF SWALLOWED. HARMFUL IF INHALED, OR ABSORBED THROUGH SKIN. MAY CAUSE DAMAGE TO BLOOD. KIDNEYS AND LIVER. EXCEPTIONAL HEALTH HAZARD. BEFORE USING, READ MATERIAL SAFETY DATA SHEET (MSDS) FOR THIS MATERIAL. Target organ(s): Blood, central nervous system, eyes, skin, bone marrow, respiratory system, lungs.


J.T. Baker SAF-T-DATA(tm) Ratings (Provided here for your convenience)
-----------------------------------------------------------------------------------------------------------
Health Rating: 4 - Extreme (Cancer Causing)
Flammability Rating: 3 - Severe (Flammable)
Reactivity Rating: 2 - Moderate
Contact Rating: 3 - Severe (Life)
Lab Protective Equip: GOGGLES & SHIELD; LAB COAT & APRON; VENT HOOD; PROPER GLOVES; CLASS B EXTINGUISHER
Storage Color Code:
Red Stripe (Store Separately)
-----------------------------------------------------------------------------------------------------------

Potential Health Effects
----------------------------------



Inhalation:
Severe irritation or burns of respiratory system, headache, nausea, vomiting, dizziness, loss of balance and coordination, confusion, unconsciousness, coma, respiratory failure and death. Repeated excessive exposures may cause blood disorders such as anemia and leukemia. Liver and kidney effects or damage. central nervous system depression.

Ingestion:
Headache, nausea, vomiting, dizziness, gastrointestinal irritation, blurred vision, low blood pressure, Harmful or fatal if swallowed.

Skin Contact:
Irritation, prolonged contact may cause dermatitis, May be absorbed through the skin with possible systemic effects.

Eye Contact:
Irritation, may cause temporary corneal damage.

Chronic Exposure:
Damage to blood forming tissue.

Aggravation of Pre-existing Conditions:
Skin disorders, kidney, liver, or blood disorders, eye disorders, nerve system disorders, respiratory system disease.


4. First Aid Measures

Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Ingestion:
CALL A PHYSICIAN. DO NOT INDUCE VOMITING! Do not give liquids! Small amounts which accidentally enter mouth should be rinsed out until taste of it is gone.

Skin Contact:
Wash with soap and water until no odor remains. If redness or swelling develops, Immediately remove soaked clothing wash clothing before reuse. Destroy contaminated shoes.

Eye Contact:
Flush with water for at least 15 minutes.

Note to Physician:
Pulmonary aspiration hazard if swallowed and/or vomiting occurs - can enter lungs and cause damage.


5. Fire Fighting Measures

Fire:
Flash point: -11C (12F) CC Autoignition temperature: 498C (928F) Flammable limits in air % by volume: lel: 1.3; uel: 8.0

Explosion:
Vapors may flow along surfaces to distant ignition sources and flash back. Closed containers exposed to heat may explode. Contact with strong oxidizers may cause fire. Vapor forms explosive mixture with air. Sensitive to static discharge.

Fire Extinguishing Media:
Use alcohol foam, dry chemical or carbon dioxide. (Water may be ineffective.)

Special Information:
Firefighters should wear proper protective equipment and self-contained breathing apparatus with full facepiece operated in positive pressure mode. Move containers from fire area if it can be done without risk. Use water to keep fire-exposed containers cool.


6. Accidental Release Measures



7. Handling and Storage

Bond and ground containers when transferring liquid. Never siphon by mouth. Containers of this material may be hazardous when empty since they retain product residues (vapors, liquid); observe all warnings and precautions listed for the product.


8. Exposure Controls/Personal Protection

Airborne Exposure Limits:
-OSHA Permissible Exposure Limit (PEL): 1 ppm (TWA) PEL (Ceiling) = 25 ppm. -ACGIH Threshold Limit Value (TLV): 10 ppm (TWA)

Ventilation System:
A system of local and/or general exhaust is recommended to keep employee exposures below the Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details.

Personal Respirators (NIOSH Approved):
For conditions of use where exposure to the substance is apparent, consult an industrial hygienist. For emergencies, or instances where the exposure levels are not known, use a full-facepiece positive-pressure, air-supplied respirator. WARNING: Air purifying respirators do not protect workers in oxygen-deficient atmospheres.

Skin Protection:
Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact.

Eye Protection:
Use chemical safety goggles and/or a full face shield where splashing is possible. Maintain eye wash fountain and quick-drench facilities in work area.


9. Physical and Chemical Properties

Appearance:
Clear, colorless liquid.

Odor:
Aromatic odor.

Solubility:
0.06%

Specific Gravity:
0.97

pH:
No information found.

% Volatiles by volume @ 21C (70F):
100

Boiling Point:
80C (176F)

Melting Point:
5.5C (43F)

Vapor Density (Air=1):
2.77

Vapor Pressure (mm Hg):
74.6 @ 20C (68F)

Evaporation Rate (BuAc=1):
2.8


10. Stability and Reactivity

Stability:
Stable under ordinary conditions of use and storage.

Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, aldehydes, ketones.

Hazardous Polymerization:
Will not occur.

Incompatibilities:
Strong oxidizing agents, sulfuric acid, nitric acid.

Conditions to Avoid:
Heat, flame, other sources of ignition,


11. Toxicological Information

  --------\Cancer Lists\------------------------------------------------------
                                         ---NTP Carcinogen---
  Ingredient                             Known    Anticipated    IARC Category
  ------------------------------------   -----    -----------    -------------
  Benzene (71-43-2)                       Yes         No              1


12. Ecological Information

Environmental Fate:
No information found.

Environmental Toxicity:
No information found.


13. Disposal Considerations

Whatever cannot be saved for recovery or recycling should be handled as hazardous waste and sent to a RCRA approved waste facility. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state and local requirements.


14. Transport Information

Not regulated.


15. Regulatory Information


  --------\Chemical Inventory Status - Part 1\---------------------------------
  Ingredient                                       TSCA  EC   Japan  Australia
  -----------------------------------------------  ----  ---  -----  ---------
  Benzene (71-43-2)                                 Yes  NE*   Yes      Yes                                      
 
  --------\Chemical Inventory Status - Part 2\---------------------------------
                                                          --Canada--
  Ingredient                                       Korea  DSL   NDSL  Phil.
  -----------------------------------------------  -----  ---   ----  -----
  Benzene (71-43-2)                                 Yes   Yes   No     Yes                             
 
                                                         *NE - Not Evaluated
 
  --------\Federal, State & International Regulations - Part 1\----------------
                                             -SARA 302-    ------SARA 313------
  Ingredient                                 RQ    TPQ     List  Chemical Catg.
  -----------------------------------------  ---   -----   ----  --------------
  Benzene (71-43-2)                          No    No      Yes        No
 
  --------\Federal, State & International Regulations - Part 2\----------------
                                                        -RCRA-    -TSCA-
  Ingredient                                 CERCLA     261.33     8(d)
  -----------------------------------------  ------     ------     ---
  Benzene (71-43-2)                          10         U019       No                   
 
 
Chemical Weapons Convention:  No     TSCA 12(b):  No     CDTA:  No
SARA 311/312:  Acute: Yes      Chronic: Yes  Fire: Yes Pressure: No
Reactivity: No          (Pure / Liquid)
Prop 65:
THIS PRODUCT CONTAINS A CHEMICAL(S) KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER.

Australian Hazchem Code: 3WE
Poison Schedule: S7

WHMIS:
This MSDS has been prepared according to the hazard criteria of the Controlled Products Regulations (CPR) and the MSDS contains all of the information required by the CPR.


16. Other Information

Health: 2 Flammability: 3 Reactivity: 0

Label Hazard Warning:
POISON! DANGER! EXTREMELY FLAMMABLE LIQUID AND VAPOR. VAPOR MAY CAUSE FLASH FIRE. CANCER HAZARD. PROVEN HUMAN CARCINOGENIC SUBSTANCE. HARMFUL OR FATAL IF SWALLOWED. HARMFUL IF INHALED, OR ABSORBED THROUGH SKIN. MAY CAUSE DAMAGE TO BLOOD. KIDNEYS AND LIVER. EXCEPTIONAL HEALTH HAZARD. BEFORE USING, READ MATERIAL SAFETY DATA SHEET (MSDS) FOR THIS MATERIAL. Target organ(s): Blood, central nervous system, eyes, skin, bone marrow, respiratory system, lungs.

Label Precautions:
Keep away from heat, sparks, flame. Do not get in eyes, on skin, on clothing. Do not breathe vapor. Keep in tightly closed container. Use with adequate ventilation. Wash thoroughly after handling. Keep containers out of sun and away from heat. In case of fire, use alcohol foam, dry chemical, carbon dioxide - water may be ineffective. In case of spill, soak up with sand or earth.

Label First Aid:
See Section 4 (First Aid Measures) of this MSDS.

Product Use:
Laboratory Reagent

Revision Information:
New 16 section MSDS format, all sections have been revised.

************************************************************************************************ Mallinckrodt Baker, Inc. provides the information contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. MALLINCKRODT BAKER, INC. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, MALLINCKRODT BAKER, INC. WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION.
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