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MSDS Material Safety Data Sheet
CAS

16672-87-0

File Name: carolina_com---ethephon.asp
                      MATERIAL SAFETY DATA SHEET
Revised: 15/05/08
ETHEPHON Replaces: 10/07/07
CAROLINA BIOLOGICAL Printed: 20/05/08


1. PRODUCT DESCRIPTION
Product Name: Ethephon
Product Code(s): 20-7552, 20-7553, 20-7805, 20-7810, 20-7815
Size: 1 oz, 4 oz
Chemical Name: 2-Chloroethyl Phosphonic Acid
CAS Number: 16672-87-0
Formula: C2H6ClO3P
Synonyms: 2-Chloroethanephosphonic acid
Distributor: Carolina Biological Supply Company
2700 York Road
Burlington, NC 27215
Chemical Information: 800-227-1150 (8am-5pm (ET) M-F)
Chemtrec (Transportation Spill Response 24 hours): 800-424-9300
2. COMPOSITION/INFORMATION ON INGREDIENTS
Principle Hazardous Components: 2-Chloroethyl Phosphonic acid (CAS#
16672-87-
0) 21.6%
TLV and PEL units: None established
3. HAZARD IDENTIFICATION
Emergency Overview:
Potential Health Effects:
Eyes: May cause irritation.
Skin: May cause irritation.
Ingestion: May cause gastrointestinal discomfort.
Inhalation: May cause irritation to respiratory tract.
4. FIRST AID MEASURES
Emergency and First Aid Procedures:
Eyes - Flush with water for at least 15 minutes, raising and lowering
eyelids occasionally. Get medical attention if irritation persists.
Skin - Thoroughly wash exposed area for at least 15 minutes. Remove
contaminated clothing. Launder contaminated clothing before reuse. Get
medical attention if irritation persists.
Ingestion - Do not induce vomiting. If swallowed, if conscious, give
plenty of water immediately and call a physician or poison control
center. Never give anything by mouth to an unconscious person.
Inhalation - Remove to fresh air. Give oxygen if breathing is
difficult; give artificial respiration if breathing has stopped. Keep
person warm, quiet, and get medical attention.
5. FIREFIGHTING PROCEDURES
Flash Point(Method Used): None
NFPA Rating: None established
Extinguisher Media:
Use media suitable to extinguish surrounding fire.
Flammable Limits in Air % by Volume: None
Autoignition Temperature: No information available
Special Firefighting Procedures:
Firefighters should wear full protective equipment and NIOSH approved
self-contained breathing apparatus.
Unusual Fire and Explosion Hazards: Thermal decomposition may produce
toxic
gases.
Page 1 of 4
MATERIAL SAFETY DATA SHEET
Revised: 15/05/08
ETHEPHON Replaces: 10/07/07
CAROLINA BIOLOGICAL Printed: 20/05/08


6. SPILL OR LEAK PROCEDURES
Steps to be Taken in Case Material is Released or Spilled:
Ventilate area of spill. Eliminate all sources of ignition.
Remove all non-essential personnel from area. Clean-up personnel should
wear proper protective equipment and clothing. Absorb material with
suitable absorbent and containerize for disposal.
7. SPECIAL PRECAUTIONS
Precautions to be Taken in Handling or Storing: Store tightly closed in
a
cool, dry, well ventilated area suitable for storage of acids.
8. SPECIAL PROTECTION INFORMATION
Respiratory Protection(Specify Type):
None needed under normal conditions of use with adequate ventilation.
NIOSH approved equipment should be worn if PELs are exceeded.
Ventilation:
Local Exhaust: Yes
Mechanical(General): Yes
Special: No
Other: No
Protective Gloves: Rubber
Eye Protection:
Splash proof chemical safety goggles should be worn at all times.
Other Protective Clothing or Equipment:
Lab apron, eye wash, and safety shower.
9. PHYSICAL DATA
Molecular Weight: 144.5
Melting Point: 70-72 C (solid)
Boiling Point: >100
Vapor Pressure: 13.7 mm Hg
Vapor Density(Air=1): <1
Specific Gravity(H2O=1): 1.106 @ 20C
Percent Volatile by Volume: No information available
Evaporation Rate(BuAc=1): <1
Solubility in Water: 100%
Appearance and Odor: Colorless, odorless solution
10. REACTIVITY DATA
Stability: Stable
Conditions to Avoid: No data available
Incompatibility(Materials to Avoid): Bases and strong oxidizing agents
Hazardous Decomposition Products: Fire conditions may produce HCl
fumes.
Hazardous Polymerization: Will not occur
11. TOXICITY DATA
Toxicity Data: orl-rat LD50: 3400mg/kg
ihl-rat LC50: mg/m3/4H
Effects of Overexposure:
Acute: See section 3
Chronic: No chronic effects data found
Conditions Aggravated by Overexposure: No information found
Target Organs: Digestive tract

Page 2 of 4
MATERIAL SAFETY DATA SHEET
Revised: 15/05/08
ETHEPHON Replaces: 10/07/07
CAROLINA BIOLOGICAL Printed: 20/05/08


Primary Route(s) of Entry: Inhalation, ingestion
12. ECOLOGICAL DATA
EPA Waste Numbers: None
13. DISPOSAL INFORMATION
Waste Disposal Methods: Dispose in accordance with all applicable
Federal,
State and Local regulations.
Always contact a permitted waste disposer (TSD) to assure compliance.
14. TRANSPORT INFORMATION
Toxic Liquid, Organic, n.o.s., 2-Chloroethyl Phosphonic Acid Solution,
UN2810,
II, Toxic, 6.1
15. REGULATORY INFORMATION
EPA TSCA Status: On TSCA Inventory
Hazard Category for SARA Section 311/312 Reporting: Acute

SARA Sec. 313
SARA EHS Chemicals CERCLA RCRA
Product or Sec. 302 Name Chemical Sec. 103 Sec.
Components TPQ List Category RQ lbs.
261.33
________________________________________________________________________
_
Chloroethyl-
Phosphoric acid No No No No No
16. ADDITIONAL INFORMATION
The information provided in this Material Safety Data Sheet represents a
compilation of data drawn directly from various sources available to us.
Carolina Biological Supply makes no representation or guarantee as to
the suitability of this information to a particular application of the
substance covered in the Material Safety Data Sheet. Any employer must
carefully assess the applicability of any information contained herein
in regards to the particular use to which the employer puts the
material.
Glossary
ACGIH.......American Conference of Governmental Industrial Hygienists
CAS Number..Chemical Abstracts Service Number
CERCLA......Comprehensive Environmental Response, Compensation, and
Liability Act
DOT.........U.S. Department of Transportation
IARC........International Agency of Research on Cancer
mppcf......million particles per cubic foot
N/A.........Not Available
NTP.........National Toxicology Program
OSHA........Occupational Safety and Health Administration
PEL.........Permissible Exposure Limit
ppm.........parts per million
RCRA........Resource Conservation and Recovery Act
SARA........Superfund Amendments and Reauthorization Act
TLV.........Threshold Limit Value
Page 3 of 4
MATERIAL SAFETY DATA SHEET
Revised: 15/05/08
ETHEPHON Replaces: 10/07/07
CAROLINA BIOLOGICAL Printed: 20/05/08


TSCA........Toxic Substances Control Act




Page 4 of 4

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