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7659-86-1

File Name: arkema-inc_com---876.asp
                                                      2-ETHYLHEXYL MERCAPTOACETATE
Material Safety Data Sheet
Arkema Inc.
1 PRODUCT AND COMPANY IDENTIFICATION

EMERGENCY PHONE NUMBERS:
Thio and Fine Chemicals
Chemtrec: (800) 424-9300 (24hrs) or (703) 527-3887
Arkema Inc.
Medical: Rocky Mountain Poison Control Center
2000 Market Street
(866) 767-5089 (24Hrs)
Philadelphia, PA 19103
Information Telephone Numbers Phone Number Available Hrs
Customer Service 1-800-628-4453 8:30 to 5:30 EST

Product Name 2-ETHYLHEXYL MERCAPTOACETATE
Product Synonym(s) 2-EHMA

Chemical Family Alkyl Mercaptan
Chemical Formula C10H20O2S
Chemical Name Acetic acid, mercapto-, 2-ethylhexyl ester
EPA Reg Num
Product Use


2 COMPOSITION / INFORMATION ON INGREDIENTS

Ingredient Name CAS RegistryNumber Typical % OSHA
2-Ethylhexyl mercaptoacetate 7659-86-1 >99 Y
The substance(s) marked with a "Y" in the OSHA column, are identified as hazardous chemicals according to the
criteria of the OSHA Hazard Communication Standard (29 CFR 1910.1200)

This material is classified as hazardous under Federal OSHA regulation.

The components of this product are all on the TSCA Inventory list.


3 HAZARDS IDENTIFICATION

Emergency Overview
Clear water-white liquid, faint fruity odor

WARNING!
HARMFUL IF SWALLOWED.
MAY CAUSE ALLERGIC SKIN REACTION.
MAY CAUSE CENTRAL NERVOUS SYSTEM EFFECTS

Potential Health Effects

Inhalation and skin contact are expected to be the primary routes of occupational exposure to this material. Based on
single exposure animal tests, it is considered to be moderately toxic if swallowed, no more than slightly toxic if
absorbed through skin or inhaled, non-irritating to eyes and slightly irritating to skin. Repeated exposure may cause an
allergic skin reaction. Exposure of workers resulted in headaches, dizziness, fatigue, weariness and gastrointestinal
symptoms. High vapor concentrations may be irritating to the eyes and respiratory tract, and may result in central
nervous system (CNS) effects such as nausea, drowsiness and, in severe exposures, loss of consciousness.



4 FIRST AID MEASURES



Product Code: 000306 Page 1
Revision: 10 Issued: 14 DEC 2007 of 6
2-ETHYLHEXYL MERCAPTOACETATE
Material Safety Data Sheet
Arkema Inc.

4 FIRST AID MEASURES

IF IN EYES, immediately flush with plenty of water for at least 15 minutes. Get medical attention immediately.

IF ON SKIN, immediately wash with soap and plenty of water. Remove contaminated clothing and shoes.
Get medical attention if symptoms occur. Wash clothing before reuse. Thoroughly clean shoes before reuse.

IF SWALLOWED, induce vomiting immediately as directed by medical personnel. Get medical attention.
Call a Poison Control Center. NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON.

IF INHALED, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give
oxygen. Get medical attention.


5 FIRE FIGHTING MEASURES

Fire and Explosive Properties
Auto-Ignition Temperature NE
Flash Point 254.8 F (124 C) Flash Point Method PMCC
Flammable Limits- Upper NE
NE
Lower
Extinguishing Media
Use water spray, carbon dioxide, foam or dry chemical.

Fire Fighting Instructions
Use water spray. A solid stream of water can cause frothing and spattering. Fire fighters and others who may
be exposed to products of combustion should wear full fire fighting turn out gear (full Bunker Gear) and self-
contained breathing apparatus (pressure demand NIOSH approved or equivalent). Fire fighting equipment
should be thoroughly decontaminated after use.

Fire and Explosion Hazards
When burned, the following hazardous products of combustion can occur:
Hydrogen sulfide
Sulfur oxides
Oxides of carbon


6 ACCIDENTAL RELEASE MEASURES

In Case of Spill or Leak
Contain spill. Stop leak at source if this can be done safely. Ventilate area. Nonessential personnel should
leave the area until cleanup is completed. Pump liquid into DOT-approved drums for disposal. Absorb
remaining liquid onto inert absorbent and place in DOT approved drums for disposal. Wash area with water.
Keep concentrate and wash water from entering sewers or waterways. Consult a regulatory specialist to
determine appropriate state or local reporting requirements, for assistance in waste characterization and/or
hazardous waste disposal and other requirements listed in pertinent environmental permits.


7 HANDLING AND STORAGE




Product Code: 000306 Page 2
Revision: 10 Issued: 14 DEC 2007 of 6
2-ETHYLHEXYL MERCAPTOACETATE
Material Safety Data Sheet
Arkema Inc.

7 HANDLING AND STORAGE

Handling
Do not taste or swallow.
Avoid prolonged or repeated contact with skin.
Keep container closed.
Use only with adequate ventilation.


Emptied container retains vapor and product residue. Observe all labeled safeguards until container is
cleaned, reconditioned or destroyed.

Storage
Keep container closed. Store in a cool, dry, well ventilated area. Keep away from food and drink. Isolate
from incompatible materials (see Section 10).


8 EXPOSURE CONTROLS / PERSONAL PROTECTION

Engineering Controls
Investigate engineering techniques to reduce exposures. Provide ventilation if necessary to minimize
exposures. If practical, use local mechanical exhaust ventilation at sources of air contamination such as
open process equipment.

Eye / Face Protection
Use good industrial practice to avoid eye contact.

Skin Protection
Wear appropriate chemical resistant protective clothing and chemical resistant gloves to prevent skin
contact. Consult glove manufacturer to determine appropriate type glove material for given application.
Wear face shield and chemical resistant clothing such as a rubber apron when splashing may occur. Rinse
contaminated skin promptly. Wash contaminated clothing and clean protective equipment before reuse.
Wash skin thoroughly after handling.

Respiratory Protection
Where airborne exposure is likely, use NIOSH approved respiratory protection equipment appropriate to the
material and/or its components. If exposures cannot be kept at a minimum with engineering controls, consult
respirator manufacturer to determine appropriate type equipment for a given application. Observe respirator
use limitations specified by NIOSH or the manufacturer. For emergency and other conditions where there
may be a potential for significant exposure, use an approved full face positive-pressure, self-contained
breathing apparatus or positive-pressure airline with auxiliary self-contained air supply. Respiratory
protection programs must comply with 29 CFR 搂 1910.134.


Airborne Exposure Guidelines for Ingredients

The components of this product have no established Airborne Exposure Guidelines
-Only those components with exposure limits are printed in this section.
-Skin contact limits designated with a "Y" above have skin contact effect. Air sampling alone is insufficient to accurately quantitate
exposure. Measures to prevent significant cutaneous absorption may be required.
-ACGIH Sensitizer designator with a value of "Y" above means that exposure to this material may cause allergic reactions.
-WEEL-AIHA Sensitizer designator with a value of "Y" above means that exposure to this material may cause allergic skin reactions.




Product Code: 000306 Page 3
Revision: 10 Issued: 14 DEC 2007 of 6
2-ETHYLHEXYL MERCAPTOACETATE
Material Safety Data Sheet
Arkema Inc.

9 PHYSICAL AND CHEMICAL PROPERTIES

Clear water-white liquid, faint fruity odor
Appearance/Odor
pH NE
Specific Gravity 0.974 @ 20 C (68 F)
Vapor Pressure 0.01 mbar (1 Pa) @ 20 C
Vapor Density NA
Melting Point NA
Freezing Point <-50C (223.15 K)
Boiling Point 106 C(222.8 F) @ 5.5 mbar
Solubility In Water 4.73 mg/l @ 20 C
Percent Volatile <1%
Viscosity 3.19 mPa.s @ 20 C
Molecular Weight 204.37
Other Physical Data log Pow = 2.43
refractive index: 1.461


10 STABILITY AND REACTIVITY


Stability
This material is chemically stable under normal and anticipated storage and handling conditions.

Incompatibility
Avoid contact with strong acids and strong oxidizers.
Hazardous Decomposition Products
Decomposes on heating and generates toxic oxides of sulfur and hydrogen sulfide.


11 TOXICOLOGICAL INFORMATION

Toxicological Information
Data on this material and/or its components are summarized below.

Single exposure (acute) studies indicate:
Oral - Moderately Toxic to Rats (LD50 303 mg/kg)
Dermal - No More than Slightly Toxic to Rats (LD50 >2,000 mg/kg)
Inhalation - No More than Slightly Toxic to Rats (6-hr LC0 0.51 mg/l)
Eye Irritation - Non-irritating to Rabbits
Skin Irritation - Slightly Irritating to Rabbits


Exposure of workers resulted in headaches, dizziness, fatigue, weariness and gastrointestinal symptoms. Skin
allergy was observed in guinea pigs following repeated exposure. Slight liver, kidney and blood effects were
noted in one study following repeated dietary administration to rats. Adverse effects were observed late in
pregnancy in rats following repeated oral exposure. Generally, no genetic changes were observed in tests
using bacteria, animal cells or animals.


12 ECOLOGICAL INFORMATION




Product Code: 000306 Page 4
Revision: 10 Issued: 14 DEC 2007 of 6
2-ETHYLHEXYL MERCAPTOACETATE
Material Safety Data Sheet
Arkema Inc.

12 ECOLOGICAL INFORMATION

Ecotoxicological Information
Data on this material and/or its components are summarized below.

This material is moderately toxic to golden orfe (48-hr LC50 9 mg/l) and bacteria (16-hr EC50 2.7 mg/l). It is
highly toxic to Daphnia magna (48-hr EC50 0.38 mg/l).
Chemical Fate Information
Data on this material and/or its components are summarized below.

This material is not readily biodegradable (22% after 28-days) and is slightly bioaccumulable (log Pow 2.43).
The respiration inhibition test on activated sludge gave a 3-hr EC50 of 2,400 mg/l. This material hydrolyzes in
water under acidic, basic, and neutral conditions.

13 DISPOSAL CONSIDERATIONS

Waste Disposal
Incineration is the recommended method for disposal observing all local, state and federal regulations. Note:
Chemical additions to, processing of, or otherwise altering this material may make this waste management
information incomplete, inaccurate, or otherwise inappropriate. Furthermore, state and local waste disposal
requirements may be more restrictive or otherwise different from federal laws and regulations.

14 TRANSPORT INFORMATION

DOT Name Domestic Shipments: Not Regulated
DOT Technical Name
DOT Hazard Class
UN Number
DOT Packing Group PG
RQ
Marine Pollutant yes
International Shipments:
DOT Special Information
UN 3082, Environmentally Hazardous Substance, Liquid, NOS (2-Ethylhexyl
mercaptoacetate), 9, PG III, Marine Pollutant


15 REGULATORY INFORMATION

Hazard Categories Under Criteria of SARA Title III Rules (40 CFR Part 370)
Immediate (Acute) Health Y Fire N
Reactive N
Delayed (Chronic) Health N
Sudden Release of Pressure N
The components of this product are all on the TSCA Inventory list.


Ingredient Related Regulatory Information:
CERCLA RQ SARA TPQ
SARA Reportable Quantities
2-Ethylhexyl mercaptoacetate NE


16 OTHER INFORMATION


Product Code: 000306 Page 5
Revision: 10 Issued: 14 DEC 2007 of 6
2-ETHYLHEXYL MERCAPTOACETATE
Material Safety Data Sheet
Arkema Inc.
Revision Information

Revision Number 10
14 DEC 2007
Revision Date
Supercedes Revision Dated 18-SEP-2007
Revision Summary
Revised section 14

Key
NE= Not Established NA= Not Applicable (R) = Registered Trademark




Arkema Inc. believes that the information and recommendations contained herein (including data and
statements) are accurate as of the date hereof. NO WARRANTY OF FITNESS FOR ANY PARTICULAR
PURPOSE, WARRANTY OF MERCHANTABILITY, OR ANY OTHER WARRANTY, EXPRESSED OR
IMPLIED, IS MADE CONCERNING THE INFORMATION PROVIDED HEREIN. The information provided
herein relates only to the specific product designated and may not be valid where such product is used in
combination with any other materials or in any process. Further, since the conditions and methods of use are
beyond the control of Arkema Inc., Arkema Inc. expressly disclaims any and all liability as to any results
obtained or arising from any use of the product or reliance on such information.




Product Code: 000306 Page 6
Revision: 10 Issued: 14 DEC 2007 of 6

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